- Linux-kselftest-mirror - lists.linaro.org

[PATCH v3 3/3] tests: add close_range() tests

by Christian Brauner

This adds basic tests for the new close_range() syscall. - test that no invalid flags can be passed - test that a range of file descriptors is correctly closed - test that a range of file descriptors is correctly closed if there there are already closed file descriptors in the range - test that max_fd is correctly capped to the current fdtable maximum Signed-off-by: Christian Brauner <christian(a)brauner.io> Cc: Arnd Bergmann <arnd(a)arndb.de> Cc: Jann Horn <jannh(a)google.com> Cc: David Howells <dhowells(a)redhat.com> Cc: Dmitry V. Levin <ldv(a)altlinux.org> Cc: Oleg Nesterov <oleg(a)redhat.com> Cc: Linus Torvalds <torvalds(a)linux-foundation.org> Cc: Florian Weimer <fweimer(a)redhat.com> Cc: Shuah Khan <shuah(a)kernel.org> Cc: linux-api(a)vger.kernel.org Cc: linux-kselftest(a)vger.kernel.org --- v1: unchanged v2: - Christian Brauner <christian(a)brauner.io>: - verify that close_range() correctly closes a single file descriptor v3: - Christian Brauner <christian(a)brauner.io>: - add missing Cc for Shuah - add missing Cc for linux-kselftest --- tools/testing/selftests/Makefile | 1 + tools/testing/selftests/core/.gitignore | 1 + tools/testing/selftests/core/Makefile | 6 + .../testing/selftests/core/close_range_test.c | 142 ++++++++++++++++++ 4 files changed, 150 insertions(+) create mode 100644 tools/testing/selftests/core/.gitignore create mode 100644 tools/testing/selftests/core/Makefile create mode 100644 tools/testing/selftests/core/close_range_test.c diff --git a/tools/testing/selftests/Makefile b/tools/testing/selftests/Makefile index 9781ca79794a..06e57fabbff9 100644 --- a/tools/testing/selftests/Makefile +++ b/tools/testing/selftests/Makefile @@ -4,6 +4,7 @@ TARGETS += bpf TARGETS += breakpoints TARGETS += capabilities TARGETS += cgroup +TARGETS += core TARGETS += cpufreq TARGETS += cpu-hotplug TARGETS += drivers/dma-buf diff --git a/tools/testing/selftests/core/.gitignore b/tools/testing/selftests/core/.gitignore new file mode 100644 index 000000000000..6e6712ce5817 --- /dev/null +++ b/tools/testing/selftests/core/.gitignore @@ -0,0 +1 @@ +close_range_test diff --git a/tools/testing/selftests/core/Makefile b/tools/testing/selftests/core/Makefile new file mode 100644 index 000000000000..de3ae68aa345 --- /dev/null +++ b/tools/testing/selftests/core/Makefile @@ -0,0 +1,6 @@ +CFLAGS += -g -I../../../../usr/include/ -I../../../../include + +TEST_GEN_PROGS := close_range_test + +include ../lib.mk + diff --git a/tools/testing/selftests/core/close_range_test.c b/tools/testing/selftests/core/close_range_test.c new file mode 100644 index 000000000000..d6e6079d3d53 --- /dev/null +++ b/tools/testing/selftests/core/close_range_test.c @@ -0,0 +1,142 @@ +// SPDX-License-Identifier: GPL-2.0 + +#define _GNU_SOURCE +#include <errno.h> +#include <fcntl.h> +#include <linux/kernel.h> +#include <limits.h> +#include <stdbool.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <syscall.h> +#include <unistd.h> + +#include "../kselftest.h" + +static inline int sys_close_range(unsigned int fd, unsigned int max_fd, + unsigned int flags) +{ + return syscall(__NR_close_range, fd, max_fd, flags); +} + +#ifndef ARRAY_SIZE +#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) +#endif + +int main(int argc, char **argv) +{ + const char *test_name = "close_range"; + int i, ret; + int open_fds[101]; + int fd_max, fd_mid, fd_min; + + ksft_set_plan(9); + + for (i = 0; i < ARRAY_SIZE(open_fds); i++) { + int fd; + + fd = open("/dev/null", O_RDONLY | O_CLOEXEC); + if (fd < 0) { + if (errno == ENOENT) + ksft_exit_skip( + "%s test: skipping test since /dev/null does not exist\n", + test_name); + + ksft_exit_fail_msg( + "%s test: %s - failed to open /dev/null\n", + strerror(errno), test_name); + } + + open_fds[i] = fd; + } + + fd_min = open_fds[0]; + fd_max = open_fds[99]; + + ret = sys_close_range(fd_min, fd_max, 1); + if (!ret) + ksft_exit_fail_msg( + "%s test: managed to pass invalid flag value\n", + test_name); + ksft_test_result_pass("do not allow invalid flag values for close_range()\n"); + + fd_mid = open_fds[50]; + ret = sys_close_range(fd_min, fd_mid, 0); + if (ret < 0) + ksft_exit_fail_msg( + "%s test: Failed to close range of file descriptors from %d to %d\n", + test_name, fd_min, fd_mid); + ksft_test_result_pass("close_range() from %d to %d\n", fd_min, fd_mid); + + for (i = 0; i <= 50; i++) { + ret = fcntl(open_fds[i], F_GETFL); + if (ret >= 0) + ksft_exit_fail_msg( + "%s test: Failed to close range of file descriptors from %d to %d\n", + test_name, fd_min, fd_mid); + } + ksft_test_result_pass("fcntl() verify closed range from %d to %d\n", fd_min, fd_mid); + + /* create a couple of gaps */ + close(57); + close(78); + close(81); + close(82); + close(84); + close(90); + + fd_mid = open_fds[51]; + /* Choose slightly lower limit and leave some fds for a later test */ + fd_max = open_fds[92]; + ret = sys_close_range(fd_mid, fd_max, 0); + if (ret < 0) + ksft_exit_fail_msg( + "%s test: Failed to close range of file descriptors from 51 to 100\n", + test_name); + ksft_test_result_pass("close_range() from %d to %d\n", fd_mid, fd_max); + + for (i = 51; i <= 92; i++) { + ret = fcntl(open_fds[i], F_GETFL); + if (ret >= 0) + ksft_exit_fail_msg( + "%s test: Failed to close range of file descriptors from 51 to 100\n", + test_name); + } + ksft_test_result_pass("fcntl() verify closed range from %d to %d\n", fd_mid, fd_max); + + fd_mid = open_fds[93]; + fd_max = open_fds[99]; + /* test that the kernel caps and still closes all fds */ + ret = sys_close_range(fd_mid, UINT_MAX, 0); + if (ret < 0) + ksft_exit_fail_msg( + "%s test: Failed to close range of file descriptors from 51 to 100\n", + test_name); + ksft_test_result_pass("close_range() from %d to %d\n", fd_mid, fd_max); + + for (i = 93; i < 100; i++) { + ret = fcntl(open_fds[i], F_GETFL); + if (ret >= 0) + ksft_exit_fail_msg( + "%s test: Failed to close range of file descriptors from 51 to 100\n", + test_name); + } + ksft_test_result_pass("fcntl() verify closed range from %d to %d\n", fd_mid, fd_max); + + ret = sys_close_range(open_fds[100], open_fds[100], 0); + if (ret < 0) + ksft_exit_fail_msg( + "%s test: Failed to close single file descriptor\n", + test_name); + ksft_test_result_pass("close_range() closed single file descriptor\n"); + + ret = fcntl(open_fds[100], F_GETFL); + if (ret >= 0) + ksft_exit_fail_msg( + "%s test: Failed to close single file descriptor\n", + test_name); + ksft_test_result_pass("fcntl() verify closed single file descriptor\n"); + + return ksft_exit_pass(); +} -- 2.21.0

