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Re: [PATCH 2/4] ARM: amba: Fix race condition with driver_override

by Todd Kjos

+stable what is the status of this patch? We'd like to get it into the android common branches to fix possible double free. On Fri, Jan 19, 2018 at 7:24 AM, Geert Uytterhoeven <geert+renesas(a)glider.be> wrote: > The driver_override implementation is susceptible to a race condition > when different threads are reading vs storing a different driver > override. Add locking to avoid this race condition. > > Cfr. commits 6265539776a0810b ("driver core: platform: fix race > condition with driver_override") and 9561475db680f714 ("PCI: Fix race > condition with driver_override"). > > Fixes: 3cf385713460eb2b ("ARM: 8256/1: driver coamba: add device binding path 'driver_override'") > Signed-off-by: Geert Uytterhoeven <geert+renesas(a)glider.be> > --- > drivers/amba/bus.c | 11 +++++++++-- > 1 file changed, 9 insertions(+), 2 deletions(-) > > diff --git a/drivers/amba/bus.c b/drivers/amba/bus.c > index 6ffd778352e6d953..36c5653ced5742b7 100644 > --- a/drivers/amba/bus.c > +++ b/drivers/amba/bus.c > @@ -69,8 +69,12 @@ static ssize_t driver_override_show(struct device *_dev, > struct device_attribute *attr, char *buf) > { > struct amba_device *dev = to_amba_device(_dev); > + ssize_t len; > > - return sprintf(buf, "%s\n", dev->driver_override); > + device_lock(_dev); > + len = sprintf(buf, "%s\n", dev->driver_override); > + device_unlock(_dev); > + return len; > } > > static ssize_t driver_override_store(struct device *_dev, > @@ -78,7 +82,7 @@ static ssize_t driver_override_store(struct device *_dev, > const char *buf, size_t count) > { > struct amba_device *dev = to_amba_device(_dev); > - char *driver_override, *old = dev->driver_override, *cp; > + char *driver_override, *old, *cp; > > if (count > PATH_MAX) > return -EINVAL; > @@ -91,12 +95,15 @@ static ssize_t driver_override_store(struct device *_dev, > if (cp) > *cp = '\0'; > > + device_lock(_dev); > + old = dev->driver_override; > if (strlen(driver_override)) { > dev->driver_override = driver_override; > } else { > kfree(driver_override); > dev->driver_override = NULL; > } > + device_unlock(_dev); > > kfree(old); > > -- > 2.7.4 >

7 years, 4 months

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[PATCH] ZBOOT: fix stack protector in compressed boot phase

