- Lkft-triage - lists.linaro.org

Re: [next] arm: Internal error: Oops: 5 PC is at __read_once_word_nocheck

by Naresh Kamboju

Hi Ard and Russell, Your three patches applied and tested on x15 tested by Daniel and reported kernel crash did not find it after multiple iterations. ARM: unwind: set frame.pc correctly for current-thread unwinding ARM: entry: fix unwinder problems caused by IRQ stacks ARM: Revert "unwind: dump exception stack from calling frame" Tested-by: Linux Kernel Functional Testing <lkft(a)linaro.org> Build url: https://builds.tuxbuild.com/26DZbOeAxshMvtU2FhS3Fytr7NS/ vmlinux: https://builds.tuxbuild.com/26DZbOeAxshMvtU2FhS3Fytr7NS/vmlinux.xz zImage: https://builds.tuxbuild.com/26DZbOeAxshMvtU2FhS3Fytr7NS/zImage System.map: https://builds.tuxbuild.com/26DZbOeAxshMvtU2FhS3Fytr7NS/System.map LAVA test jobs ran on x15 device: https://lkft.validation.linaro.org/scheduler/job/4702341 https://lkft.validation.linaro.org/scheduler/job/4702344 https://lkft.validation.linaro.org/scheduler/job/4702348 https://lkft.validation.linaro.org/scheduler/job/4702350 https://lkft.validation.linaro.org/scheduler/job/4702352 https://lkft.validation.linaro.org/scheduler/job/4702354 - Naresh

3 years, 6 months

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|Metal working machine tools Russia - Turkey Used machine tools Russia - Turkey

by Radik

. Hello We is Russian company ,which buy used metal working machines . If you want to buy or sell a used machines , please do not hesitate ,write us. We are also ready to consider other types of goods of Turkey for the market in Russia or from Russia to Turkey. The best regards Radik Maksutov STANKOEXPORTSERVICE , Ltd. Russia, Ivanovo, 153012, Svobodnay street, 2 Tel./fax +7 4932 24-23-20 Cell +7-915-81-11-460 mailto: rodion.63(a)bk.ru radik.maksutov(a)yahoo.com Received this newsletter as a customer or subscriber «STANKOEXPORTSERVICE , Ltd» If you want to unsubscribe from receiving Unsubscribe Если хотите отказаться от получения рассылки, перейдите по ссылке.

3 years, 6 months

1
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[PATCH 5.10 00/58] 5.10.105-rc2 review

by Greg Kroah-Hartman

This is the start of the stable review cycle for the 5.10.105 release. There are 58 patches in this series, all will be posted as a response to this one. If anyone has any issues with these being applied, please let me know. Responses should be made by Sat, 12 Mar 2022 14:07:58 +0000. Anything received after that time might be too late. The whole patch series can be found in one patch at: https://www.kernel.org/pub/linux/kernel/v5.x/stable-review/patch-5.10.105-r… or in the git tree and branch at: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.10.y and the diffstat can be found below. thanks, greg k-h ------------- Pseudo-Shortlog of commits: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> Linux 5.10.105-rc2 Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> Revert "ACPI: PM: s2idle: Cancel wakeup before dispatching EC GPE" Juergen Gross <jgross(a)suse.com> xen/netfront: react properly to failing gnttab_end_foreign_access_ref() Juergen Gross <jgross(a)suse.com> xen/gnttab: fix gnttab_end_foreign_access() without page specified Juergen Gross <jgross(a)suse.com> xen/pvcalls: use alloc/free_pages_exact() Juergen Gross <jgross(a)suse.com> xen/9p: use alloc/free_pages_exact() Juergen Gross <jgross(a)suse.com> xen: remove gnttab_query_foreign_access() Juergen Gross <jgross(a)suse.com> xen/gntalloc: don't use gnttab_query_foreign_access() Juergen Gross <jgross(a)suse.com> xen/scsifront: don't use gnttab_query_foreign_access() for mapped status Juergen Gross <jgross(a)suse.com> xen/netfront: don't use gnttab_query_foreign_access() for mapped status Juergen Gross <jgross(a)suse.com> xen/blkfront: don't use gnttab_query_foreign_access() for mapped status Juergen Gross <jgross(a)suse.com> xen/grant-table: add gnttab_try_end_foreign_access() Juergen Gross <jgross(a)suse.com> xen/xenbus: don't let xenbus_grant_ring() remove grants in error case Russell King (Oracle) <rmk+kernel(a)armlinux.org.uk> ARM: fix build warning in proc-v7-bugs.c Nathan Chancellor <nathan(a)kernel.org> ARM: Do not use NOCROSSREFS directive with ld.lld Russell King (Oracle) <rmk+kernel(a)armlinux.org.uk> ARM: fix co-processor register typo Emmanuel Gil Peyrot <linkmauve(a)linkmauve.fr> ARM: fix build error when BPF_SYSCALL is disabled James Morse <james.morse(a)arm.com> arm64: proton-pack: Include unprivileged eBPF status in Spectre v2 mitigation reporting James Morse <james.morse(a)arm.com> arm64: Use the clearbhb instruction in mitigations James Morse <james.morse(a)arm.com> KVM: arm64: Allow SMCCC_ARCH_WORKAROUND_3 to be discovered and migrated James Morse <james.morse(a)arm.com> arm64: Mitigate spectre style branch history side channels James Morse <james.morse(a)arm.com> KVM: arm64: Allow indirect vectors to be used without SPECTRE_V3A James Morse <james.morse(a)arm.com> arm64: proton-pack: Report Spectre-BHB vulnerabilities as part of Spectre-v2 James Morse <james.morse(a)arm.com> arm64: Add percpu vectors for EL1 James Morse <james.morse(a)arm.com> arm64: entry: Add macro for reading symbol addresses from the trampoline James Morse <james.morse(a)arm.com> arm64: entry: Add vectors that have the bhb mitigation sequences James Morse <james.morse(a)arm.com> arm64: entry: Add non-kpti __bp_harden_el1_vectors for mitigations James Morse <james.morse(a)arm.com> arm64: entry: Allow the trampoline text to occupy multiple pages James Morse <james.morse(a)arm.com> arm64: entry: Make the kpti trampoline's kpti sequence optional James Morse <james.morse(a)arm.com> arm64: entry: Move trampoline macros out of ifdef'd section James Morse <james.morse(a)arm.com> arm64: entry: Don't assume tramp_vectors is the start of the vectors James Morse <james.morse(a)arm.com> arm64: entry: Allow tramp_alias to access symbols after the 4K boundary James Morse <james.morse(a)arm.com> arm64: entry: Move the trampoline data page before the text page James Morse <james.morse(a)arm.com> arm64: entry: Free up another register on kpti's tramp_exit path James Morse <james.morse(a)arm.com> arm64: entry: Make the trampoline cleanup optional James Morse <james.morse(a)arm.com> arm64: spectre: Rename spectre_v4_patch_fw_mitigation_conduit James Morse <james.morse(a)arm.com> arm64: entry.S: Add ventry overflow sanity checks Joey Gouly <joey.gouly(a)arm.com> arm64: cpufeature: add HWCAP for FEAT_RPRES Joey Gouly <joey.gouly(a)arm.com> arm64: cpufeature: add HWCAP for FEAT_AFP Joey Gouly <joey.gouly(a)arm.com> arm64: add ID_AA64ISAR2_EL1 sys register Marc Zyngier <maz(a)kernel.org> arm64: Add HWCAP for self-synchronising virtual counter Anshuman Khandual <anshuman.khandual(a)arm.com> arm64: Add Cortex-A510 CPU part definition Anshuman Khandual <anshuman.khandual(a)arm.com> arm64: Add Cortex-X2 CPU part definition Suzuki K Poulose <suzuki.poulose(a)arm.com> arm64: Add Neoverse-N2, Cortex-A710 CPU part definition Hector Martin <marcan(a)marcan.st> arm64: cputype: Add CPU implementor & types for the Apple M1 cores Russell King (Oracle) <rmk+kernel(a)armlinux.org.uk> ARM: include unprivileged BPF status in Spectre V2 reporting Russell King (Oracle) <rmk+kernel(a)armlinux.org.uk> ARM: Spectre-BHB workaround Russell King (Oracle) <rmk+kernel(a)armlinux.org.uk> ARM: use LOADADDR() to get load address of sections Russell King (Oracle) <rmk+kernel(a)armlinux.org.uk> ARM: early traps initialisation Russell King (Oracle) <rmk+kernel(a)armlinux.org.uk> ARM: report Spectre v2 status through sysfs Josh Poimboeuf <jpoimboe(a)redhat.com> x86/speculation: Warn about eIBRS + LFENCE + Unprivileged eBPF + SMT Josh Poimboeuf <jpoimboe(a)redhat.com> x86/speculation: Warn about Spectre v2 LFENCE mitigation Kim Phillips <kim.phillips(a)amd.com> x86/speculation: Update link to AMD speculation whitepaper Kim Phillips <kim.phillips(a)amd.com> x86/speculation: Use generic retpoline by default on AMD Josh Poimboeuf <jpoimboe(a)redhat.com> x86/speculation: Include unprivileged eBPF status in Spectre v2 mitigation reporting Peter Zijlstra <peterz(a)infradead.org> Documentation/hw-vuln: Update spectre doc Peter Zijlstra <peterz(a)infradead.org> x86/speculation: Add eIBRS + Retpoline options Peter Zijlstra (Intel) <peterz(a)infradead.org> x86/speculation: Rename RETPOLINE_AMD to RETPOLINE_LFENCE Peter Zijlstra <peterz(a)infradead.org> x86,bugs: Unconditionally allow spectre_v2=retpoline,amd ------------- Diffstat: Documentation/admin-guide/hw-vuln/spectre.rst | 48 ++-- Documentation/admin-guide/kernel-parameters.txt | 8 +- Documentation/arm64/cpu-feature-registers.rst | 29 +- Documentation/arm64/elf_hwcaps.rst | 12 + Makefile | 4 +- arch/arm/include/asm/assembler.h | 10 + arch/arm/include/asm/spectre.h | 32 +++ arch/arm/include/asm/vmlinux.lds.h | 43 ++- arch/arm/kernel/Makefile | 2 + arch/arm/kernel/entry-armv.S | 79 +++++- arch/arm/kernel/entry-common.S | 24 ++ arch/arm/kernel/spectre.c | 71 +++++ arch/arm/kernel/traps.c | 65 ++++- arch/arm/mm/Kconfig | 11 + arch/arm/mm/proc-v7-bugs.c | 208 +++++++++++--- arch/arm64/Kconfig | 9 + arch/arm64/include/asm/assembler.h | 33 +++ arch/arm64/include/asm/cpu.h | 1 + arch/arm64/include/asm/cpucaps.h | 3 +- arch/arm64/include/asm/cpufeature.h | 28 ++ arch/arm64/include/asm/cputype.h | 22 ++ arch/arm64/include/asm/fixmap.h | 6 +- arch/arm64/include/asm/hwcap.h | 3 + arch/arm64/include/asm/insn.h | 1 + arch/arm64/include/asm/kvm_asm.h | 8 + arch/arm64/include/asm/kvm_mmu.h | 3 +- arch/arm64/include/asm/mmu.h | 6 + arch/arm64/include/asm/sections.h | 5 + arch/arm64/include/asm/spectre.h | 4 + arch/arm64/include/asm/sysreg.h | 18 ++ arch/arm64/include/asm/vectors.h | 73 +++++ arch/arm64/include/uapi/asm/hwcap.h | 3 + arch/arm64/include/uapi/asm/kvm.h | 5 + arch/arm64/kernel/cpu_errata.c | 7 + arch/arm64/kernel/cpufeature.c | 28 +- arch/arm64/kernel/cpuinfo.c | 4 + arch/arm64/kernel/entry.S | 213 ++++++++++---- arch/arm64/kernel/proton-pack.c | 359 +++++++++++++++++++++++- arch/arm64/kernel/vmlinux.lds.S | 2 +- arch/arm64/kvm/arm.c | 3 +- arch/arm64/kvm/hyp/hyp-entry.S | 4 + arch/arm64/kvm/hyp/smccc_wa.S | 75 +++++ arch/arm64/kvm/hyp/vhe/switch.c | 9 +- arch/arm64/kvm/hypercalls.c | 12 + arch/arm64/kvm/psci.c | 18 +- arch/arm64/kvm/sys_regs.c | 2 +- arch/arm64/mm/mmu.c | 12 +- arch/x86/include/asm/cpufeatures.h | 2 +- arch/x86/include/asm/nospec-branch.h | 16 +- arch/x86/kernel/cpu/bugs.c | 205 ++++++++++---- drivers/acpi/ec.c | 10 - drivers/acpi/sleep.c | 14 +- drivers/block/xen-blkfront.c | 63 +++-- drivers/net/xen-netfront.c | 54 ++-- drivers/scsi/xen-scsifront.c | 3 +- drivers/xen/gntalloc.c | 25 +- drivers/xen/grant-table.c | 71 ++--- drivers/xen/pvcalls-front.c | 8 +- drivers/xen/xenbus/xenbus_client.c | 24 +- include/linux/arm-smccc.h | 5 + include/linux/bpf.h | 12 + include/xen/grant_table.h | 19 +- kernel/sysctl.c | 7 + net/9p/trans_xen.c | 14 +- tools/arch/x86/include/asm/cpufeatures.h | 2 +- 65 files changed, 1825 insertions(+), 354 deletions(-)