6 years, 1 month

2
1
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[PATCH 10/10] docs: fix broken documentation links

by Mauro Carvalho Chehab

Mostly due to x86 and acpi conversion, several documentation links are still pointing to the old file. Fix them. Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung(a)kernel.org> --- Documentation/acpi/dsd/leds.txt | 2 +- Documentation/admin-guide/kernel-parameters.rst | 6 +++--- Documentation/admin-guide/kernel-parameters.txt | 16 ++++++++-------- Documentation/admin-guide/ras.rst | 2 +- .../devicetree/bindings/net/fsl-enetc.txt | 7 +++---- .../bindings/pci/amlogic,meson-pcie.txt | 2 +- .../bindings/regulator/qcom,rpmh-regulator.txt | 2 +- Documentation/devicetree/booting-without-of.txt | 2 +- Documentation/driver-api/gpio/board.rst | 2 +- Documentation/driver-api/gpio/consumer.rst | 2 +- .../firmware-guide/acpi/enumeration.rst | 2 +- .../firmware-guide/acpi/method-tracing.rst | 2 +- Documentation/i2c/instantiating-devices | 2 +- Documentation/sysctl/kernel.txt | 4 ++-- .../translations/it_IT/process/4.Coding.rst | 2 +- .../translations/it_IT/process/howto.rst | 2 +- .../it_IT/process/stable-kernel-rules.rst | 4 ++-- .../translations/zh_CN/process/4.Coding.rst | 2 +- Documentation/x86/x86_64/5level-paging.rst | 2 +- Documentation/x86/x86_64/boot-options.rst | 4 ++-- .../x86/x86_64/fake-numa-for-cpusets.rst | 2 +- MAINTAINERS | 6 +++--- arch/arm/Kconfig | 2 +- arch/arm64/kernel/kexec_image.c | 2 +- arch/powerpc/Kconfig | 2 +- arch/x86/Kconfig | 16 ++++++++-------- arch/x86/Kconfig.debug | 2 +- arch/x86/boot/header.S | 2 +- arch/x86/entry/entry_64.S | 2 +- arch/x86/include/asm/bootparam_utils.h | 2 +- arch/x86/include/asm/page_64_types.h | 2 +- arch/x86/include/asm/pgtable_64_types.h | 2 +- arch/x86/kernel/cpu/microcode/amd.c | 2 +- arch/x86/kernel/kexec-bzimage64.c | 2 +- arch/x86/kernel/pci-dma.c | 2 +- arch/x86/mm/tlb.c | 2 +- arch/x86/platform/pvh/enlighten.c | 2 +- drivers/acpi/Kconfig | 10 +++++----- drivers/net/ethernet/faraday/ftgmac100.c | 2 +- .../fieldbus/Documentation/fieldbus_dev.txt | 4 ++-- drivers/vhost/vhost.c | 2 +- include/acpi/acpi_drivers.h | 2 +- include/linux/fs_context.h | 2 +- include/linux/lsm_hooks.h | 2 +- mm/Kconfig | 2 +- security/Kconfig | 2 +- tools/include/linux/err.h | 2 +- tools/objtool/Documentation/stack-validation.txt | 4 ++-- tools/testing/selftests/x86/protection_keys.c | 2 +- 49 files changed, 78 insertions(+), 79 deletions(-) diff --git a/Documentation/acpi/dsd/leds.txt b/Documentation/acpi/dsd/leds.txt index 81a63af42ed2..cc58b1a574c5 100644 --- a/Documentation/acpi/dsd/leds.txt +++ b/Documentation/acpi/dsd/leds.txt @@ -96,4 +96,4 @@ where <URL:http://www.uefi.org/sites/default/files/resources/_DSD-hierarchical-dat…>, referenced 2019-02-21. -[7] Documentation/acpi/dsd/data-node-reference.txt +[7] Documentation/firmware-guide/acpi/dsd/data-node-references.rst diff --git a/Documentation/admin-guide/kernel-parameters.rst b/Documentation/admin-guide/kernel-parameters.rst index 0124980dca2d..8d3273e32eb1 100644 --- a/Documentation/admin-guide/kernel-parameters.rst +++ b/Documentation/admin-guide/kernel-parameters.rst @@ -167,7 +167,7 @@ parameter is applicable:: X86-32 X86-32, aka i386 architecture is enabled. X86-64 X86-64 architecture is enabled. More X86-64 boot options can be found in - Documentation/x86/x86_64/boot-options.txt . + Documentation/x86/x86_64/boot-options.rst. X86 Either 32-bit or 64-bit x86 (same as X86-32+X86-64) X86_UV SGI UV support is enabled. XEN Xen support is enabled @@ -181,10 +181,10 @@ In addition, the following text indicates that the option:: Parameters denoted with BOOT are actually interpreted by the boot loader, and have no meaning to the kernel directly. Do not modify the syntax of boot loader parameters without extreme -need or coordination with <Documentation/x86/boot.txt>. +need or coordination with <Documentation/x86/boot.rst>. There are also arch-specific kernel-parameters not documented here. -See for example <Documentation/x86/x86_64/boot-options.txt>. +See for example <Documentation/x86/x86_64/boot-options.rst>. Note that ALL kernel parameters listed below are CASE SENSITIVE, and that a trailing = on the name of any parameter states that that parameter will diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index 138f6664b2e2..bc5f202d42ec 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -53,7 +53,7 @@ ACPI_DEBUG_PRINT statements, e.g., ACPI_DEBUG_PRINT((ACPI_DB_INFO, ... The debug_level mask defaults to "info". See - Documentation/acpi/debug.txt for more information about + Documentation/firmware-guide/acpi/debug.rst for more information about debug layers and levels. Enable processor driver info messages: @@ -963,7 +963,7 @@ for details. nompx [X86] Disables Intel Memory Protection Extensions. - See Documentation/x86/intel_mpx.txt for more + See Documentation/x86/intel_mpx.rst for more information about the feature. nopku [X86] Disable Memory Protection Keys CPU feature found @@ -1189,7 +1189,7 @@ that is to be dynamically loaded by Linux. If there are multiple variables with the same name but with different vendor GUIDs, all of them will be loaded. See - Documentation/acpi/ssdt-overlays.txt for details. + Documentation/admin-guide/acpi/ssdt-overlays.rst for details. eisa_irq_edge= [PARISC,HW] @@ -2383,7 +2383,7 @@ mce [X86-32] Machine Check Exception - mce=option [X86-64] See Documentation/x86/x86_64/boot-options.txt + mce=option [X86-64] See Documentation/x86/x86_64/boot-options.rst md= [HW] RAID subsystems devices and level See Documentation/admin-guide/md.rst. @@ -2439,7 +2439,7 @@ set according to the CONFIG_MEMORY_HOTPLUG_DEFAULT_ONLINE kernel config option. - See Documentation/memory-hotplug.txt. + See Documentation/admin-guide/mm/memory-hotplug.rst. memmap=exactmap [KNL,X86] Enable setting of an exact E820 memory map, as specified by the user. @@ -2528,7 +2528,7 @@ mem_encrypt=on: Activate SME mem_encrypt=off: Do not activate SME - Refer to Documentation/x86/amd-memory-encryption.txt + Refer to Documentation/x86/amd-memory-encryption.rst for details on when memory encryption can be activated. mem_sleep_default= [SUSPEND] Default system suspend mode: @@ -3528,7 +3528,7 @@ See Documentation/blockdev/paride.txt. pirq= [SMP,APIC] Manual mp-table setup - See Documentation/x86/i386/IO-APIC.txt. + See Documentation/x86/i386/IO-APIC.rst. plip= [PPT,NET] Parallel port network link Format: { parport<nr> | timid | 0 } @@ -5054,7 +5054,7 @@ Can be used multiple times for multiple devices. vga= [BOOT,X86-32] Select a particular video mode - See Documentation/x86/boot.txt and + See Documentation/x86/boot.rst and Documentation/svga.txt. Use vga=ask for menu. This is actually a boot loader parameter; the value is diff --git a/Documentation/admin-guide/ras.rst b/Documentation/admin-guide/ras.rst index c7495e42e6f4..2b20f5f7380d 100644 --- a/Documentation/admin-guide/ras.rst +++ b/Documentation/admin-guide/ras.rst @@ -199,7 +199,7 @@ Architecture (MCA)\ [#f3]_. mode). .. [#f3] For more details about the Machine Check Architecture (MCA), - please read Documentation/x86/x86_64/machinecheck at the Kernel tree. + please read Documentation/x86/x86_64/machinecheck.rst at the Kernel tree. EDAC - Error Detection And Correction ************************************* diff --git a/Documentation/devicetree/bindings/net/fsl-enetc.txt b/Documentation/devicetree/bindings/net/fsl-enetc.txt index c812e25ae90f..25fc687419db 100644 --- a/Documentation/devicetree/bindings/net/fsl-enetc.txt +++ b/Documentation/devicetree/bindings/net/fsl-enetc.txt @@ -16,8 +16,8 @@ Required properties: In this case, the ENETC node should include a "mdio" sub-node that in turn should contain the "ethernet-phy" node describing the external phy. Below properties are required, their bindings -already defined in ethernet.txt or phy.txt, under -Documentation/devicetree/bindings/net/*. +already defined in Documentation/devicetree/bindings/net/ethernet.txt or +Documentation/devicetree/bindings/net/phy.txt. Required: @@ -51,8 +51,7 @@ Example: connection: In this case, the ENETC port node defines a fixed link connection, -as specified by "fixed-link.txt", under -Documentation/devicetree/bindings/net/*. +as specified by Documentation/devicetree/bindings/net/fixed-link.txt. Required: diff --git a/Documentation/devicetree/bindings/pci/amlogic,meson-pcie.txt b/Documentation/devicetree/bindings/pci/amlogic,meson-pcie.txt index 12b18f82d441..efa2c8b9b85a 100644 --- a/Documentation/devicetree/bindings/pci/amlogic,meson-pcie.txt +++ b/Documentation/devicetree/bindings/pci/amlogic,meson-pcie.txt @@ -3,7 +3,7 @@ Amlogic Meson AXG DWC PCIE SoC controller Amlogic Meson PCIe host controller is based on the Synopsys DesignWare PCI core. It shares common functions with the PCIe DesignWare core driver and inherits common properties defined in -Documentation/devicetree/bindings/pci/designware-pci.txt. +Documentation/devicetree/bindings/pci/designware-pcie.txt. Additional properties are described here: diff --git a/Documentation/devicetree/bindings/regulator/qcom,rpmh-regulator.txt b/Documentation/devicetree/bindings/regulator/qcom,rpmh-regulator.txt index 7ef2dbe48e8a..14d2eee96b3d 100644 --- a/Documentation/devicetree/bindings/regulator/qcom,rpmh-regulator.txt +++ b/Documentation/devicetree/bindings/regulator/qcom,rpmh-regulator.txt @@ -97,7 +97,7 @@ Second Level Nodes - Regulators sent for this regulator including those which are for a strictly lower power state. -Other properties defined in Documentation/devicetree/bindings/regulator.txt +Other properties defined in Documentation/devicetree/bindings/regulator/regulator.txt may also be used. regulator-initial-mode and regulator-allowed-modes may be specified for VRM regulators using mode values from include/dt-bindings/regulator/qcom,rpmh-regulator.h. regulator-allow-bypass diff --git a/Documentation/devicetree/booting-without-of.txt b/Documentation/devicetree/booting-without-of.txt index e86bd2f64117..60f8640f2b2f 100644 --- a/Documentation/devicetree/booting-without-of.txt +++ b/Documentation/devicetree/booting-without-of.txt @@ -277,7 +277,7 @@ it with special cases. the decompressor (the real mode entry point goes to the same 32bit entry point once it switched into protected mode). That entry point supports one calling convention which is documented in - Documentation/x86/boot.txt + Documentation/x86/boot.rst The physical pointer to the device-tree block (defined in chapter II) is passed via setup_data which requires at least boot protocol 2.09. The type filed is defined as diff --git a/Documentation/driver-api/gpio/board.rst b/Documentation/driver-api/gpio/board.rst index b37f3f7b8926..ce91518bf9f4 100644 --- a/Documentation/driver-api/gpio/board.rst +++ b/Documentation/driver-api/gpio/board.rst @@ -101,7 +101,7 @@ with the help of _DSD (Device Specific Data), introduced in ACPI 5.1:: } For more information about the ACPI GPIO bindings see -Documentation/acpi/gpio-properties.txt. +Documentation/firmware-guide/acpi/gpio-properties.rst. Platform Data ------------- diff --git a/Documentation/driver-api/gpio/consumer.rst b/Documentation/driver-api/gpio/consumer.rst index 5e4d8aa68913..fdecb6d711db 100644 --- a/Documentation/driver-api/gpio/consumer.rst +++ b/Documentation/driver-api/gpio/consumer.rst @@ -437,7 +437,7 @@ case, it will be handled by the GPIO subsystem automatically. However, if the _DSD is not present, the mappings between GpioIo()/GpioInt() resources and GPIO connection IDs need to be provided by device drivers. -For details refer to Documentation/acpi/gpio-properties.txt +For details refer to Documentation/firmware-guide/acpi/gpio-properties.rst Interacting With the Legacy GPIO Subsystem diff --git a/Documentation/firmware-guide/acpi/enumeration.rst b/Documentation/firmware-guide/acpi/enumeration.rst index 6b32b7be8c85..65f5bb5725ac 100644 --- a/Documentation/firmware-guide/acpi/enumeration.rst +++ b/Documentation/firmware-guide/acpi/enumeration.rst @@ -339,7 +339,7 @@ a code like this:: There are also devm_* versions of these functions which release the descriptors once the device is released. -See Documentation/acpi/gpio-properties.txt for more information about the +See Documentation/firmware-guide/acpi/gpio-properties.rst for more information about the _DSD binding related to GPIOs. MFD devices diff --git a/Documentation/firmware-guide/acpi/method-tracing.rst b/Documentation/firmware-guide/acpi/method-tracing.rst index d0b077b73f5f..0aa7e2c5d32a 100644 --- a/Documentation/firmware-guide/acpi/method-tracing.rst +++ b/Documentation/firmware-guide/acpi/method-tracing.rst @@ -68,7 +68,7 @@ c. Filter out the debug layer/level matched logs when the specified Where: 0xXXXXXXXX/0xYYYYYYYY - Refer to Documentation/acpi/debug.txt for possible debug layer/level + Refer to Documentation/firmware-guide/acpi/debug.rst for possible debug layer/level masking values. \PPPP.AAAA.TTTT.HHHH Full path of a control method that can be found in the ACPI namespace. diff --git a/Documentation/i2c/instantiating-devices b/Documentation/i2c/instantiating-devices index 0d85ac1935b7..5a3e2f331e8c 100644 --- a/Documentation/i2c/instantiating-devices +++ b/Documentation/i2c/instantiating-devices @@ -85,7 +85,7 @@ Method 1c: Declare the I2C devices via ACPI ------------------------------------------- ACPI can also describe I2C devices. There is special documentation for this -which is currently located at Documentation/acpi/enumeration.txt. +which is currently located at Documentation/firmware-guide/acpi/enumeration.rst. Method 2: Instantiate the devices explicitly diff --git a/Documentation/sysctl/kernel.txt b/Documentation/sysctl/kernel.txt index f0c86fbb3b48..92f7f34b021a 100644 --- a/Documentation/sysctl/kernel.txt +++ b/Documentation/sysctl/kernel.txt @@ -155,7 +155,7 @@ is 0x15 and the full version number is 0x234, this file will contain the value 340 = 0x154. See the type_of_loader and ext_loader_type fields in -Documentation/x86/boot.txt for additional information. +Documentation/x86/boot.rst for additional information. ============================================================== @@ -167,7 +167,7 @@ The complete bootloader version number. In the example above, this file will contain the value 564 = 0x234. See the type_of_loader and ext_loader_ver fields in -Documentation/x86/boot.txt for additional information. +Documentation/x86/boot.rst for additional information. ============================================================== diff --git a/Documentation/translations/it_IT/process/4.Coding.rst b/Documentation/translations/it_IT/process/4.Coding.rst index c05b89e616dd..1d23e951491f 100644 --- a/Documentation/translations/it_IT/process/4.Coding.rst +++ b/Documentation/translations/it_IT/process/4.Coding.rst @@ -370,7 +370,7 @@ con cosa stanno lavorando. Consultate: Documentation/ABI/README per avere una descrizione di come questi documenti devono essere impostati e quali informazioni devono essere fornite. -Il file :ref:`Documentation/translations/it_IT/admin-guide/kernel-parameters.rst <kernelparameters>` +Il file :ref:`Documentation/admin-guide/kernel-parameters.rst <kernelparameters>` descrive tutti i parametri di avvio del kernel. Ogni patch che aggiunga nuovi parametri dovrebbe aggiungere nuove voci a questo file. diff --git a/Documentation/translations/it_IT/process/howto.rst b/Documentation/translations/it_IT/process/howto.rst index 9903ac7c566b..44e6077730e8 100644 --- a/Documentation/translations/it_IT/process/howto.rst +++ b/Documentation/translations/it_IT/process/howto.rst @@ -131,7 +131,7 @@ Di seguito una lista di file che sono presenti nei sorgente del kernel e che "Linux kernel patch submission format" http://linux.yyz.us/patch-format.html - :ref:`Documentation/process/translations/it_IT/stable-api-nonsense.rst <it_stable_api_nonsense>` + :ref:`Documentation/translations/it_IT/process/stable-api-nonsense.rst <it_stable_api_nonsense>` Questo file descrive la motivazioni sottostanti la conscia decisione di non avere un API stabile all'interno del kernel, incluso