by Huacai Chen

Call __stack_chk_guard_setup() in decompress_kernel() is too late that stack checking always fails for decompress_kernel() itself. So remove __stack_chk_guard_setup() and initialize __stack_chk_guard at where we define it. Original code comes from ARM but also used for MIPS and SH, so fix them together. If without this fix, compressed booting of these archs will fail because stack checking is enabled by default (>=4.16). Cc: stable(a)vger.kernel.org Signed-off-by: Huacai Chen <chenhc(a)lemote.com> --- arch/arm/boot/compressed/misc.c | 9 +-------- arch/mips/boot/compressed/decompress.c | 9 +-------- arch/sh/boot/compressed/misc.c | 9 +-------- 3 files changed, 3 insertions(+), 24 deletions(-) diff --git a/arch/arm/boot/compressed/misc.c b/arch/arm/boot/compressed/misc.c index 16a8a80..43aca75 100644 --- a/arch/arm/boot/compressed/misc.c +++ b/arch/arm/boot/compressed/misc.c @@ -128,12 +128,7 @@ asmlinkage void __div0(void) error("Attempting division by 0!"); } -unsigned long __stack_chk_guard; - -void __stack_chk_guard_setup(void) -{ - __stack_chk_guard = 0x000a0dff; -} +unsigned long __stack_chk_guard = 0x000a0dff; void __stack_chk_fail(void) { @@ -150,8 +145,6 @@ decompress_kernel(unsigned long output_start, unsigned long free_mem_ptr_p, { int ret; - __stack_chk_guard_setup(); - output_data = (unsigned char *)output_start; free_mem_ptr = free_mem_ptr_p; free_mem_end_ptr = free_mem_ptr_end_p; diff --git a/arch/mips/boot/compressed/decompress.c b/arch/mips/boot/compressed/decompress.c index fdf99e9..0694b3f 100644 --- a/arch/mips/boot/compressed/decompress.c +++ b/arch/mips/boot/compressed/decompress.c @@ -76,12 +76,7 @@ void error(char *x) #include "../../../../lib/decompress_unxz.c" #endif -unsigned long __stack_chk_guard; - -void __stack_chk_guard_setup(void) -{ - __stack_chk_guard = 0x000a0dff; -} +unsigned long __stack_chk_guard = 0x000a0dff; void __stack_chk_fail(void) { @@ -92,8 +87,6 @@ void decompress_kernel(unsigned long boot_heap_start) { unsigned long zimage_start, zimage_size; - __stack_chk_guard_setup(); - zimage_start = (unsigned long)(&__image_begin); zimage_size = (unsigned long)(&__image_end) - (unsigned long)(&__image_begin); diff --git a/arch/sh/boot/compressed/misc.c b/arch/sh/boot/compressed/misc.c index 627ce8e..2c564c2 100644 --- a/arch/sh/boot/compressed/misc.c +++ b/arch/sh/boot/compressed/misc.c @@ -104,12 +104,7 @@ static void error(char *x) while(1); /* Halt */ } -unsigned long __stack_chk_guard; - -void __stack_chk_guard_setup(void) -{ - __stack_chk_guard = 0x000a0dff; -} +unsigned long __stack_chk_guard = 0x000a0dff; void __stack_chk_fail(void) { @@ -130,8 +125,6 @@ void decompress_kernel(void) { unsigned long output_addr; - __stack_chk_guard_setup(); - #ifdef CONFIG_SUPERH64 output_addr = (CONFIG_MEMORY_START + 0x2000); #else -- 2.7.0

7 years, 4 months

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[PATCH 1/3] PCI: hv: fix a comment typo in _hv_pcifront_read_config()

by Dexuan Cui

No functional change. Signed-off-by: Dexuan Cui <decui(a)microsoft.com> Fixes: bdd74440d9e8 ("PCI: hv: Add explicit barriers to config space access") Cc: Vitaly Kuznetsov <vkuznets(a)redhat.com> Cc: stable(a)vger.kernel.org Cc: Stephen Hemminger <sthemmin(a)microsoft.com> Cc: K. Y. Srinivasan <kys(a)microsoft.com> --- drivers/pci/host/pci-hyperv.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/pci/host/pci-hyperv.c b/drivers/pci/host/pci-hyperv.c index 2faf38eab785..1233300f41c6 100644 --- a/drivers/pci/host/pci-hyperv.c +++ b/drivers/pci/host/pci-hyperv.c @@ -653,7 +653,7 @@ static void _hv_pcifront_read_config(struct hv_pci_dev *hpdev, int where, break; } /* - * Make sure the write was done before we release the spinlock + * Make sure the read was done before we release the spinlock * allowing consecutive reads/writes. */ mb(); -- 2.7.4

7 years, 4 months

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v4.9.86 build: 0 failures 0 warnings (v4.9.86)

by Build bot for Mark Brown

Tree/Branch: v4.9.86 Git describe: v4.9.86 Commit: 6a83eb2354 Linux 4.9.86 Build Time: 92 min 37 sec Passed: 10 / 10 (100.00 %) Failed: 0 / 10 ( 0.00 %) Errors: 0 Warnings: 0 Section Mismatches: 0 ------------------------------------------------------------------------------- defconfigs with issues (other than build errors): ------------------------------------------------------------------------------- =============================================================================== Detailed per-defconfig build reports below: ------------------------------------------------------------------------------- Passed with no errors, warnings or mismatches: arm64-allnoconfig arm64-allmodconfig arm-multi_v5_defconfig arm-multi_v7_defconfig x86_64-defconfig arm-allmodconfig arm-allnoconfig x86_64-allnoconfig arm-multi_v4t_defconfig arm64-defconfig close failed in file object destructor: sys.excepthook is missing lost sys.stderr