3 years, 6 months

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[PATCH 4.9 00/38] 4.9.306-rc2 review

by Greg Kroah-Hartman

This is the start of the stable review cycle for the 4.9.306 release. There are 38 patches in this series, all will be posted as a response to this one. If anyone has any issues with these being applied, please let me know. Responses should be made by Sat, 12 Mar 2022 14:07:58 +0000. Anything received after that time might be too late. The whole patch series can be found in one patch at: https://www.kernel.org/pub/linux/kernel/v4.x/stable-review/patch-4.9.306-rc… or in the git tree and branch at: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-4.9.y and the diffstat can be found below. thanks, greg k-h ------------- Pseudo-Shortlog of commits: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> Linux 4.9.306-rc2 Juergen Gross <jgross(a)suse.com> xen/netfront: react properly to failing gnttab_end_foreign_access_ref() Juergen Gross <jgross(a)suse.com> xen/gnttab: fix gnttab_end_foreign_access() without page specified Juergen Gross <jgross(a)suse.com> xen: remove gnttab_query_foreign_access() Juergen Gross <jgross(a)suse.com> xen/gntalloc: don't use gnttab_query_foreign_access() Juergen Gross <jgross(a)suse.com> xen/scsifront: don't use gnttab_query_foreign_access() for mapped status Juergen Gross <jgross(a)suse.com> xen/netfront: don't use gnttab_query_foreign_access() for mapped status Juergen Gross <jgross(a)suse.com> xen/blkfront: don't use gnttab_query_foreign_access() for mapped status Juergen Gross <jgross(a)suse.com> xen/grant-table: add gnttab_try_end_foreign_access() Juergen Gross <jgross(a)suse.com> xen/xenbus: don't let xenbus_grant_ring() remove grants in error case Russell King (Oracle) <rmk+kernel(a)armlinux.org.uk> ARM: fix build warning in proc-v7-bugs.c WANG Chao <chao.wang(a)ucloud.cn> x86, modpost: Replace last remnants of RETPOLINE with CONFIG_RETPOLINE Masahiro Yamada <yamada.masahiro(a)socionext.com> x86/build: Fix compiler support check for CONFIG_RETPOLINE Nathan Chancellor <nathan(a)kernel.org> ARM: Do not use NOCROSSREFS directive with ld.lld Russell King (Oracle) <rmk+kernel(a)armlinux.org.uk> ARM: fix co-processor register typo Emmanuel Gil Peyrot <linkmauve(a)linkmauve.fr> ARM: fix build error when BPF_SYSCALL is disabled Russell King (Oracle) <rmk+kernel(a)armlinux.org.uk> ARM: include unprivileged BPF status in Spectre V2 reporting Russell King (Oracle) <rmk+kernel(a)armlinux.org.uk> ARM: Spectre-BHB workaround Russell King (Oracle) <rmk+kernel(a)armlinux.org.uk> ARM: use LOADADDR() to get load address of sections Russell King (Oracle) <rmk+kernel(a)armlinux.org.uk> ARM: early traps initialisation Russell King (Oracle) <rmk+kernel(a)armlinux.org.uk> ARM: report Spectre v2 status through sysfs Mark Rutland <mark.rutland(a)arm.com> arm/arm64: smccc/psci: add arm_smccc_1_1_get_conduit() Steven Price <steven.price(a)arm.com> arm/arm64: Provide a wrapper for SMCCC 1.1 calls Josh Poimboeuf <jpoimboe(a)redhat.com> x86/speculation: Warn about eIBRS + LFENCE + Unprivileged eBPF + SMT Josh Poimboeuf <jpoimboe(a)redhat.com> x86/speculation: Warn about Spectre v2 LFENCE mitigation Kim Phillips <kim.phillips(a)amd.com> x86/speculation: Update link to AMD speculation whitepaper Kim Phillips <kim.phillips(a)amd.com> x86/speculation: Use generic retpoline by default on AMD Josh Poimboeuf <jpoimboe(a)redhat.com> x86/speculation: Include unprivileged eBPF status in Spectre v2 mitigation reporting Peter Zijlstra <peterz(a)infradead.org> Documentation/hw-vuln: Update spectre doc Peter Zijlstra <peterz(a)infradead.org> x86/speculation: Add eIBRS + Retpoline options Peter Zijlstra (Intel) <peterz(a)infradead.org> x86/speculation: Rename RETPOLINE_AMD to RETPOLINE_LFENCE Peter Zijlstra <peterz(a)infradead.org> x86,bugs: Unconditionally allow spectre_v2=retpoline,amd Borislav Petkov <bp(a)suse.de> x86/speculation: Merge one test in spectre_v2_user_select_mitigation() Lukas Bulwahn <lukas.bulwahn(a)gmail.com> Documentation: refer to config RANDOMIZE_BASE for kernel address-space randomization Josh Poimboeuf <jpoimboe(a)redhat.com> Documentation: Add swapgs description to the Spectre v1 documentation Tim Chen <tim.c.chen(a)linux.intel.com> Documentation: Add section about CPU vulnerabilities for Spectre Zhenzhong Duan <zhenzhong.duan(a)oracle.com> x86/retpoline: Remove minimal retpoline support Zhenzhong Duan <zhenzhong.duan(a)oracle.com> x86/retpoline: Make CONFIG_RETPOLINE depend on compiler support Zhenzhong Duan <zhenzhong.duan(a)oracle.com> x86/speculation: Add RETPOLINE_AMD support to the inline asm CALL_NOSPEC variant ------------- Diffstat: Documentation/hw-vuln/index.rst | 1 + Documentation/hw-vuln/spectre.rst | 785 +++++++++++++++++++++++++++++++ Documentation/kernel-parameters.txt | 8 +- Makefile | 4 +- arch/arm/include/asm/assembler.h | 10 + arch/arm/include/asm/spectre.h | 32 ++ arch/arm/kernel/Makefile | 2 + arch/arm/kernel/entry-armv.S | 79 +++- arch/arm/kernel/entry-common.S | 24 + arch/arm/kernel/spectre.c | 71 +++ arch/arm/kernel/traps.c | 65 ++- arch/arm/kernel/vmlinux-xip.lds.S | 45 +- arch/arm/kernel/vmlinux.lds.S | 45 +- arch/arm/mm/Kconfig | 11 + arch/arm/mm/proc-v7-bugs.c | 199 ++++++-- arch/x86/Kconfig | 4 - arch/x86/Makefile | 11 +- arch/x86/include/asm/cpufeatures.h | 2 +- arch/x86/include/asm/nospec-branch.h | 41 +- arch/x86/kernel/cpu/bugs.c | 225 ++++++--- drivers/block/xen-blkfront.c | 67 +-- drivers/firmware/psci.c | 15 + drivers/net/xen-netfront.c | 54 ++- drivers/scsi/xen-scsifront.c | 3 +- drivers/xen/gntalloc.c | 25 +- drivers/xen/grant-table.c | 59 ++- drivers/xen/xenbus/xenbus_client.c | 24 +- include/linux/arm-smccc.h | 74 +++ include/linux/bpf.h | 11 + include/linux/compiler-gcc.h | 2 +- include/linux/module.h | 2 +- include/xen/grant_table.h | 19 +- kernel/sysctl.c | 8 + scripts/mod/modpost.c | 2 +- tools/arch/x86/include/asm/cpufeatures.h | 2 +- 35 files changed, 1763 insertions(+), 268 deletions(-)