cose come: diff --git a/Documentation/translations/it_IT/process/stable-kernel-rules.rst b/Documentation/translations/it_IT/process/stable-kernel-rules.rst index 48e88e5ad2c5..4f206cee31a7 100644 --- a/Documentation/translations/it_IT/process/stable-kernel-rules.rst +++ b/Documentation/translations/it_IT/process/stable-kernel-rules.rst @@ -33,7 +33,7 @@ Regole sul tipo di patch che vengono o non vengono accettate nei sorgenti - Non deve includere alcuna correzione "banale" (correzioni grammaticali, pulizia dagli spazi bianchi, eccetera). - Deve rispettare le regole scritte in - :ref:`Documentation/translation/it_IT/process/submitting-patches.rst <it_submittingpatches>` + :ref:`Documentation/translations/it_IT/process/submitting-patches.rst <it_submittingpatches>` - Questa patch o una equivalente deve esistere già nei sorgenti principali di Linux @@ -43,7 +43,7 @@ Procedura per sottomettere patch per i sorgenti -stable - Se la patch contiene modifiche a dei file nelle cartelle net/ o drivers/net, allora seguite le linee guida descritte in - :ref:`Documentation/translation/it_IT/networking/netdev-FAQ.rst <it_netdev-FAQ>`; + :ref:`Documentation/translations/it_IT/networking/netdev-FAQ.rst <it_netdev-FAQ>`; ma solo dopo aver verificato al seguente indirizzo che la patch non sia già in coda: https://patchwork.ozlabs.org/bundle/davem/stable/?series=&submitter=&state=… diff --git a/Documentation/translations/zh_CN/process/4.Coding.rst b/Documentation/translations/zh_CN/process/4.Coding.rst index 5301e9d55255..8bb777941394 100644 --- a/Documentation/translations/zh_CN/process/4.Coding.rst +++ b/Documentation/translations/zh_CN/process/4.Coding.rst @@ -241,7 +241,7 @@ scripts/coccinelle目录下已经打包了相当多的内核“语义补丁” 任何添加新用户空间界面的代码（包括新的sysfs或/proc文件）都应该包含该界面的文档，该文档使用户空间开发人员能够知道他们在使用什么。请参阅 -Documentation/abi/readme，了解如何格式化此文档以及需要提供哪些信息。 +Documentation/ABI/README，了解如何格式化此文档以及需要提供哪些信息。文件 :ref:`Documentation/admin-guide/kernel-parameters.rst <kernelparameters>` 描述了内核的所有引导时间参数。任何添加新参数的补丁都应该向该文件添加适当的 diff --git a/Documentation/x86/x86_64/5level-paging.rst b/Documentation/x86/x86_64/5level-paging.rst index ab88a4514163..44856417e6a5 100644 --- a/Documentation/x86/x86_64/5level-paging.rst +++ b/Documentation/x86/x86_64/5level-paging.rst @@ -20,7 +20,7 @@ physical address space. This "ought to be enough for anybody" ©. QEMU 2.9 and later support 5-level paging. Virtual memory layout for 5-level paging is described in -Documentation/x86/x86_64/mm.txt +Documentation/x86/x86_64/mm.rst Enabling 5-level paging diff --git a/Documentation/x86/x86_64/boot-options.rst b/Documentation/x86/x86_64/boot-options.rst index 2f69836b8445..6a4285a3c7a4 100644 --- a/Documentation/x86/x86_64/boot-options.rst +++ b/Documentation/x86/x86_64/boot-options.rst @@ -9,7 +9,7 @@ only the AMD64 specific ones are listed here. Machine check ============= -Please see Documentation/x86/x86_64/machinecheck for sysfs runtime tunables. +Please see Documentation/x86/x86_64/machinecheck.rst for sysfs runtime tunables. mce=off Disable machine check @@ -89,7 +89,7 @@ APICs Don't use the local APIC (alias for i386 compatibility) pirq=... - See Documentation/x86/i386/IO-APIC.txt + See Documentation/x86/i386/IO-APIC.rst noapictimer Don't set up the APIC timer diff --git a/Documentation/x86/x86_64/fake-numa-for-cpusets.rst b/Documentation/x86/x86_64/fake-numa-for-cpusets.rst index 74fbb78b3c67..04df57b9aa3f 100644 --- a/Documentation/x86/x86_64/fake-numa-for-cpusets.rst +++ b/Documentation/x86/x86_64/fake-numa-for-cpusets.rst @@ -18,7 +18,7 @@ For more information on the features of cpusets, see Documentation/cgroup-v1/cpusets.txt. There are a number of different configurations you can use for your needs. For more information on the numa=fake command line option and its various ways of -configuring fake nodes, see Documentation/x86/x86_64/boot-options.txt. +configuring fake nodes, see Documentation/x86/x86_64/boot-options.rst. For the purposes of this introduction, we'll assume a very primitive NUMA emulation setup of "numa=fake=4*512,". This will split our system memory into diff --git a/MAINTAINERS b/MAINTAINERS index 0c84bf76d165..47aa4f6defb9 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -3874,7 +3874,7 @@ F: Documentation/devicetree/bindings/hwmon/cirrus,lochnagar.txt F: Documentation/devicetree/bindings/pinctrl/cirrus,lochnagar.txt F: Documentation/devicetree/bindings/regulator/cirrus,lochnagar.txt F: Documentation/devicetree/bindings/sound/cirrus,lochnagar.txt -F: Documentation/hwmon/lochnagar +F: Documentation/hwmon/lochnagar.rst CISCO FCOE HBA DRIVER M: Satish Kharat <satishkh(a)cisco.com> @@ -11272,7 +11272,7 @@ NXP FXAS21002C DRIVER M: Rui Miguel Silva <rmfrfs(a)gmail.com> L: linux-iio(a)vger.kernel.org S: Maintained -F: Documentation/devicetree/bindings/iio/gyroscope/fxas21002c.txt +F: Documentation/devicetree/bindings/iio/gyroscope/nxp,fxas21002c.txt F: drivers/iio/gyro/fxas21002c_core.c F: drivers/iio/gyro/fxas21002c.h F: drivers/iio/gyro/fxas21002c_i2c.c @@ -13043,7 +13043,7 @@ M: Niklas Cassel <niklas.cassel(a)linaro.org> L: netdev(a)vger.kernel.org S: Maintained F: drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c -F: Documentation/devicetree/bindings/net/qcom,dwmac.txt +F: Documentation/devicetree/bindings/net/qcom,ethqos.txt QUALCOMM GENERIC INTERFACE I2C DRIVER M: Alok Chauhan <alokc(a)codeaurora.org> diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 8869742a85df..0f220264cc23 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -1263,7 +1263,7 @@ config SMP uniprocessor machines. On a uniprocessor machine, the kernel will run faster if you say N here. - See also <file:Documentation/x86/i386/IO-APIC.txt>, + See also <file:Documentation/x86/i386/IO-APIC.rst>, <file:Documentation/lockup-watchdogs.txt> and the SMP-HOWTO available at <http://tldp.org/HOWTO/SMP-HOWTO.html>. diff --git a/arch/arm64/kernel/kexec_image.c b/arch/arm64/kernel/kexec_image.c index 07bf740bea91..31cc2f423aa8 100644 --- a/arch/arm64/kernel/kexec_image.c +++ b/arch/arm64/kernel/kexec_image.c @@ -53,7 +53,7 @@ static void *image_load(struct kimage *image, /* * We require a kernel with an unambiguous Image header. Per - * Documentation/booting.txt, this is the case when image_size + * Documentation/arm64/booting.txt, this is the case when image_size * is non-zero (practically speaking, since v3.17). */ h = (struct arm64_image_header *)kernel; diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 8c1c636308c8..e868d2bd48b8 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -898,7 +898,7 @@ config PPC_MEM_KEYS page-based protections, but without requiring modification of the page tables when an application changes protection domains. - For details, see Documentation/vm/protection-keys.rst + For details, see Documentation/x86/protection-keys.rst If unsure, say y. diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 2bbbd4d1ba31..78fdf2dd71d1 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -395,7 +395,7 @@ config SMP Y to "Enhanced Real Time Clock Support", below. The "Advanced Power Management" code will be disabled if you say Y here. - See also <file:Documentation/x86/i386/IO-APIC.txt>, + See also <file:Documentation/x86/i386/IO-APIC.rst>, <file:Documentation/lockup-watchdogs.txt> and the SMP-HOWTO available at <http://www.tldp.org/docs.html#howto>. @@ -1290,7 +1290,7 @@ config MICROCODE the Linux kernel. The preferred method to load microcode from a detached initrd is described - in Documentation/x86/microcode.txt. For that you need to enable + in Documentation/x86/microcode.rst. For that you need to enable CONFIG_BLK_DEV_INITRD in order for the loader to be able to scan the initrd for microcode blobs. @@ -1329,7 +1329,7 @@ config MICROCODE_OLD_INTERFACE It is inadequate because it runs too late to be able to properly load microcode on a machine and it needs special tools. Instead, you should've switched to the early loading method with the initrd or - builtin microcode by now: Documentation/x86/microcode.txt + builtin microcode by now: Documentation/x86/microcode.rst