7 years, 4 months

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v4.4.120 build: 0 failures 0 warnings (v4.4.120)

by Build bot for Mark Brown

Tree/Branch: v4.4.120 Git describe: v4.4.120 Commit: 47356cfded Linux 4.4.120 Build Time: 67 min 17 sec Passed: 9 / 9 (100.00 %) Failed: 0 / 9 ( 0.00 %) Errors: 0 Warnings: 0 Section Mismatches: 0 ------------------------------------------------------------------------------- defconfigs with issues (other than build errors): ------------------------------------------------------------------------------- =============================================================================== Detailed per-defconfig build reports below: ------------------------------------------------------------------------------- Passed with no errors, warnings or mismatches: arm64-allnoconfig arm64-allmodconfig arm-multi_v5_defconfig arm-multi_v7_defconfig x86_64-defconfig arm-allmodconfig arm-allnoconfig x86_64-allnoconfig arm64-defconfig close failed in file object destructor: sys.excepthook is missing lost sys.stderr

7 years, 4 months

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[PATCH AUTOSEL for 3.18 01/63] Input: tsc2007 - check for presence and power down tsc2007 during probe

by Sasha Levin

From: "H. Nikolaus Schaller" <hns(a)goldelico.com> [ Upstream commit 934df23171e7c5b71d937104d4957891c39748ff ] 1. check if chip is really present and don't succeed if it isn't. 2. if it succeeds, power down the chip until accessed Signed-off-by: H. Nikolaus Schaller <hns(a)goldelico.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov(a)gmail.com> Signed-off-by: Sasha Levin <alexander.levin(a)microsoft.com> --- drivers/input/touchscreen/tsc2007.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/input/touchscreen/tsc2007.c b/drivers/input/touchscreen/tsc2007.c index 1bf9906b5a3f..75810fa97db5 100644 --- a/drivers/input/touchscreen/tsc2007.c +++ b/drivers/input/touchscreen/tsc2007.c @@ -456,6 +456,14 @@ static int tsc2007_probe(struct i2c_client *client, tsc2007_stop(ts); + /* power down the chip (TSC2007_SETUP does not ACK on I2C) */ + err = tsc2007_xfer(ts, PWRDOWN); + if (err < 0) { + dev_err(&client->dev, + "Failed to setup chip: %d\n", err); + return err; /* usually, chip does not respond */ + } + err = input_register_device(input_dev); if (err) { dev_err(&client->dev, -- 2.14.1

7 years, 4 months

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v4.14.24 build: 0 failures 1 warnings (v4.14.24)

by Build bot for Mark Brown

Tree/Branch: v4.14.24 Git describe: v4.14.24 Commit: 6e4548ea58 Linux 4.14.24 Build Time: 109 min 21 sec Passed: 10 / 10 (100.00 %) Failed: 0 / 10 ( 0.00 %) Errors: 0 Warnings: 1 Section Mismatches: 0 ------------------------------------------------------------------------------- defconfigs with issues (other than build errors): 1 warnings 0 mismatches : arm64-allmodconfig ------------------------------------------------------------------------------- Warnings Summary: 1 1 ../include/linux/sched/mm.h:188:56: warning: 'noio_flag' may be used uninitialized in this function [-Wmaybe-uninitialized] =============================================================================== Detailed per-defconfig build reports below: ------------------------------------------------------------------------------- arm64-allmodconfig : PASS, 0 errors, 1 warnings, 0 section mismatches Warnings: ../include/linux/sched/mm.h:188:56: warning: 'noio_flag' may be used uninitialized in this function [-Wmaybe-uninitialized] ------------------------------------------------------------------------------- Passed with no errors, warnings or mismatches: arm64-allnoconfig arm-multi_v5_defconfig arm-multi_v7_defconfig x86_64-defconfig arm-allmodconfig arm-allnoconfig x86_64-allnoconfig arm-multi_v4t_defconfig arm64-defconfig close failed in file object destructor: sys.excepthook is missing lost sys.stderr