3 years, 6 months

7
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[PATCH 4.14 00/31] 4.14.271-rc2 review

by Greg Kroah-Hartman

This is the start of the stable review cycle for the 4.14.271 release. There are 31 patches in this series, all will be posted as a response to this one. If anyone has any issues with these being applied, please let me know. Responses should be made by Sat, 12 Mar 2022 14:07:58 +0000. Anything received after that time might be too late. The whole patch series can be found in one patch at: https://www.kernel.org/pub/linux/kernel/v4.x/stable-review/patch-4.14.271-r… or in the git tree and branch at: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-4.14.y and the diffstat can be found below. thanks, greg k-h ------------- Pseudo-Shortlog of commits: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> Linux 4.14.271-rc2 Juergen Gross <jgross(a)suse.com> xen/netfront: react properly to failing gnttab_end_foreign_access_ref() Juergen Gross <jgross(a)suse.com> xen/gnttab: fix gnttab_end_foreign_access() without page specified Juergen Gross <jgross(a)suse.com> xen/9p: use alloc/free_pages_exact() Juergen Gross <jgross(a)suse.com> xen: remove gnttab_query_foreign_access() Juergen Gross <jgross(a)suse.com> xen/gntalloc: don't use gnttab_query_foreign_access() Juergen Gross <jgross(a)suse.com> xen/scsifront: don't use gnttab_query_foreign_access() for mapped status Juergen Gross <jgross(a)suse.com> xen/netfront: don't use gnttab_query_foreign_access() for mapped status Juergen Gross <jgross(a)suse.com> xen/blkfront: don't use gnttab_query_foreign_access() for mapped status Juergen Gross <jgross(a)suse.com> xen/grant-table: add gnttab_try_end_foreign_access() Juergen Gross <jgross(a)suse.com> xen/xenbus: don't let xenbus_grant_ring() remove grants in error case Russell King (Oracle) <rmk+kernel(a)armlinux.org.uk> ARM: fix build warning in proc-v7-bugs.c Nathan Chancellor <nathan(a)kernel.org> ARM: Do not use NOCROSSREFS directive with ld.lld Russell King (Oracle) <rmk+kernel(a)armlinux.org.uk> ARM: fix co-processor register typo Emmanuel Gil Peyrot <linkmauve(a)linkmauve.fr> ARM: fix build error when BPF_SYSCALL is disabled Russell King (Oracle) <rmk+kernel(a)armlinux.org.uk> ARM: include unprivileged BPF status in Spectre V2 reporting Russell King (Oracle) <rmk+kernel(a)armlinux.org.uk> ARM: Spectre-BHB workaround Russell King (Oracle) <rmk+kernel(a)armlinux.org.uk> ARM: use LOADADDR() to get load address of sections Russell King (Oracle) <rmk+kernel(a)armlinux.org.uk> ARM: early traps initialisation Russell King (Oracle) <rmk+kernel(a)armlinux.org.uk> ARM: report Spectre v2 status through sysfs Mark Rutland <mark.rutland(a)arm.com> arm/arm64: smccc/psci: add arm_smccc_1_1_get_conduit() Steven Price <steven.price(a)arm.com> arm/arm64: Provide a wrapper for SMCCC 1.1 calls Josh Poimboeuf <jpoimboe(a)redhat.com> x86/speculation: Warn about eIBRS + LFENCE + Unprivileged eBPF + SMT Josh Poimboeuf <jpoimboe(a)redhat.com> x86/speculation: Warn about Spectre v2 LFENCE mitigation Kim Phillips <kim.phillips(a)amd.com> x86/speculation: Update link to AMD speculation whitepaper Kim Phillips <kim.phillips(a)amd.com> x86/speculation: Use generic retpoline by default on AMD Josh Poimboeuf <jpoimboe(a)redhat.com> x86/speculation: Include unprivileged eBPF status in Spectre v2 mitigation reporting Peter Zijlstra <peterz(a)infradead.org> Documentation/hw-vuln: Update spectre doc Peter Zijlstra <peterz(a)infradead.org> x86/speculation: Add eIBRS + Retpoline options Peter Zijlstra (Intel) <peterz(a)infradead.org> x86/speculation: Rename RETPOLINE_AMD to RETPOLINE_LFENCE Peter Zijlstra <peterz(a)infradead.org> x86,bugs: Unconditionally allow spectre_v2=retpoline,amd Borislav Petkov <bp(a)suse.de> x86/speculation: Merge one test in spectre_v2_user_select_mitigation() ------------- Diffstat: Documentation/admin-guide/hw-vuln/spectre.rst | 48 ++++-- Documentation/admin-guide/kernel-parameters.txt | 8 +- Makefile | 4 +- arch/arm/include/asm/assembler.h | 10 ++ arch/arm/include/asm/spectre.h | 32 ++++ arch/arm/kernel/Makefile | 2 + arch/arm/kernel/entry-armv.S | 79 ++++++++- arch/arm/kernel/entry-common.S | 24 +++ arch/arm/kernel/spectre.c | 71 ++++++++ arch/arm/kernel/traps.c | 65 ++++++- arch/arm/kernel/vmlinux-xip.lds.S | 45 +++-- arch/arm/kernel/vmlinux.lds.S | 45 +++-- arch/arm/mm/Kconfig | 11 ++ arch/arm/mm/proc-v7-bugs.c | 199 +++++++++++++++++++--- arch/x86/include/asm/cpufeatures.h | 2 +- arch/x86/include/asm/nospec-branch.h | 16 +- arch/x86/kernel/cpu/bugs.c | 214 +++++++++++++++++------- drivers/block/xen-blkfront.c | 67 ++++---- drivers/firmware/psci.c | 15 ++ drivers/net/xen-netfront.c | 54 +++--- drivers/scsi/xen-scsifront.c | 3 +- drivers/xen/gntalloc.c | 25 +-- drivers/xen/grant-table.c | 59 ++++--- drivers/xen/xenbus/xenbus_client.c | 24 ++- include/linux/arm-smccc.h | 74 ++++++++ include/linux/bpf.h | 11 ++ include/xen/grant_table.h | 19 ++- kernel/sysctl.c | 8 + net/9p/trans_xen.c | 14 +- tools/arch/x86/include/asm/cpufeatures.h | 2 +- 30 files changed, 986 insertions(+), 264 deletions(-)