config X86_MSR tristate "/dev/cpu/*/msr - Model-specific register support" @@ -1478,7 +1478,7 @@ config X86_5LEVEL A kernel with the option enabled can be booted on machines that support 4- or 5-level paging. - See Documentation/x86/x86_64/5level-paging.txt for more + See Documentation/x86/x86_64/5level-paging.rst for more information. Say N if unsure. @@ -1626,7 +1626,7 @@ config ARCH_MEMORY_PROBE depends on X86_64 && MEMORY_HOTPLUG help This option enables a sysfs memory/probe interface for testing. - See Documentation/memory-hotplug.txt for more information. + See Documentation/admin-guide/mm/memory-hotplug.rst for more information. If you are unsure how to answer this question, answer N. config ARCH_PROC_KCORE_TEXT @@ -1783,7 +1783,7 @@ config MTRR You can safely say Y even if your machine doesn't have MTRRs, you'll just add about 9 KB to your kernel. - See <file:Documentation/x86/mtrr.txt> for more information. + See <file:Documentation/x86/mtrr.rst> for more information. config MTRR_SANITIZER def_bool y @@ -1895,7 +1895,7 @@ config X86_INTEL_MPX process and adds some branches to paths used during exec() and munmap(). - For details, see Documentation/x86/intel_mpx.txt + For details, see Documentation/x86/intel_mpx.rst If unsure, say N. @@ -1911,7 +1911,7 @@ config X86_INTEL_MEMORY_PROTECTION_KEYS page-based protections, but without requiring modification of the page tables when an application changes protection domains. - For details, see Documentation/x86/protection-keys.txt + For details, see Documentation/x86/protection-keys.rst If unsure, say y. diff --git a/arch/x86/Kconfig.debug b/arch/x86/Kconfig.debug index f730680dc818..59f598543203 100644 --- a/arch/x86/Kconfig.debug +++ b/arch/x86/Kconfig.debug @@ -156,7 +156,7 @@ config IOMMU_DEBUG code. When you use it make sure you have a big enough IOMMU/AGP aperture. Most of the options enabled by this can be set more finegrained using the iommu= command line - options. See Documentation/x86/x86_64/boot-options.txt for more + options. See Documentation/x86/x86_64/boot-options.rst for more details. config IOMMU_LEAK diff --git a/arch/x86/boot/header.S b/arch/x86/boot/header.S index 850b8762e889..90d791ca1a95 100644 --- a/arch/x86/boot/header.S +++ b/arch/x86/boot/header.S @@ -313,7 +313,7 @@ start_sys_seg: .word SYSSEG # obsolete and meaningless, but just type_of_loader: .byte 0 # 0 means ancient bootloader, newer # bootloaders know to change this. - # See Documentation/x86/boot.txt for + # See Documentation/x86/boot.rst for # assigned ids # flags, unused bits must be zero (RFU) bit within loadflags diff --git a/arch/x86/entry/entry_64.S b/arch/x86/entry/entry_64.S index 11aa3b2afa4d..33f9fc38d014 100644 --- a/arch/x86/entry/entry_64.S +++ b/arch/x86/entry/entry_64.S @@ -8,7 +8,7 @@ * * entry.S contains the system-call and fault low-level handling routines. * - * Some of this is documented in Documentation/x86/entry_64.txt + * Some of this is documented in Documentation/x86/entry_64.rst * * A note on terminology: * - iret frame: Architecture defined interrupt frame from SS to RIP diff --git a/arch/x86/include/asm/bootparam_utils.h b/arch/x86/include/asm/bootparam_utils.h index f6f6ef436599..101eb944f13c 100644 --- a/arch/x86/include/asm/bootparam_utils.h +++ b/arch/x86/include/asm/bootparam_utils.h @@ -24,7 +24,7 @@ static void sanitize_boot_params(struct boot_params *boot_params) * IMPORTANT NOTE TO BOOTLOADER AUTHORS: do not simply clear * this field. The purpose of this field is to guarantee * compliance with the x86 boot spec located in - * Documentation/x86/boot.txt . That spec says that the + * Documentation/x86/boot.rst . That spec says that the * *whole* structure should be cleared, after which only the * portion defined by struct setup_header (boot_params->hdr) * should be copied in. diff --git a/arch/x86/include/asm/page_64_types.h b/arch/x86/include/asm/page_64_types.h index 793c14c372cb..288b065955b7 100644 --- a/arch/x86/include/asm/page_64_types.h +++ b/arch/x86/include/asm/page_64_types.h @@ -48,7 +48,7 @@ #define __START_KERNEL_map _AC(0xffffffff80000000, UL) -/* See Documentation/x86/x86_64/mm.txt for a description of the memory map. */ +/* See Documentation/x86/x86_64/mm.rst for a description of the memory map. */ #define __PHYSICAL_MASK_SHIFT 52 diff --git a/arch/x86/include/asm/pgtable_64_types.h b/arch/x86/include/asm/pgtable_64_types.h index 88bca456da99..52e5f5f2240d 100644 --- a/arch/x86/include/asm/pgtable_64_types.h +++ b/arch/x86/include/asm/pgtable_64_types.h @@ -103,7 +103,7 @@ extern unsigned int ptrs_per_p4d; #define PGDIR_MASK (~(PGDIR_SIZE - 1)) /* - * See Documentation/x86/x86_64/mm.txt for a description of the memory map. + * See Documentation/x86/x86_64/mm.rst for a description of the memory map. * * Be very careful vs. KASLR when changing anything here. The KASLR address * range must not overlap with anything except the KASAN shadow area, which diff --git a/arch/x86/kernel/cpu/microcode/amd.c b/arch/x86/kernel/cpu/microcode/amd.c index e1f3ba19ba54..06d4e67f31ab 100644 --- a/arch/x86/kernel/cpu/microcode/amd.c +++ b/arch/x86/kernel/cpu/microcode/amd.c @@ -61,7 +61,7 @@ static u8 amd_ucode_patch[PATCH_MAX_SIZE]; /* * Microcode patch container file is prepended to the initrd in cpio - * format. See Documentation/x86/microcode.txt + * format. See Documentation/x86/microcode.rst */ static const char ucode_path[] __maybe_unused = "kernel/x86/microcode/AuthenticAMD.bin"; diff --git a/arch/x86/kernel/kexec-bzimage64.c b/arch/x86/kernel/kexec-bzimage64.c index 22f60dd26460..b07e7069b09e 100644 --- a/arch/x86/kernel/kexec-bzimage64.c +++ b/arch/x86/kernel/kexec-bzimage64.c @@ -416,7 +416,7 @@ static void *bzImage64_load(struct kimage *image, char *kernel, efi_map_offset = params_cmdline_sz; efi_setup_data_offset = efi_map_offset + ALIGN(efi_map_sz, 16); - /* Copy setup header onto bootparams. Documentation/x86/boot.txt */ + /* Copy setup header onto bootparams. Documentation/x86/boot.rst */ setup_header_size = 0x0202 + kernel[0x0201] - setup_hdr_offset; /* Is there a limit on setup header size? */ diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c index dcd272dbd0a9..f62b498b18fb 100644 --- a/arch/x86/kernel/pci-dma.c +++ b/arch/x86/kernel/pci-dma.c @@ -70,7 +70,7 @@ void __init pci_iommu_alloc(void) } /* - * See <Documentation/x86/x86_64/boot-options.txt> for the iommu kernel + * See <Documentation/x86/x86_64/boot-options.rst> for the iommu kernel * parameter documentation. */ static __init int iommu_setup(char *p) diff --git a/arch/x86/mm/tlb.c b/arch/x86/mm/tlb.c index 7f61431c75fb..400c1ba033aa 100644 --- a/arch/x86/mm/tlb.c +++ b/arch/x86/mm/tlb.c @@ -711,7 +711,7 @@ void native_flush_tlb_others(const struct cpumask *cpumask, } /* - * See Documentation/x86/tlb.txt for details. We choose 33 + * See Documentation/x86/tlb.rst for details. We choose 33 * because it is large enough to cover the vast majority (at * least 95%) of allocations, and is small enough that we are * confident it will not cause too much overhead. Each single diff --git a/arch/x86/platform/pvh/enlighten.c b/arch/x86/platform/pvh/enlighten.c index 1861a2ba0f2b..c0a502f7e3a7 100644 --- a/arch/x86/platform/pvh/enlighten.c +++ b/arch/x86/platform/pvh/enlighten.c @@ -86,7 +86,7 @@ static void __init init_pvh_bootparams(bool xen_guest) } /* - * See Documentation/x86/boot.txt. + * See Documentation/x86/boot.rst. * * Version 2.12 supports Xen entry point but we will use default x86/PC * environment (i.e. hardware_subarch 0). diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig index 283ee94224c6..2438f37f2ca1 100644 --- a/drivers/acpi/Kconfig +++ b/drivers/acpi/Kconfig @@ -333,7 +333,7 @@ config ACPI_CUSTOM_DSDT_FILE depends on !STANDALONE help This option supports a custom DSDT by linking it into the kernel. - See Documentation/acpi/dsdt-override.txt + See Documentation/admin-guide/acpi/dsdt-override.rst Enter the full path name to the file which includes the AmlCode or dsdt_aml_code declaration. @@ -355,7 +355,7 @@ config