7 years, 4 months

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[PATCH] Bluetooth: btqcomsmd: Fix channel open check

by Bjorn Andersson

rpmsg_create_ept() returns NULL on error and as such qcom_wcnss_open_channel() does the same. Clarify this in the kernel-doc and correct the error checks in btqcomsmd. Fixes: 1511cc750c3d ("Bluetooth: Introduce Qualcomm WCNSS SMD based HCI driver") Cc: stable(a)vger.kernel.org Signed-off-by: Bjorn Andersson <bjorn.andersson(a)linaro.org> --- drivers/bluetooth/btqcomsmd.c | 8 ++++---- drivers/soc/qcom/wcnss_ctrl.c | 2 ++ 2 files changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/bluetooth/btqcomsmd.c b/drivers/bluetooth/btqcomsmd.c index 2c9a5fc9137d..24f702927875 100644 --- a/drivers/bluetooth/btqcomsmd.c +++ b/drivers/bluetooth/btqcomsmd.c @@ -151,13 +151,13 @@ static int btqcomsmd_probe(struct platform_device *pdev) btq->acl_channel = qcom_wcnss_open_channel(wcnss, "APPS_RIVA_BT_ACL", btqcomsmd_acl_callback, btq); - if (IS_ERR(btq->acl_channel)) - return PTR_ERR(btq->acl_channel); + if (!btq->acl_channel) + return -ENOENT; btq->cmd_channel = qcom_wcnss_open_channel(wcnss, "APPS_RIVA_BT_CMD", btqcomsmd_cmd_callback, btq); - if (IS_ERR(btq->cmd_channel)) - return PTR_ERR(btq->cmd_channel); + if (!btq->cmd_channel) + return -ENOENT; /* The local-bd-address property is usually injected by the * bootloader which has access to the allocated BD address. diff --git a/drivers/soc/qcom/wcnss_ctrl.c b/drivers/soc/qcom/wcnss_ctrl.c index d008e5b82db4..e968559b0fc4 100644 --- a/drivers/soc/qcom/wcnss_ctrl.c +++ b/drivers/soc/qcom/wcnss_ctrl.c @@ -275,6 +275,8 @@ static int wcnss_download_nv(struct wcnss_ctrl *wcnss, bool *expect_cbc) * @wcnss: wcnss handle, retrieved from drvdata * @name: SMD channel name * @cb: callback to handle incoming data on the channel + * + * Return: rpmsg_endpoint object on success, NULL on error */ struct rpmsg_endpoint *qcom_wcnss_open_channel(void *wcnss, const char *name, rpmsg_rx_cb_t cb, void *priv) { -- 2.16.2

7 years, 4 months

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v3.2.100 build: 4 failures 20 warnings (v3.2.100)