3 years, 6 months

4
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[PATCH 4.19 00/33] 4.19.234-rc2 review

by Greg Kroah-Hartman

This is the start of the stable review cycle for the 4.19.234 release. There are 33 patches in this series, all will be posted as a response to this one. If anyone has any issues with these being applied, please let me know. Responses should be made by Sat, 12 Mar 2022 14:07:58 +0000. Anything received after that time might be too late. The whole patch series can be found in one patch at: https://www.kernel.org/pub/linux/kernel/v4.x/stable-review/patch-4.19.234-r… or in the git tree and branch at: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-4.19.y and the diffstat can be found below. thanks, greg k-h ------------- Pseudo-Shortlog of commits: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> Linux 4.19.234-rc2 Juergen Gross <jgross(a)suse.com> xen/netfront: react properly to failing gnttab_end_foreign_access_ref() Juergen Gross <jgross(a)suse.com> xen/gnttab: fix gnttab_end_foreign_access() without page specified Juergen Gross <jgross(a)suse.com> xen/pvcalls: use alloc/free_pages_exact() Juergen Gross <jgross(a)suse.com> xen/9p: use alloc/free_pages_exact() Juergen Gross <jgross(a)suse.com> xen: remove gnttab_query_foreign_access() Juergen Gross <jgross(a)suse.com> xen/gntalloc: don't use gnttab_query_foreign_access() Juergen Gross <jgross(a)suse.com> xen/scsifront: don't use gnttab_query_foreign_access() for mapped status Juergen Gross <jgross(a)suse.com> xen/netfront: don't use gnttab_query_foreign_access() for mapped status Juergen Gross <jgross(a)suse.com> xen/blkfront: don't use gnttab_query_foreign_access() for mapped status Juergen Gross <jgross(a)suse.com> xen/grant-table: add gnttab_try_end_foreign_access() Juergen Gross <jgross(a)suse.com> xen/xenbus: don't let xenbus_grant_ring() remove grants in error case Russell King (Oracle) <rmk+kernel(a)armlinux.org.uk> ARM: fix build warning in proc-v7-bugs.c Nathan Chancellor <nathan(a)kernel.org> ARM: Do not use NOCROSSREFS directive with ld.lld Russell King (Oracle) <rmk+kernel(a)armlinux.org.uk> ARM: fix co-processor register typo Sami Tolvanen <samitolvanen(a)google.com> kbuild: add CONFIG_LD_IS_LLD Emmanuel Gil Peyrot <linkmauve(a)linkmauve.fr> ARM: fix build error when BPF_SYSCALL is disabled Russell King (Oracle) <rmk+kernel(a)armlinux.org.uk> ARM: include unprivileged BPF status in Spectre V2 reporting Russell King (Oracle) <rmk+kernel(a)armlinux.org.uk> ARM: Spectre-BHB workaround Russell King (Oracle) <rmk+kernel(a)armlinux.org.uk> ARM: use LOADADDR() to get load address of sections Russell King (Oracle) <rmk+kernel(a)armlinux.org.uk> ARM: early traps initialisation Russell King (Oracle) <rmk+kernel(a)armlinux.org.uk> ARM: report Spectre v2 status through sysfs Mark Rutland <mark.rutland(a)arm.com> arm/arm64: smccc/psci: add arm_smccc_1_1_get_conduit() Steven Price <steven.price(a)arm.com> arm/arm64: Provide a wrapper for SMCCC 1.1 calls Josh Poimboeuf <jpoimboe(a)redhat.com> x86/speculation: Warn about eIBRS + LFENCE + Unprivileged eBPF + SMT Josh Poimboeuf <jpoimboe(a)redhat.com> x86/speculation: Warn about Spectre v2 LFENCE mitigation Kim Phillips <kim.phillips(a)amd.com> x86/speculation: Update link to AMD speculation whitepaper Kim Phillips <kim.phillips(a)amd.com> x86/speculation: Use generic retpoline by default on AMD Josh Poimboeuf <jpoimboe(a)redhat.com> x86/speculation: Include unprivileged eBPF status in Spectre v2 mitigation reporting Peter Zijlstra <peterz(a)infradead.org> Documentation/hw-vuln: Update spectre doc Peter Zijlstra <peterz(a)infradead.org> x86/speculation: Add eIBRS + Retpoline options Peter Zijlstra (Intel) <peterz(a)infradead.org> x86/speculation: Rename RETPOLINE_AMD to RETPOLINE_LFENCE Peter Zijlstra <peterz(a)infradead.org> x86,bugs: Unconditionally allow spectre_v2=retpoline,amd Borislav Petkov <bp(a)suse.de> x86/speculation: Merge one test in spectre_v2_user_select_mitigation() ------------- Diffstat: Documentation/admin-guide/hw-vuln/spectre.rst | 48 ++++-- Documentation/admin-guide/kernel-parameters.txt | 8 +- Makefile | 4 +- arch/arm/include/asm/assembler.h | 10 ++ arch/arm/include/asm/spectre.h | 32 ++++ arch/arm/kernel/Makefile | 2 + arch/arm/kernel/entry-armv.S | 79 ++++++++- arch/arm/kernel/entry-common.S | 24 +++ arch/arm/kernel/spectre.c | 71 ++++++++ arch/arm/kernel/traps.c | 65 ++++++- arch/arm/kernel/vmlinux.lds.h | 43 ++++- arch/arm/mm/Kconfig | 11 ++ arch/arm/mm/proc-v7-bugs.c | 201 +++++++++++++++++++--- arch/x86/include/asm/cpufeatures.h | 2 +- arch/x86/include/asm/nospec-branch.h | 16 +- arch/x86/kernel/cpu/bugs.c | 214 +++++++++++++++++------- drivers/block/xen-blkfront.c | 63 ++++--- drivers/firmware/psci.c | 15 ++ drivers/net/xen-netfront.c | 54 +++--- drivers/scsi/xen-scsifront.c | 3 +- drivers/xen/gntalloc.c | 25 +-- drivers/xen/grant-table.c | 71 ++++---- drivers/xen/pvcalls-front.c | 8 +- drivers/xen/xenbus/xenbus_client.c | 24 ++- include/linux/arm-smccc.h | 74 ++++++++ include/linux/bpf.h | 11 ++ include/xen/grant_table.h | 19 ++- init/Kconfig | 3 + kernel/sysctl.c | 8 + net/9p/trans_xen.c | 14 +- tools/arch/x86/include/asm/cpufeatures.h | 2 +- 31 files changed, 963 insertions(+), 261 deletions(-)