ACPI_TABLE_UPGRADE This option provides functionality to upgrade arbitrary ACPI tables via initrd. No functional change if no ACPI tables are passed via initrd, therefore it's safe to say Y. - See Documentation/acpi/initrd_table_override.txt for details + See Documentation/admin-guide/acpi/initrd_table_override.rst for details config ACPI_TABLE_OVERRIDE_VIA_BUILTIN_INITRD bool "Override ACPI tables from built-in initrd" @@ -365,7 +365,7 @@ config ACPI_TABLE_OVERRIDE_VIA_BUILTIN_INITRD This option provides functionality to override arbitrary ACPI tables from built-in uncompressed initrd. - See Documentation/acpi/initrd_table_override.txt for details + See Documentation/admin-guide/acpi/initrd_table_override.rst for details config ACPI_DEBUG bool "Debug Statements" @@ -374,7 +374,7 @@ config ACPI_DEBUG output and increases the kernel size by around 50K. Use the acpi.debug_layer and acpi.debug_level kernel command-line - parameters documented in Documentation/acpi/debug.txt and + parameters documented in Documentation/firmware-guide/acpi/debug.rst and Documentation/admin-guide/kernel-parameters.rst to control the type and amount of debug output. @@ -445,7 +445,7 @@ config ACPI_CUSTOM_METHOD help This debug facility allows ACPI AML methods to be inserted and/or replaced without rebooting the system. For details refer to: - Documentation/acpi/method-customizing.txt. + Documentation/firmware-guide/acpi/method-customizing.rst. NOTE: This option is security sensitive, because it allows arbitrary kernel memory to be written to by root (uid=0) users, allowing them diff --git a/drivers/net/ethernet/faraday/ftgmac100.c b/drivers/net/ethernet/faraday/ftgmac100.c index b17b79e612a3..ac6280ad43a1 100644 --- a/drivers/net/ethernet/faraday/ftgmac100.c +++ b/drivers/net/ethernet/faraday/ftgmac100.c @@ -1075,7 +1075,7 @@ static int ftgmac100_mii_probe(struct ftgmac100 *priv, phy_interface_t intf) } /* Indicate that we support PAUSE frames (see comment in - * Documentation/networking/phy.txt) + * Documentation/networking/phy.rst) */ phy_support_asym_pause(phydev); diff --git a/drivers/staging/fieldbus/Documentation/fieldbus_dev.txt b/drivers/staging/fieldbus/Documentation/fieldbus_dev.txt index 56af3f650fa3..89fb8e14676f 100644 --- a/drivers/staging/fieldbus/Documentation/fieldbus_dev.txt +++ b/drivers/staging/fieldbus/Documentation/fieldbus_dev.txt @@ -54,8 +54,8 @@ a limited few common behaviours and properties. This allows us to define a simple interface consisting of a character device and a set of sysfs files: See: -Documentation/ABI/testing/sysfs-class-fieldbus-dev -Documentation/ABI/testing/fieldbus-dev-cdev +drivers/staging/fieldbus/Documentation/ABI/sysfs-class-fieldbus-dev +drivers/staging/fieldbus/Documentation/ABI/fieldbus-dev-cdev Note that this simple interface does not provide a way to modify adapter configuration settings. It is therefore useful only for adapters that get their diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c index 1e3ed41ae1f3..69938dbae2d0 100644 --- a/drivers/vhost/vhost.c +++ b/drivers/vhost/vhost.c @@ -1694,7 +1694,7 @@ EXPORT_SYMBOL_GPL(vhost_dev_ioctl); /* TODO: This is really inefficient. We need something like get_user() * (instruction directly accesses the data, with an exception table entry - * returning -EFAULT). See Documentation/x86/exception-tables.txt. + * returning -EFAULT). See Documentation/x86/exception-tables.rst. */ static int set_bit_to_user(int nr, void __user *addr) { diff --git a/include/acpi/acpi_drivers.h b/include/acpi/acpi_drivers.h index de1804aeaf69..98e3db7a89cd 100644 --- a/include/acpi/acpi_drivers.h +++ b/include/acpi/acpi_drivers.h @@ -25,7 +25,7 @@ #define ACPI_MAX_STRING 80 /* - * Please update drivers/acpi/debug.c and Documentation/acpi/debug.txt + * Please update drivers/acpi/debug.c and Documentation/firmware-guide/acpi/debug.rst * if you add to this list. */ #define ACPI_BUS_COMPONENT 0x00010000 diff --git a/include/linux/fs_context.h b/include/linux/fs_context.h index 1f966670c8dc..623eb58560b9 100644 --- a/include/linux/fs_context.h +++ b/include/linux/fs_context.h @@ -85,7 +85,7 @@ struct fs_parameter { * Superblock creation fills in ->root whereas reconfiguration begins with this * already set. * - * See Documentation/filesystems/mounting.txt + * See Documentation/filesystems/mount_api.txt */ struct fs_context { const struct fs_context_operations *ops; diff --git a/include/linux/lsm_hooks.h b/include/linux/lsm_hooks.h index 47f58cfb6a19..df1318d85f7d 100644 --- a/include/linux/lsm_hooks.h +++ b/include/linux/lsm_hooks.h @@ -77,7 +77,7 @@ * state. This is called immediately after commit_creds(). * * Security hooks for mount using fs_context. - * [See also Documentation/filesystems/mounting.txt] + * [See also Documentation/filesystems/mount_api.txt] * * @fs_context_dup: * Allocate and attach a security structure to sc->security. This pointer diff --git a/mm/Kconfig b/mm/Kconfig index ee8d1f311858..6e5fb81bde4b 100644 --- a/mm/Kconfig +++ b/mm/Kconfig @@ -165,7 +165,7 @@ config MEMORY_HOTPLUG_DEFAULT_ONLINE onlining policy (/sys/devices/system/memory/auto_online_blocks) which determines what happens to newly added memory regions. Policy setting can always be changed at runtime. - See Documentation/memory-hotplug.txt for more information. + See Documentation/admin-guide/mm/memory-hotplug.rst for more information. Say Y here if you want all hot-plugged memory blocks to appear in 'online' state by default. diff --git a/security/Kconfig b/security/Kconfig index aeac3676dd4d..6d75ed71970c 100644 --- a/security/Kconfig +++ b/security/Kconfig @@ -62,7 +62,7 @@ config PAGE_TABLE_ISOLATION ensuring that the majority of kernel addresses are not mapped into userspace. - See Documentation/x86/pti.txt for more details. + See Documentation/x86/pti.rst for more details. config SECURITY_INFINIBAND bool "Infiniband Security Hooks" diff --git a/tools/include/linux/err.h b/tools/include/linux/err.h index 2f5a12b88a86..25f2bb3a991d 100644 --- a/tools/include/linux/err.h +++ b/tools/include/linux/err.h @@ -20,7 +20,7 @@ * Userspace note: * The same principle works for userspace, because 'error' pointers * fall down to the unused hole far from user space, as described - * in Documentation/x86/x86_64/mm.txt for x86_64 arch: + * in Documentation/x86/x86_64/mm.rst for x86_64 arch: * * 0000000000000000 - 00007fffffffffff (=47 bits) user space, different per mm hole caused by [48:63] sign extension * ffffffffffe00000 - ffffffffffffffff (=2 MB) unused hole diff --git a/tools/objtool/Documentation/stack-validation.txt b/tools/objtool/Documentation/stack-validation.txt index 4dd11a554b9b..de094670050b 100644 --- a/tools/objtool/Documentation/stack-validation.txt +++ b/tools/objtool/Documentation/stack-validation.txt @@ -21,7 +21,7 @@ instructions). Similarly, it knows how to follow switch statements, for which gcc sometimes uses jump tables. (Objtool also has an 'orc generate' subcommand which generates debuginfo -for the ORC unwinder. See Documentation/x86/orc-unwinder.txt in the +for the ORC unwinder. See Documentation/x86/orc-unwinder.rst in the kernel tree for more details.) @@ -101,7 +101,7 @@ b) ORC (Oops Rewind Capability) unwind table generation band. So it doesn't affect runtime performance and it can be reliable even when interrupts or exceptions are involved. - For more details, see Documentation/x86/orc-unwinder.txt. + For more details, see Documentation/x86/orc-unwinder.rst. c) Higher live patching compatibility rate diff --git a/tools/testing/selftests/x86/protection_keys.c b/tools/testing/selftests/x86/protection_keys.c index 5d546dcdbc80..798a5ddeee55 100644 --- a/tools/testing/selftests/x86/protection_keys.c +++ b/tools/testing/selftests/x86/protection_keys.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 /* - * Tests x86 Memory Protection Keys (see Documentation/x86/protection-keys.txt) + * Tests x86 Memory Protection Keys (see Documentation/x86/protection-keys.rst) * * There are examples in here of: * * how to set protection keys on memory -- 2.21.0