by Build bot for Mark Brown

Tree/Branch: v3.2.100 Git describe: v3.2.100 Commit: 1c7cb8cda9 Linux 3.2.100 Build Time: 0 min 4 sec Passed: 0 / 4 ( 0.00 %) Failed: 4 / 4 (100.00 %) Errors: 6 Warnings: 20 Section Mismatches: 0 Failed defconfigs: x86_64-allnoconfig arm-allmodconfig arm-allnoconfig x86_64-defconfig Errors: x86_64-allnoconfig /home/broonie/build/linux-stable/scripts/mod/empty.c:1:0: error: code model kernel does not support PIC mode /home/broonie/build/linux-stable/kernel/bounds.c:1:0: error: code model kernel does not support PIC mode arm-allnoconfig /home/broonie/build/linux-stable/arch/arm/include/asm/div64.h:77:7: error: '__LINUX_ARM_ARCH__' undeclared (first use in this function) /home/broonie/build/linux-stable/arch/arm/include/asm/glue-cache.h:129:2: error: #error Unknown cache maintenance model /home/broonie/build/linux-stable/arch/arm/include/asm/glue-df.h:107:2: error: #error Unknown data abort handler type /home/broonie/build/linux-stable/arch/arm/include/asm/glue-pf.h:54:2: error: #error Unknown prefetch abort handler type x86_64-defconfig /home/broonie/build/linux-stable/scripts/mod/empty.c:1:0: error: code model kernel does not support PIC mode /home/broonie/build/linux-stable/kernel/bounds.c:1:0: error: code model kernel does not support PIC mode ------------------------------------------------------------------------------- defconfigs with issues (other than build errors): 2 warnings 0 mismatches : arm-allmodconfig 19 warnings 0 mismatches : arm-allnoconfig ------------------------------------------------------------------------------- Errors summary: 6 2 /home/broonie/build/linux-stable/scripts/mod/empty.c:1:0: error: code model kernel does not support PIC mode 2 /home/broonie/build/linux-stable/kernel/bounds.c:1:0: error: code model kernel does not support PIC mode 1 /home/broonie/build/linux-stable/arch/arm/include/asm/glue-pf.h:54:2: error: #error Unknown prefetch abort handler type 1 /home/broonie/build/linux-stable/arch/arm/include/asm/glue-df.h:107:2: error: #error Unknown data abort handler type 1 /home/broonie/build/linux-stable/arch/arm/include/asm/glue-cache.h:129:2: error: #error Unknown cache maintenance model 1 /home/broonie/build/linux-stable/arch/arm/include/asm/div64.h:77:7: error: '__LINUX_ARM_ARCH__' undeclared (first use in this function) Warnings Summary: 20 2 .config:27:warning: symbol value '' invalid for PHYS_OFFSET 1 /home/broonie/build/linux-stable/arch/arm/include/asm/system.h:342:5: warning: "__LINUX_ARM_ARCH__" is not defined [-Wundef] 1 /home/broonie/build/linux-stable/arch/arm/include/asm/system.h:272:5: warning: "__LINUX_ARM_ARCH__" is not defined [-Wundef] 1 /home/broonie/build/linux-stable/arch/arm/include/asm/system.h:265:5: warning: "__LINUX_ARM_ARCH__" is not defined [-Wundef] 1 /home/broonie/build/linux-stable/arch/arm/include/asm/system.h:131:35: warning: "__LINUX_ARM_ARCH__" is not defined [-Wundef] 1 /home/broonie/build/linux-stable/arch/arm/include/asm/system.h:127:5: warning: "__LINUX_ARM_ARCH__" is not defined [-Wundef] 1 /home/broonie/build/linux-stable/arch/arm/include/asm/system.h:121:3: warning: "__LINUX_ARM_ARCH__" is not defined [-Wundef] 1 /home/broonie/build/linux-stable/arch/arm/include/asm/system.h:120:5: warning: "__LINUX_ARM_ARCH__" is not defined [-Wundef] 1 /home/broonie/build/linux-stable/arch/arm/include/asm/system.h:114:5: warning: "__LINUX_ARM_ARCH__" is not defined [-Wundef] 1 /home/broonie/build/linux-stable/arch/arm/include/asm/swab.h:25:28: warning: "__LINUX_ARM_ARCH__" is not defined [-Wundef] 1 /home/broonie/build/linux-stable/arch/arm/include/asm/processor.h:82:5: warning: "__LINUX_ARM_ARCH__" is not defined [-Wundef] 1 /home/broonie/build/linux-stable/arch/arm/include/asm/processor.h:102:5: warning: "__LINUX_ARM_ARCH__" is not defined [-Wundef] 1 /home/broonie/build/linux-stable/arch/arm/include/asm/irqflags.h:11:5: warning: "__LINUX_ARM_ARCH__" is not defined [-Wundef] 1 /home/broonie/build/linux-stable/arch/arm/include/asm/fpstate.h:32:5: warning: "__LINUX_ARM_ARCH__" is not defined [-Wundef] 1 /home/broonie/build/linux-stable/arch/arm/include/asm/cachetype.h:33:7: warning: "__LINUX_ARM_ARCH__" is not defined [-Wundef] 1 /home/broonie/build/linux-stable/arch/arm/include/asm/cachetype.h:28:5: warning: "__LINUX_ARM_ARCH__" is not defined [-Wundef] 1 /home/broonie/build/linux-stable/arch/arm/include/asm/cacheflush.h:196:7: warning: "__LINUX_ARM_ARCH__" is not defined [-Wundef] 1 /home/broonie/build/linux-stable/arch/arm/include/asm/cacheflush.h:194:7: warning: "__LINUX_ARM_ARCH__" is not defined [-Wundef] 1 /home/broonie/build/linux-stable/arch/arm/include/asm/bitops.h:217:5: warning: "__LINUX_ARM_ARCH__" is not defined [-Wundef] 1 /home/broonie/build/linux-stable/arch/arm/include/asm/atomic.h:30:5: warning: "__LINUX_ARM_ARCH__" is not defined [-Wundef] =============================================================================== Detailed per-defconfig build reports below: ------------------------------------------------------------------------------- x86_64-allnoconfig : FAIL, 2 errors, 0 warnings, 0 section mismatches Errors: /home/broonie/build/linux-stable/scripts/mod/empty.c:1:0: error: code model kernel does not support PIC mode /home/broonie/build/linux-stable/kernel/bounds.c:1:0: error: code model kernel does not support PIC mode ------------------------------------------------------------------------------- arm-allmodconfig : FAIL, 0 errors, 2 warnings, 0 section mismatches Warnings: .config:27:warning: symbol value '' invalid for PHYS_OFFSET .config:27:warning: symbol value '' invalid for PHYS_OFFSET ------------------------------------------------------------------------------- arm-allnoconfig : FAIL, 4 errors, 19 warnings, 0 section mismatches Errors: /home/broonie/build/linux-stable/arch/arm/include/asm/div64.h:77:7: error: '__LINUX_ARM_ARCH__' undeclared (first use in this function) /home/broonie/build/linux-stable/arch/arm/include/asm/glue-cache.h:129:2: error: #error Unknown cache maintenance model /home/broonie/build/linux-stable/arch/arm/include/asm/glue-df.h:107:2: error: #error Unknown data abort handler type /home/broonie/build/linux-stable/arch/arm/include/asm/glue-pf.h:54:2: error: #error Unknown prefetch abort handler type Warnings: /home/broonie/build/linux-stable/arch/arm/include/asm/irqflags.h:11:5: warning: "__LINUX_ARM_ARCH__" is not defined [-Wundef] /home/broonie/build/linux-stable/arch/arm/include/asm/system.h:114:5: warning: "__LINUX_ARM_ARCH__" is not defined [-Wundef] /home/broonie/build/linux-stable/arch/arm/include/asm/system.h:120:5: warning: "__LINUX_ARM_ARCH__" is not defined [-Wundef] /home/broonie/build/linux-stable/arch/arm/include/asm/system.h:121:3: warning: "__LINUX_ARM_ARCH__" is not defined [-Wundef] /home/broonie/build/linux-stable/arch/arm/include/asm/system.h:127:5: warning: "__LINUX_ARM_ARCH__" is not defined [-Wundef] /home/broonie/build/linux-stable/arch/arm/include/asm/system.h:131:35: warning: "__LINUX_ARM_ARCH__" is not defined [-Wundef] /home/broonie/build/linux-stable/arch/arm/include/asm/system.h:265:5: warning: "__LINUX_ARM_ARCH__" is not defined [-Wundef] /home/broonie/build/linux-stable/arch/arm/include/asm/system.h:272:5: warning: "__LINUX_ARM_ARCH__" is not defined [-Wundef] /home/broonie/build/linux-stable/arch/arm/include/asm/system.h:342:5: warning: "__LINUX_ARM_ARCH__" is not defined [-Wundef] /home/broonie/build/linux-stable/arch/arm/include/asm/bitops.h:217:5: warning: "__LINUX_ARM_ARCH__" is not defined [-Wundef] /home/broonie/build/linux-stable/arch/arm/include/asm/swab.h:25:28: warning: "__LINUX_ARM_ARCH__" is not defined [-Wundef] /home/broonie/build/linux-stable/arch/arm/include/asm/fpstate.h:32:5: warning: "__LINUX_ARM_ARCH__" is not defined [-Wundef] /home/broonie/build/linux-stable/arch/arm/include/asm/processor.h:82:5: warning: "__LINUX_ARM_ARCH__" is not defined [-Wundef] /home/broonie/build/linux-stable/arch/arm/include/asm/processor.h:102:5: warning: "__LINUX_ARM_ARCH__" is not defined [-Wundef] /home/broonie/build/linux-stable/arch/arm/include/asm/atomic.h:30:5: warning: "__LINUX_ARM_ARCH__" is not defined [-Wundef] /home/broonie/build/linux-stable/arch/arm/include/asm/cachetype.h:28:5: warning: "__LINUX_ARM_ARCH__" is not defined [-Wundef] /home/broonie/build/linux-stable/arch/arm/include/asm/cachetype.h:33:7: warning: "__LINUX_ARM_ARCH__" is not defined [-Wundef] /home/broonie/build/linux-stable/arch/arm/include/asm/cacheflush.h:194:7: warning: "__LINUX_ARM_ARCH__" is not defined [-Wundef] /home/broonie/build/linux-stable/arch/arm/include/asm/cacheflush.h:196:7: warning: "__LINUX_ARM_ARCH__" is not defined [-Wundef] ------------------------------------------------------------------------------- x86_64-defconfig : FAIL, 2 errors, 0 warnings, 0 section mismatches Errors: /home/broonie/build/linux-stable/scripts/mod/empty.c:1:0: error: code model kernel does not support PIC mode /home/broonie/build/linux-stable/kernel/bounds.c:1:0: error: code model kernel does not support PIC mode ------------------------------------------------------------------------------- Passed with no errors, warnings or mismatches:

7 years, 4 months

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v3.18.98 build: 0 failures 1 warnings (v3.18.98)

by Build bot for Mark Brown

Tree/Branch: v3.18.98 Git describe: v3.18.98 Commit: 7c017f897e Linux 3.18.98 Build Time: 50 min 26 sec Passed: 9 / 9 (100.00 %) Failed: 0 / 9 ( 0.00 %) Errors: 0 Warnings: 1 Section Mismatches: 0 ------------------------------------------------------------------------------- defconfigs with issues (other than build errors): 2 warnings 0 mismatches : x86_64-defconfig ------------------------------------------------------------------------------- Warnings Summary: 1 2 ../include/linux/ftrace.h:632:36: warning: calling '__builtin_return_address' with a nonzero argument is unsafe [-Wframe-address] =============================================================================== Detailed per-defconfig build reports below: ------------------------------------------------------------------------------- x86_64-defconfig : PASS, 0 errors, 2 warnings, 0 section mismatches Warnings: ../include/linux/ftrace.h:632:36: warning: calling '__builtin_return_address' with a nonzero argument is unsafe [-Wframe-address] ../include/linux/ftrace.h:632:36: warning: calling '__builtin_return_address' with a nonzero argument is unsafe [-Wframe-address] ------------------------------------------------------------------------------- Passed with no errors, warnings or mismatches: arm64-allnoconfig arm64-allmodconfig arm-multi_v5_defconfig arm-multi_v7_defconfig arm-allmodconfig arm-allnoconfig x86_64-allnoconfig arm64-defconfig close failed in file object destructor: sys.excepthook is missing lost sys.stderr

7 years, 4 months

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