3 years, 6 months

7
6
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[PATCH 5.4 00/33] 5.4.184-rc2 review

by Greg Kroah-Hartman

This is the start of the stable review cycle for the 5.4.184 release. There are 33 patches in this series, all will be posted as a response to this one. If anyone has any issues with these being applied, please let me know. Responses should be made by Sat, 12 Mar 2022 14:07:58 +0000. Anything received after that time might be too late. The whole patch series can be found in one patch at: https://www.kernel.org/pub/linux/kernel/v5.x/stable-review/patch-5.4.184-rc… or in the git tree and branch at: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.4.y and the diffstat can be found below. thanks, greg k-h ------------- Pseudo-Shortlog of commits: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> Linux 5.4.184-rc2 Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> Revert "ACPI: PM: s2idle: Cancel wakeup before dispatching EC GPE" Juergen Gross <jgross(a)suse.com> xen/netfront: react properly to failing gnttab_end_foreign_access_ref() Juergen Gross <jgross(a)suse.com> xen/gnttab: fix gnttab_end_foreign_access() without page specified Juergen Gross <jgross(a)suse.com> xen/pvcalls: use alloc/free_pages_exact() Juergen Gross <jgross(a)suse.com> xen/9p: use alloc/free_pages_exact() Juergen Gross <jgross(a)suse.com> xen: remove gnttab_query_foreign_access() Juergen Gross <jgross(a)suse.com> xen/gntalloc: don't use gnttab_query_foreign_access() Juergen Gross <jgross(a)suse.com> xen/scsifront: don't use gnttab_query_foreign_access() for mapped status Juergen Gross <jgross(a)suse.com> xen/netfront: don't use gnttab_query_foreign_access() for mapped status Juergen Gross <jgross(a)suse.com> xen/blkfront: don't use gnttab_query_foreign_access() for mapped status Juergen Gross <jgross(a)suse.com> xen/grant-table: add gnttab_try_end_foreign_access() Juergen Gross <jgross(a)suse.com> xen/xenbus: don't let xenbus_grant_ring() remove grants in error case Russell King (Oracle) <rmk+kernel(a)armlinux.org.uk> ARM: fix build warning in proc-v7-bugs.c Nathan Chancellor <nathan(a)kernel.org> ARM: Do not use NOCROSSREFS directive with ld.lld Russell King (Oracle) <rmk+kernel(a)armlinux.org.uk> ARM: fix co-processor register typo Emmanuel Gil Peyrot <linkmauve(a)linkmauve.fr> ARM: fix build error when BPF_SYSCALL is disabled Russell King (Oracle) <rmk+kernel(a)armlinux.org.uk> ARM: include unprivileged BPF status in Spectre V2 reporting Russell King (Oracle) <rmk+kernel(a)armlinux.org.uk> ARM: Spectre-BHB workaround Russell King (Oracle) <rmk+kernel(a)armlinux.org.uk> ARM: use LOADADDR() to get load address of sections Russell King (Oracle) <rmk+kernel(a)armlinux.org.uk> ARM: early traps initialisation Russell King (Oracle) <rmk+kernel(a)armlinux.org.uk> ARM: report Spectre v2 status through sysfs Mark Rutland <mark.rutland(a)arm.com> arm/arm64: smccc/psci: add arm_smccc_1_1_get_conduit() Steven Price <steven.price(a)arm.com> arm/arm64: Provide a wrapper for SMCCC 1.1 calls Josh Poimboeuf <jpoimboe(a)redhat.com> x86/speculation: Warn about eIBRS + LFENCE + Unprivileged eBPF + SMT Josh Poimboeuf <jpoimboe(a)redhat.com> x86/speculation: Warn about Spectre v2 LFENCE mitigation Kim Phillips <kim.phillips(a)amd.com> x86/speculation: Update link to AMD speculation whitepaper Kim Phillips <kim.phillips(a)amd.com> x86/speculation: Use generic retpoline by default on AMD Josh Poimboeuf <jpoimboe(a)redhat.com> x86/speculation: Include unprivileged eBPF status in Spectre v2 mitigation reporting Peter Zijlstra <peterz(a)infradead.org> Documentation/hw-vuln: Update spectre doc Peter Zijlstra <peterz(a)infradead.org> x86/speculation: Add eIBRS + Retpoline options Peter Zijlstra (Intel) <peterz(a)infradead.org> x86/speculation: Rename RETPOLINE_AMD to RETPOLINE_LFENCE Peter Zijlstra <peterz(a)infradead.org> x86,bugs: Unconditionally allow spectre_v2=retpoline,amd Borislav Petkov <bp(a)suse.de> x86/speculation: Merge one test in spectre_v2_user_select_mitigation() ------------- Diffstat: Documentation/admin-guide/hw-vuln/spectre.rst | 48 ++++-- Documentation/admin-guide/kernel-parameters.txt | 8 +- Makefile | 4 +- arch/arm/include/asm/assembler.h | 10 ++ arch/arm/include/asm/spectre.h | 32 ++++ arch/arm/kernel/Makefile | 2 + arch/arm/kernel/entry-armv.S | 79 ++++++++- arch/arm/kernel/entry-common.S | 24 +++ arch/arm/kernel/spectre.c | 71 ++++++++ arch/arm/kernel/traps.c | 65 ++++++- arch/arm/kernel/vmlinux.lds.h | 43 ++++- arch/arm/mm/Kconfig | 11 ++ arch/arm/mm/proc-v7-bugs.c | 200 +++++++++++++++++++--- arch/x86/include/asm/cpufeatures.h | 2 +- arch/x86/include/asm/nospec-branch.h | 16 +- arch/x86/kernel/cpu/bugs.c | 216 +++++++++++++++++------- drivers/acpi/ec.c | 10 -- drivers/acpi/sleep.c | 14 +- drivers/block/xen-blkfront.c | 63 ++++--- drivers/firmware/psci/psci.c | 15 ++ drivers/net/xen-netfront.c | 54 +++--- drivers/scsi/xen-scsifront.c | 3 +- drivers/xen/gntalloc.c | 25 +-- drivers/xen/grant-table.c | 71 ++++---- drivers/xen/pvcalls-front.c | 8 +- drivers/xen/xenbus/xenbus_client.c | 24 ++- include/linux/arm-smccc.h | 74 ++++++++ include/linux/bpf.h | 12 ++ include/xen/grant_table.h | 19 ++- kernel/sysctl.c | 8 + net/9p/trans_xen.c | 14 +- tools/arch/x86/include/asm/cpufeatures.h | 2 +- 32 files changed, 970 insertions(+), 277 deletions(-)

3 years, 6 months

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[PATCH 5.16 00/53] 5.16.14-rc2 review