6 years, 1 month

4
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[PATCH] KVM: s390: fix memory slot handling for KVM_SET_USER_MEMORY_REGION

by Christian Borntraeger

kselftests exposed a problem in the s390 handling for memory slots. Right now we only do proper memory slot handling for creation of new memory slots. Neither MOVE, nor DELETION are handled properly. Let us implement those. Signed-off-by: Christian Borntraeger <borntraeger(a)de.ibm.com> --- arch/s390/kvm/kvm-s390.c | 35 +++++++++++++++++++++-------------- 1 file changed, 21 insertions(+), 14 deletions(-) diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index 871d2e99b156..6ec0685ab2c7 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -4525,21 +4525,28 @@ void kvm_arch_commit_memory_region(struct kvm *kvm, const struct kvm_memory_slot *new, enum kvm_mr_change change) { - int rc; + int rc = 0; - /* If the basics of the memslot do not change, we do not want - * to update the gmap. Every update causes several unnecessary - * segment translation exceptions. This is usually handled just - * fine by the normal fault handler + gmap, but it will also - * cause faults on the prefix page of running guest CPUs. - */ - if (old->userspace_addr == mem->userspace_addr && - old->base_gfn * PAGE_SIZE == mem->guest_phys_addr && - old->npages * PAGE_SIZE == mem->memory_size) - return; - - rc = gmap_map_segment(kvm->arch.gmap, mem->userspace_addr, - mem->guest_phys_addr, mem->memory_size); + switch (change) { + case KVM_MR_DELETE: + rc = gmap_unmap_segment(kvm->arch.gmap, old->base_gfn * PAGE_SIZE, + old->npages * PAGE_SIZE); + break; + case KVM_MR_MOVE: + rc = gmap_unmap_segment(kvm->arch.gmap, old->base_gfn * PAGE_SIZE, + old->npages * PAGE_SIZE); + if (rc) + break; + /* FALLTHROUGH */ + case KVM_MR_CREATE: + rc = gmap_map_segment(kvm->arch.gmap, mem->userspace_addr, + mem->guest_phys_addr, mem->memory_size); + break; + case KVM_MR_FLAGS_ONLY: + break; + default: + WARN(1, "Unknown KVM MR CHANGE: %d\n", change); + } if (rc) pr_warn("failed to commit memory region\n"); return; -- 2.21.0

6 years, 1 month

3
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[PATCH v2 1/3] kselftest/cgroup: fix unexpected testing failure on test_memcontrol

by Alex Shi

The cgroup testing relies on the root cgroup's subtree_control setting, If the 'memory' controller isn't set, all test cases will be failed as following: $ sudo ./test_memcontrol not ok 1 test_memcg_subtree_control not ok 2 test_memcg_current ok 3 # skip test_memcg_min not ok 4 test_memcg_low not ok 5 test_memcg_high not ok 6 test_memcg_max not ok 7 test_memcg_oom_events ok 8 # skip test_memcg_swap_max not ok 9 test_memcg_sock not ok 10 test_memcg_oom_group_leaf_events not ok 11 test_memcg_oom_group_parent_events not ok 12 test_memcg_oom_group_score_events To correct this unexpected failure, this patch write the 'memory' to subtree_control of root to get a right result. Signed-off-by: Alex Shi <alex.shi(a)linux.alibaba.com> Cc: Shuah Khan <shuah(a)kernel.org> Cc: Roman Gushchin <guro(a)fb.com> Cc: Tejun Heo <tj(a)kernel.org> Cc: Mike Rapoport <rppt(a)linux.vnet.ibm.com> Cc: Jay Kamat <jgkamat(a)fb.com> Cc: linux-kselftest(a)vger.kernel.org Cc: linux-kernel(a)vger.kernel.org Reviewed-by: Roman Gushchin <guro(a)fb.com> --- tools/testing/selftests/cgroup/test_memcontrol.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/tools/testing/selftests/cgroup/test_memcontrol.c b/tools/testing/selftests/cgroup/test_memcontrol.c index 6f339882a6ca..73612d604a2a 100644 --- a/tools/testing/selftests/cgroup/test_memcontrol.c +++ b/tools/testing/selftests/cgroup/test_memcontrol.c @@ -1205,6 +1205,10 @@ int main(int argc, char **argv) if (cg_read_strstr(root, "cgroup.controllers", "memory")) ksft_exit_skip("memory controller isn't available\n"); + if (cg_read_strstr(root, "cgroup.subtree_control", "memory")) + if (cg_write(root, "cgroup.subtree_control", "+memory")) + ksft_exit_skip("Failed to set root memory controller\n"); + for (i = 0; i < ARRAY_SIZE(tests); i++) { switch (tests[i].fn(root)) { case KSFT_PASS: -- 2.19.1.856.g8858448bb

6 years, 1 month

3
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[PATCH v3 1/3] kselftest/cgroup: fix unexpected testing failure on test_memcontrol

by Alex Shi

The cgroup testing relies on the root cgroup's subtree_control setting, If the 'memory' controller isn't set, all test cases will be failed as following: $ sudo ./test_memcontrol not ok 1 test_memcg_subtree_control not ok 2 test_memcg_current ok 3 # skip test_memcg_min not ok 4 test_memcg_low not ok 5 test_memcg_high not ok 6 test_memcg_max not ok 7 test_memcg_oom_events ok 8 # skip test_memcg_swap_max not ok 9 test_memcg_sock not ok 10 test_memcg_oom_group_leaf_events not ok 11 test_memcg_oom_group_parent_events not ok 12 test_memcg_oom_group_score_events To correct this unexpected failure, this patch write the 'memory' to subtree_control of root to get a right result. Signed-off-by: Alex Shi <alex.shi(a)linux.alibaba.com> Cc: Shuah Khan <shuah(a)kernel.org> Cc: Roman Gushchin <guro(a)fb.com> Cc: Tejun Heo <tj(a)kernel.org> Cc: Mike Rapoport <rppt(a)linux.vnet.ibm.com> Cc: Jay Kamat <jgkamat(a)fb.com> Cc: linux-kselftest(a)vger.kernel.org Cc: linux-kernel(a)vger.kernel.org Reviewed-by: Roman Gushchin <guro(a)fb.com> Acked-by: Tejun Heo <tj(a)kernel.org> --- tools/testing/selftests/cgroup/test_memcontrol.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/tools/testing/selftests/cgroup/test_memcontrol.c b/tools/testing/selftests/cgroup/test_memcontrol.c index 6f339882a6ca..c19a97dd02d4 100644 --- a/tools/testing/selftests/cgroup/test_memcontrol.c +++ b/tools/testing/selftests/cgroup/test_memcontrol.c @@ -1205,6 +1205,10 @@ int main(int argc, char **argv) if (cg_read_strstr(root, "cgroup.controllers", "memory")) ksft_exit_skip("memory controller isn't available\n"); + if (cg_read_strstr(root, "cgroup.subtree_control", "memory")) + if (cg_write(root, "cgroup.subtree_control", "+memory")) + ksft_exit_skip("Failed to set memory controller\n"); + for (i = 0; i < ARRAY_SIZE(tests); i++) { switch (tests[i].fn(root)) { case KSFT_PASS: -- 2.19.1.856.g8858448bb