by Greg Kroah-Hartman

Note, I'm sending all the patches again for all of the -rc2 releases as there has been a lot of churn from what was in -rc1 to -rc2. This is the start of the stable review cycle for the 5.16.14 release. There are 53 patches in this series, all will be posted as a response to this one. If anyone has any issues with these being applied, please let me know. Responses should be made by Sat, 12 Mar 2022 14:07:58 +0000. Anything received after that time might be too late. The whole patch series can be found in one patch at: https://www.kernel.org/pub/linux/kernel/v5.x/stable-review/patch-5.16.14-rc… or in the git tree and branch at: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.16.y and the diffstat can be found below. thanks, greg k-h ------------- Pseudo-Shortlog of commits: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> Linux 5.16.14-rc2 Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> Revert "ACPI: PM: s2idle: Cancel wakeup before dispatching EC GPE" Juergen Gross <jgross(a)suse.com> xen/netfront: react properly to failing gnttab_end_foreign_access_ref() Juergen Gross <jgross(a)suse.com> xen/gnttab: fix gnttab_end_foreign_access() without page specified Juergen Gross <jgross(a)suse.com> xen/pvcalls: use alloc/free_pages_exact() Juergen Gross <jgross(a)suse.com> xen/9p: use alloc/free_pages_exact() Juergen Gross <jgross(a)suse.com> xen: remove gnttab_query_foreign_access() Juergen Gross <jgross(a)suse.com> xen/gntalloc: don't use gnttab_query_foreign_access() Juergen Gross <jgross(a)suse.com> xen/scsifront: don't use gnttab_query_foreign_access() for mapped status Juergen Gross <jgross(a)suse.com> xen/netfront: don't use gnttab_query_foreign_access() for mapped status Juergen Gross <jgross(a)suse.com> xen/blkfront: don't use gnttab_query_foreign_access() for mapped status Juergen Gross <jgross(a)suse.com> xen/grant-table: add gnttab_try_end_foreign_access() Juergen Gross <jgross(a)suse.com> xen/xenbus: don't let xenbus_grant_ring() remove grants in error case Russell King (Oracle) <rmk+kernel(a)armlinux.org.uk> ARM: fix build warning in proc-v7-bugs.c Nathan Chancellor <nathan(a)kernel.org> arm64: Do not include __READ_ONCE() block in assembly files Nathan Chancellor <nathan(a)kernel.org> ARM: Do not use NOCROSSREFS directive with ld.lld Russell King (Oracle) <rmk+kernel(a)armlinux.org.uk> ARM: fix co-processor register typo Emmanuel Gil Peyrot <linkmauve(a)linkmauve.fr> ARM: fix build error when BPF_SYSCALL is disabled James Morse <james.morse(a)arm.com> arm64: proton-pack: Include unprivileged eBPF status in Spectre v2 mitigation reporting James Morse <james.morse(a)arm.com> arm64: Use the clearbhb instruction in mitigations James Morse <james.morse(a)arm.com> KVM: arm64: Allow SMCCC_ARCH_WORKAROUND_3 to be discovered and migrated James Morse <james.morse(a)arm.com> arm64: Mitigate spectre style branch history side channels James Morse <james.morse(a)arm.com> arm64: proton-pack: Report Spectre-BHB vulnerabilities as part of Spectre-v2 James Morse <james.morse(a)arm.com> arm64: Add percpu vectors for EL1 James Morse <james.morse(a)arm.com> arm64: entry: Add macro for reading symbol addresses from the trampoline James Morse <james.morse(a)arm.com> arm64: entry: Add vectors that have the bhb mitigation sequences James Morse <james.morse(a)arm.com> arm64: entry: Add non-kpti __bp_harden_el1_vectors for mitigations James Morse <james.morse(a)arm.com> arm64: entry: Allow the trampoline text to occupy multiple pages James Morse <james.morse(a)arm.com> arm64: entry: Make the kpti trampoline's kpti sequence optional James Morse <james.morse(a)arm.com> arm64: entry: Move trampoline macros out of ifdef'd section James Morse <james.morse(a)arm.com> arm64: entry: Don't assume tramp_vectors is the start of the vectors James Morse <james.morse(a)arm.com> arm64: entry: Allow tramp_alias to access symbols after the 4K boundary James Morse <james.morse(a)arm.com> arm64: entry: Move the trampoline data page before the text page James Morse <james.morse(a)arm.com> arm64: entry: Free up another register on kpti's tramp_exit path James Morse <james.morse(a)arm.com> arm64: entry: Make the trampoline cleanup optional James Morse <james.morse(a)arm.com> KVM: arm64: Allow indirect vectors to be used without SPECTRE_V3A James Morse <james.morse(a)arm.com> arm64: spectre: Rename spectre_v4_patch_fw_mitigation_conduit James Morse <james.morse(a)arm.com> arm64: entry.S: Add ventry overflow sanity checks Joey Gouly <joey.gouly(a)arm.com> arm64: cpufeature: add HWCAP for FEAT_RPRES Joey Gouly <joey.gouly(a)arm.com> arm64: cpufeature: add HWCAP for FEAT_AFP Joey Gouly <joey.gouly(a)arm.com> arm64: add ID_AA64ISAR2_EL1 sys register Russell King (Oracle) <rmk+kernel(a)armlinux.org.uk> ARM: include unprivileged BPF status in Spectre V2 reporting Russell King (Oracle) <rmk+kernel(a)armlinux.org.uk> ARM: Spectre-BHB workaround Russell King (Oracle) <rmk+kernel(a)armlinux.org.uk> ARM: use LOADADDR() to get load address of sections Russell King (Oracle) <rmk+kernel(a)armlinux.org.uk> ARM: early traps initialisation Russell King (Oracle) <rmk+kernel(a)armlinux.org.uk> ARM: report Spectre v2 status through sysfs Josh Poimboeuf <jpoimboe(a)redhat.com> x86/speculation: Warn about eIBRS + LFENCE + Unprivileged eBPF + SMT Josh Poimboeuf <jpoimboe(a)redhat.com> x86/speculation: Warn about Spectre v2 LFENCE mitigation Kim Phillips <kim.phillips(a)amd.com> x86/speculation: Update link to AMD speculation whitepaper Kim Phillips <kim.phillips(a)amd.com> x86/speculation: Use generic retpoline by default on AMD Josh Poimboeuf <jpoimboe(a)redhat.com> x86/speculation: Include unprivileged eBPF status in Spectre v2 mitigation reporting Peter Zijlstra <peterz(a)infradead.org> Documentation/hw-vuln: Update spectre doc Peter Zijlstra <peterz(a)infradead.org> x86/speculation: Add eIBRS + Retpoline options Peter Zijlstra (Intel) <peterz(a)infradead.org> x86/speculation: Rename RETPOLINE_AMD to RETPOLINE_LFENCE ------------- Diffstat: Documentation/admin-guide/hw-vuln/spectre.rst | 50 +-- Documentation/admin-guide/kernel-parameters.txt | 8 +- Documentation/arm64/cpu-feature-registers.rst | 17 ++ Documentation/arm64/elf_hwcaps.rst | 8 + Makefile | 4 +- arch/arm/include/asm/assembler.h | 10 + arch/arm/include/asm/spectre.h | 32 ++ arch/arm/include/asm/vmlinux.lds.h | 43 ++- arch/arm/kernel/Makefile | 2 + arch/arm/kernel/entry-armv.S | 79 ++++- arch/arm/kernel/entry-common.S | 24 ++ arch/arm/kernel/spectre.c | 71 +++++ arch/arm/kernel/traps.c | 65 +++- arch/arm/mm/Kconfig | 11 + arch/arm/mm/proc-v7-bugs.c | 208 ++++++++++--- arch/arm64/Kconfig | 9 + arch/arm64/include/asm/assembler.h | 53 ++++ arch/arm64/include/asm/cpu.h | 1 + arch/arm64/include/asm/cpufeature.h | 29 ++ arch/arm64/include/asm/cputype.h | 8 + arch/arm64/include/asm/fixmap.h | 6 +- arch/arm64/include/asm/hwcap.h | 2 + arch/arm64/include/asm/insn.h | 1 + arch/arm64/include/asm/kvm_host.h | 5 + arch/arm64/include/asm/rwonce.h | 4 +- arch/arm64/include/asm/sections.h | 5 + arch/arm64/include/asm/spectre.h | 4 + arch/arm64/include/asm/sysreg.h | 18 ++ arch/arm64/include/asm/vectors.h | 73 +++++ arch/arm64/include/uapi/asm/hwcap.h | 2 + arch/arm64/include/uapi/asm/kvm.h | 5 + arch/arm64/kernel/cpu_errata.c | 7 + arch/arm64/kernel/cpufeature.c | 25 ++ arch/arm64/kernel/cpuinfo.c | 3 + arch/arm64/kernel/entry.S | 214 +++++++++---- arch/arm64/kernel/image-vars.h | 4 + arch/arm64/kernel/proton-pack.c | 391 +++++++++++++++++++++++- arch/arm64/kernel/vmlinux.lds.S | 2 +- arch/arm64/kvm/arm.c | 5 +- arch/arm64/kvm/hyp/hyp-entry.S | 9 + arch/arm64/kvm/hyp/nvhe/mm.c | 4 +- arch/arm64/kvm/hyp/vhe/switch.c | 9 +- arch/arm64/kvm/hypercalls.c | 12 + arch/arm64/kvm/psci.c | 18 +- arch/arm64/kvm/sys_regs.c | 2 +- arch/arm64/mm/mmu.c | 12 +- arch/arm64/tools/cpucaps | 1 + arch/x86/include/asm/cpufeatures.h | 2 +- arch/x86/include/asm/nospec-branch.h | 16 +- arch/x86/kernel/alternative.c | 8 +- arch/x86/kernel/cpu/bugs.c | 204 ++++++++++--- arch/x86/lib/retpoline.S | 2 +- arch/x86/net/bpf_jit_comp.c | 2 +- drivers/acpi/ec.c | 10 - drivers/acpi/sleep.c | 14 +- drivers/block/xen-blkfront.c | 63 ++-- drivers/net/xen-netfront.c | 54 ++-- drivers/scsi/xen-scsifront.c | 3 +- drivers/xen/gntalloc.c | 25 +- drivers/xen/grant-table.c | 71 +++-- drivers/xen/pvcalls-front.c | 8 +- drivers/xen/xenbus/xenbus_client.c | 24 +- include/linux/arm-smccc.h | 5 + include/linux/bpf.h | 12 + include/xen/grant_table.h | 19 +- kernel/sysctl.c | 7 + net/9p/trans_xen.c | 14 +- tools/arch/x86/include/asm/cpufeatures.h | 2 +- 68 files changed, 1782 insertions(+), 358 deletions(-)

3 years, 6 months

12
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[PATCH 5.15 00/58] 5.15.28-rc2 review

by Greg Kroah-Hartman

This is the start of the stable review cycle for the 5.15.28 release. There are 58 patches in this series, all will be posted as a response to this one. If anyone has any issues with these being applied, please let me know. Responses should be made by Sat, 12 Mar 2022 14:07:58 +0000. Anything received after that time might be too late. The whole patch series can be found in one patch at: https://www.kernel.org/pub/linux/kernel/v5.x/stable-review/patch-5.15.28-rc… or in the git tree and branch at: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.15.y and the diffstat can be found below. thanks, greg k-h ------------- Pseudo-Shortlog of commits: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> Linux 5.15.28-rc2 Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> Revert "ACPI: PM: s2idle: Cancel wakeup before dispatching EC GPE" Juergen Gross <jgross(a)suse.com> xen/netfront: react properly to failing gnttab_end_foreign_access_ref() Juergen Gross <jgross(a)suse.com> xen/gnttab: fix gnttab_end_foreign_access() without page specified Juergen Gross <jgross(a)suse.com> xen/pvcalls: use alloc/free_pages_exact() Juergen Gross <jgross(a)suse.com> xen/9p: use alloc/free_pages_exact() Juergen Gross <jgross(a)suse.com> xen: remove gnttab_query_foreign_access() Juergen Gross <jgross(a)suse.com> xen/gntalloc: don't use gnttab_query_foreign_access() Juergen Gross <jgross(a)suse.com> xen/scsifront: don't use gnttab_query_foreign_access() for mapped status Juergen Gross <jgross(a)suse.com> xen/netfront: don't use gnttab_query_foreign_access() for mapped status Juergen Gross <jgross(a)suse.com> xen/blkfront: don't use gnttab_query_foreign_access() for mapped status Juergen Gross <jgross(a)suse.com> xen/grant-table: add gnttab_try_end_foreign_access() Juergen Gross <jgross(a)suse.com> xen/xenbus: don't let xenbus_grant_ring() remove grants in error case Russell King (Oracle) <rmk+kernel(a)armlinux.org.uk> ARM: fix build warning in proc-v7-bugs.c Nathan Chancellor <nathan(a)kernel.org> arm64: Do not include __READ_ONCE() block in assembly files Nathan Chancellor <nathan(a)kernel.org> ARM: Do not use NOCROSSREFS directive with ld.lld Russell King (Oracle) <rmk+kernel(a)armlinux.org.uk> ARM: fix co-processor register typo Emmanuel Gil Peyrot <linkmauve(a)linkmauve.fr> ARM: fix build error when BPF_SYSCALL is disabled James Morse <james.morse(a)arm.com> arm64: proton-pack: Include unprivileged eBPF status in Spectre v2 mitigation reporting James Morse <james.morse(a)arm.com> arm64: Use the clearbhb instruction in mitigations James Morse <james.morse(a)arm.com> KVM: arm64: Allow SMCCC_ARCH_WORKAROUND_3 to be discovered and migrated James Morse <james.morse(a)arm.com> arm64: Mitigate spectre style branch history side channels James Morse <james.morse(a)arm.com> arm64: proton-pack: Report Spectre-BHB vulnerabilities as part of Spectre-v2 James Morse <james.morse(a)arm.com> arm64: Add percpu vectors for EL1 James Morse <james.morse(a)arm.com> arm64: entry: Add macro for reading symbol addresses from the trampoline James Morse <james.morse(a)arm.com> arm64: entry: Add vectors that have the bhb mitigation sequences James Morse <james.morse(a)arm.com> arm64: entry: Add non-kpti __bp_harden_el1_vectors for mitigations James Morse <james.morse(a)arm.com> arm64: entry: Allow the trampoline text to occupy multiple pages James Morse <james.morse(a)arm.com> arm64: entry: Make the kpti trampoline's kpti sequence optional James Morse <james.morse(a)arm.com> arm64: entry: Move trampoline macros out of ifdef'd section James Morse <james.morse(a)arm.com> arm64: entry: Don't assume tramp_vectors is the start of the vectors James Morse <james.morse(a)arm.com> arm64: entry: Allow tramp_alias to access symbols after the 4K boundary James Morse <james.morse(a)arm.com> arm64: entry: Move the trampoline data page before the text page James Morse <james.morse(a)arm.com> arm64: entry: Free up another register on kpti's tramp_exit path James Morse <james.morse(a)arm.com> arm64: entry: Make the trampoline cleanup optional James Morse <james.morse(a)arm.com> KVM: arm64: Allow indirect vectors to be used without SPECTRE_V3A James Morse <james.morse(a)arm.com> arm64: spectre: Rename spectre_v4_patch_fw_mitigation_conduit James Morse <james.morse(a)arm.com> arm64: entry.S: Add ventry overflow sanity checks Joey Gouly <joey.gouly(a)arm.com> arm64: cpufeature: add HWCAP for FEAT_RPRES Joey Gouly <joey.gouly(a)arm.com> arm64: cpufeature: add HWCAP for FEAT_AFP Joey Gouly <joey.gouly(a)arm.com> arm64: add ID_AA64ISAR2_EL1 sys register Anshuman Khandual <anshuman.khandual(a)arm.com> arm64: Add Cortex-X2 CPU part definition Marc Zyngier <maz(a)kernel.org> arm64: Add HWCAP for self-synchronising virtual counter Suzuki K Poulose <suzuki.poulose(a)arm.com> arm64: Add Neoverse-N2, Cortex-A710 CPU part definition Russell King (Oracle) <rmk+kernel(a)armlinux.org.uk> ARM: include unprivileged BPF status in Spectre V2 reporting Russell King (Oracle) <rmk+kernel(a)armlinux.org.uk> ARM: Spectre-BHB workaround Russell King (Oracle) <rmk+kernel(a)armlinux.org.uk> ARM: use LOADADDR() to get load address of sections Russell King (Oracle) <rmk+kernel(a)armlinux.org.uk> ARM: early traps initialisation Russell King (Oracle) <rmk+kernel(a)armlinux.org.uk> ARM: report Spectre v2 status through sysfs Josh Poimboeuf <jpoimboe(a)redhat.com> x86/speculation: Warn about eIBRS + LFENCE + Unprivileged eBPF + SMT Josh Poimboeuf <jpoimboe(a)redhat.com> x86/speculation: Warn about Spectre v2 LFENCE mitigation Kim Phillips <kim.phillips(a)amd.com> x86/speculation: Update link to AMD speculation whitepaper Kim Phillips <kim.phillips(a)amd.com> x86/speculation: Use generic retpoline by default on AMD Josh Poimboeuf <jpoimboe(a)redhat.com> x86/speculation: Include unprivileged eBPF status in Spectre v2 mitigation reporting Peter Zijlstra <peterz(a)infradead.org> Documentation/hw-vuln: Update spectre doc Peter Zijlstra <peterz(a)infradead.org> x86/speculation: Add eIBRS + Retpoline options Peter Zijlstra (Intel) <peterz(a)infradead.org> x86/speculation: Rename RETPOLINE_AMD to RETPOLINE_LFENCE Peter Zijlstra <peterz(a)infradead.org> x86,bugs: Unconditionally allow spectre_v2=retpoline,amd Huang Pei <huangpei(a)loongson.cn> slip: fix macro redefine warning ------------- Diffstat: Documentation/admin-guide/hw-vuln/spectre.rst | 48 ++- Documentation/admin-guide/kernel-parameters.txt | 8 +- Documentation/arm64/cpu-feature-registers.rst | 29 +- Documentation/arm64/elf_hwcaps.rst | 12 + Makefile | 4 +- arch/arm/include/asm/assembler.h | 10 + arch/arm/include/asm/spectre.h | 32 ++ arch/arm/include/asm/vmlinux.lds.h | 43 ++- arch/arm/kernel/Makefile | 2 + arch/arm/kernel/entry-armv.S | 79 ++++- arch/arm/kernel/entry-common.S | 24 ++ arch/arm/kernel/spectre.c | 71 +++++ arch/arm/kernel/traps.c | 65 +++- arch/arm/mm/Kconfig | 11 + arch/arm/mm/proc-v7-bugs.c | 208 ++++++++++--- arch/arm64/Kconfig | 9 + arch/arm64/include/asm/assembler.h | 53 ++++ arch/arm64/include/asm/cpu.h | 1 + arch/arm64/include/asm/cpufeature.h | 29 ++ arch/arm64/include/asm/cputype.h | 14 + arch/arm64/include/asm/fixmap.h | 6 +- arch/arm64/include/asm/hwcap.h | 3 + arch/arm64/include/asm/insn.h | 1 + arch/arm64/include/asm/kvm_host.h | 5 + arch/arm64/include/asm/rwonce.h | 4 +- arch/arm64/include/asm/sections.h | 5 + arch/arm64/include/asm/spectre.h | 4 + arch/arm64/include/asm/sysreg.h | 18 ++ arch/arm64/include/asm/vectors.h | 73 +++++ arch/arm64/include/uapi/asm/hwcap.h | 3 + arch/arm64/include/uapi/asm/kvm.h | 5 + arch/arm64/kernel/cpu_errata.c | 7 + arch/arm64/kernel/cpufeature.c | 28 +- arch/arm64/kernel/cpuinfo.c | 4 + arch/arm64/kernel/entry.S | 214 +++++++++---- arch/arm64/kernel/image-vars.h | 4 + arch/arm64/kernel/proton-pack.c | 391 +++++++++++++++++++++++- arch/arm64/kernel/vmlinux.lds.S | 2 +- arch/arm64/kvm/arm.c | 5 +- arch/arm64/kvm/hyp/hyp-entry.S | 9 + arch/arm64/kvm/hyp/nvhe/mm.c | 4 +- arch/arm64/kvm/hyp/vhe/switch.c | 9 +- arch/arm64/kvm/hypercalls.c | 12 + arch/arm64/kvm/psci.c | 18 +- arch/arm64/kvm/sys_regs.c | 2 +- arch/arm64/mm/mmu.c | 12 +- arch/arm64/tools/cpucaps | 1 + arch/x86/include/asm/cpufeatures.h | 2 +- arch/x86/include/asm/nospec-branch.h | 16 +- arch/x86/kernel/cpu/bugs.c | 205 +++++++++---- arch/x86/lib/retpoline.S | 2 +- drivers/acpi/ec.c | 10 - drivers/acpi/sleep.c | 14 +- drivers/block/xen-blkfront.c | 63 ++-- drivers/net/slip/slip.h | 2 + drivers/net/xen-netfront.c | 54 ++-- drivers/scsi/xen-scsifront.c | 3 +- drivers/xen/gntalloc.c | 25 +- drivers/xen/grant-table.c | 71 +++-- drivers/xen/pvcalls-front.c | 8 +- drivers/xen/xenbus/xenbus_client.c | 24 +- include/linux/arm-smccc.h | 5 + include/linux/bpf.h | 12 + include/xen/grant_table.h | 19 +- kernel/sysctl.c | 7 + net/9p/trans_xen.c | 14 +- tools/arch/x86/include/asm/cpufeatures.h | 2 +- 67 files changed, 1800 insertions(+), 359 deletions(-)