6 years, 1 month

1
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[PATCH net v2 0/1] Allow TX timestamp with UDP GSO

by Fred Klassen

Fixes an issue where TX Timestamps are not arriving on the error queue when UDP_SEGMENT CMSG type is combined with CMSG type SO_TIMESTAMPING. This is version 2 which moves the tests to net-next. Fred Klassen (1): net/udp_gso: Allow TX timestamp with UDP GSO net/ipv4/udp_offload.c | 4 ++++ 1 file changed, 4 insertions(+) -- 2.11.0

6 years, 1 month

2
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[GIT PULL] Kselftest fixes update for Linux 5.2-rc2

by Shuah Khan

Hi Linus, Please pull the following Kselftest fixes update for Linux 5.2-rc2. This Kselftest fixes update for Linux 5.2-rc2 consists of: - 2 fixes to regressions introduced in kselftest Makefile test run output refactoring work from Kees Cook. - Adding Atom support to syscall_arg_fault test from Tong Bo. diff is attached. thanks, -- Shuah ---------------------------------------------------------------- The following changes since commit a188339ca5a396acc588e5851ed7e19f66b0ebd9: Linux 5.2-rc1 (2019-05-19 15:47:09 -0700) are available in the Git repository at: git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest tags/linux-kselftest-5.2-rc2 for you to fetch changes up to fe48319243a626c860fd666ca032daacc2ba84a5: selftests/timers: Add missing fflush(stdout) calls (2019-05-21 09:24:31 -0600) ---------------------------------------------------------------- linux-kselftest-5.2-rc2 This Kselftest fixes update for Linux 5.2-rc2 consists of: - 2 fixes to regressions introduced in kselftest Makefile test run output refactoring work from Kees Cook. - Adding Atom support to syscall_arg_fault test from Tong Bo. ---------------------------------------------------------------- Kees Cook (2): selftests: Remove forced unbuffering for test running selftests/timers: Add missing fflush(stdout) calls Tong Bo (1): selftests/x86: Support Atom for syscall_arg_fault test tools/testing/selftests/kselftest/runner.sh | 12 +----------- tools/testing/selftests/timers/adjtick.c | 1 + tools/testing/selftests/timers/leapcrash.c | 1 + tools/testing/selftests/timers/mqueue-lat.c | 1 + tools/testing/selftests/timers/nanosleep.c | 1 + tools/testing/selftests/timers/nsleep-lat.c | 1 + tools/testing/selftests/timers/raw_skew.c | 1 + tools/testing/selftests/timers/set-tai.c | 1 + tools/testing/selftests/timers/set-tz.c | 2 ++ tools/testing/selftests/timers/threadtest.c | 1 + tools/testing/selftests/timers/valid-adjtimex.c | 2 ++ tools/testing/selftests/x86/syscall_arg_fault.c | 10 ++++++++-- 12 files changed, 21 insertions(+), 13 deletions(-) ----------------------------------------------------------------

6 years, 1 month

2
1
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[PATCH bpf-next v2 RESEND 0/2] Move bpf_printk to bpf_helpers.h

by Michal Rostecki

This series of patches move the commonly used bpf_printk macro to bpf_helpers.h which is already included in all BPF programs which defined that macro on their own. v1->v2: - If HBM_DEBUG is not defined in hbm sample, undefine bpf_printk and set an empty macro for it. Michal Rostecki (2): selftests: bpf: Move bpf_printk to bpf_helpers.h samples: bpf: Do not define bpf_printk macro samples/bpf/hbm_kern.h | 11 ++--------- samples/bpf/tcp_basertt_kern.c | 7 ------- samples/bpf/tcp_bufs_kern.c | 7 ------- samples/bpf/tcp_clamp_kern.c | 7 ------- samples/bpf/tcp_cong_kern.c | 7 ------- samples/bpf/tcp_iw_kern.c | 7 ------- samples/bpf/tcp_rwnd_kern.c | 7 ------- samples/bpf/tcp_synrto_kern.c | 7 ------- samples/bpf/tcp_tos_reflect_kern.c | 7 ------- samples/bpf/xdp_sample_pkts_kern.c | 7 ------- tools/testing/selftests/bpf/bpf_helpers.h | 8 ++++++++ .../testing/selftests/bpf/progs/sockmap_parse_prog.c | 7 ------- .../selftests/bpf/progs/sockmap_tcp_msg_prog.c | 7 ------- .../selftests/bpf/progs/sockmap_verdict_prog.c | 7 ------- .../testing/selftests/bpf/progs/test_lwt_seg6local.c | 7 ------- tools/testing/selftests/bpf/progs/test_xdp_noinline.c | 7 ------- tools/testing/selftests/bpf/test_sockmap_kern.h | 7 ------- 17 files changed, 10 insertions(+), 114 deletions(-) -- 2.21.0

6 years, 1 month

3
4
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[PATCH] KVM: selftests: Wrap vcpu_nested_state_get/set functions with x86 guard

by Thomas Huth

struct kvm_nested_state is only available on x86 so far. To be able to compile the code on other architectures as well, we need to wrap the related code with #ifdefs. Signed-off-by: Thomas Huth <thuth(a)redhat.com> --- tools/testing/selftests/kvm/include/kvm_util.h | 2 ++ tools/testing/selftests/kvm/lib/kvm_util.c | 2 ++ 2 files changed, 4 insertions(+) diff --git a/tools/testing/selftests/kvm/include/kvm_util.h b/tools/testing/selftests/kvm/include/kvm_util.h index 8c6b9619797d..a5a4b28f14d8 100644 --- a/tools/testing/selftests/kvm/include/kvm_util.h +++ b/tools/testing/selftests/kvm/include/kvm_util.h @@ -118,10 +118,12 @@ void vcpu_events_get(struct kvm_vm *vm, uint32_t vcpuid, struct kvm_vcpu_events *events); void vcpu_events_set(struct kvm_vm *vm, uint32_t vcpuid, struct kvm_vcpu_events *events); +#ifdef __x86_64__ void vcpu_nested_state_get(struct kvm_vm *vm, uint32_t vcpuid, struct kvm_nested_state *state); int vcpu_nested_state_set(struct kvm_vm *vm, uint32_t vcpuid, struct kvm_nested_state *state, bool ignore_error); +#endif const char *exit_reason_str(unsigned int exit_reason); diff --git a/tools/testing/selftests/kvm/lib/kvm_util.c b/tools/testing/selftests/kvm/lib/kvm_util.c index cf62de377310..633b22df46a4 100644 --- a/tools/testing/selftests/kvm/lib/kvm_util.c +++ b/tools/testing/selftests/kvm/lib/kvm_util.c @@ -1248,6 +1248,7 @@ void vcpu_events_set(struct kvm_vm *vm, uint32_t vcpuid, ret, errno); } +#ifdef __x86_64__ void vcpu_nested_state_get(struct kvm_vm *vm, uint32_t vcpuid, struct kvm_nested_state *state) { @@ -1279,6 +1280,7 @@ int vcpu_nested_state_set(struct kvm_vm *vm, uint32_t vcpuid, return ret; } +#endif /* * VM VCPU System Regs Get -- 2.21.0

6 years, 1 month

3
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Re: about selftests/rtc test related stuff

by Alexandre Belloni

On 23/05/2019 22:29:36+0530, Jeffrin Thalakkottoor wrote: > I get the following result when i run "rtctest" > please see the following.... > -----------------x------------------------x----------------- > $pwd > /home/jeffrin/upstream/linux-kselftest/tools/testing/selftests/rtc > $./rtctest > [==========] Running 7 tests from 2 test cases. > [ RUN ] rtc.date_read > rtctest.c:32:rtc.date_read:Expected -1 (18446744073709551615) != > self->fd (18446744073709551615) > rtc.date_read: Test terminated by assertion Your user probably doesn't have access to the rtc device file. -- Alexandre Belloni, Bootlin Embedded Linux and Kernel engineering https://bootlin.com

6 years, 1 month

2
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