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[PATCH 4.19 00/18] 4.19.234-rc1 review

by Greg Kroah-Hartman

This is the start of the stable review cycle for the 4.19.234 release. There are 18 patches in this series, all will be posted as a response to this one. If anyone has any issues with these being applied, please let me know. Responses should be made by Fri, 11 Mar 2022 15:58:48 +0000. Anything received after that time might be too late. The whole patch series can be found in one patch at: https://www.kernel.org/pub/linux/kernel/v4.x/stable-review/patch-4.19.234-r… or in the git tree and branch at: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-4.19.y and the diffstat can be found below. thanks, greg k-h ------------- Pseudo-Shortlog of commits: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> Linux 4.19.234-rc1 Emmanuel Gil Peyrot <linkmauve(a)linkmauve.fr> ARM: fix build error when BPF_SYSCALL is disabled Russell King (Oracle) <rmk+kernel(a)armlinux.org.uk> ARM: include unprivileged BPF status in Spectre V2 reporting Russell King (Oracle) <rmk+kernel(a)armlinux.org.uk> ARM: Spectre-BHB workaround Russell King (Oracle) <rmk+kernel(a)armlinux.org.uk> ARM: use LOADADDR() to get load address of sections Russell King (Oracle) <rmk+kernel(a)armlinux.org.uk> ARM: early traps initialisation Russell King (Oracle) <rmk+kernel(a)armlinux.org.uk> ARM: report Spectre v2 status through sysfs Mark Rutland <mark.rutland(a)arm.com> arm/arm64: smccc/psci: add arm_smccc_1_1_get_conduit() Steven Price <steven.price(a)arm.com> arm/arm64: Provide a wrapper for SMCCC 1.1 calls Josh Poimboeuf <jpoimboe(a)redhat.com> x86/speculation: Warn about eIBRS + LFENCE + Unprivileged eBPF + SMT Josh Poimboeuf <jpoimboe(a)redhat.com> x86/speculation: Warn about Spectre v2 LFENCE mitigation Kim Phillips <kim.phillips(a)amd.com> x86/speculation: Update link to AMD speculation whitepaper Kim Phillips <kim.phillips(a)amd.com> x86/speculation: Use generic retpoline by default on AMD Josh Poimboeuf <jpoimboe(a)redhat.com> x86/speculation: Include unprivileged eBPF status in Spectre v2 mitigation reporting Peter Zijlstra <peterz(a)infradead.org> Documentation/hw-vuln: Update spectre doc Peter Zijlstra <peterz(a)infradead.org> x86/speculation: Add eIBRS + Retpoline options Peter Zijlstra (Intel) <peterz(a)infradead.org> x86/speculation: Rename RETPOLINE_AMD to RETPOLINE_LFENCE Peter Zijlstra <peterz(a)infradead.org> x86,bugs: Unconditionally allow spectre_v2=retpoline,amd Borislav Petkov <bp(a)suse.de> x86/speculation: Merge one test in spectre_v2_user_select_mitigation() ------------- Diffstat: Documentation/admin-guide/hw-vuln/spectre.rst | 48 ++++-- Documentation/admin-guide/kernel-parameters.txt | 8 +- Makefile | 4 +- arch/arm/include/asm/assembler.h | 10 ++ arch/arm/include/asm/spectre.h | 32 ++++ arch/arm/kernel/Makefile | 2 + arch/arm/kernel/entry-armv.S | 79 ++++++++- arch/arm/kernel/entry-common.S | 24 +++ arch/arm/kernel/spectre.c | 71 ++++++++ arch/arm/kernel/traps.c | 65 ++++++- arch/arm/kernel/vmlinux.lds.h | 35 +++- arch/arm/mm/Kconfig | 11 ++ arch/arm/mm/proc-v7-bugs.c | 200 +++++++++++++++++++--- arch/x86/include/asm/cpufeatures.h | 2 +- arch/x86/include/asm/nospec-branch.h | 16 +- arch/x86/kernel/cpu/bugs.c | 214 +++++++++++++++++------- drivers/firmware/psci.c | 15 ++ include/linux/arm-smccc.h | 74 ++++++++ include/linux/bpf.h | 11 ++ kernel/sysctl.c | 8 + tools/arch/x86/include/asm/cpufeatures.h | 2 +- 21 files changed, 796 insertions(+), 135 deletions(-)

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Lkft-triage