linux-kernel - Re: randconfig build error with next-20150529, in crypto/jitterentropy.c

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Date:	Mon, 8 Jun 2015 15:21:09 +0300
From:	Andy Shevchenko <andy.shevchenko@...il.com>
To:	Jim Davis <jim.epost@...il.com>
Cc:	Stephen Rothwell <sfr@...b.auug.org.au>,
	linux-next <linux-next@...r.kernel.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Herbert Xu <herbert@...dor.apana.org.au>,
	"David S. Miller" <davem@...emloft.net>,
	linux-crypto <linux-crypto@...r.kernel.org>,
	Waiman Long <Waiman.Long@...com>,
	"Peter Zijlstra (Intel)" <peterz@...radead.org>,
	Ingo Molnar <mingo@...nel.org>,
	"x86@...nel.org" <x86@...nel.org>
Subject: Re: randconfig build error with next-20150529, in crypto/jitterentropy.c

On Fri, May 29, 2015 at 10:14 PM, Jim Davis <jim.epost@...il.com> wrote:
> Building with the attached random configuration file,

Hit the very same error against next-20150605.

The issue with that file we have no compiler optimization enabled. So,
guys, how you would recommend to fix it?

By the way, I'm building the x86_64_defconfig with following changes

diff --git a/arch/x86/configs/x86_64_defconfig
b/arch/x86/configs/x86_64_defconfig
index 315b861..363824f 100644
--- a/arch/x86/configs/x86_64_defconfig
+++ b/arch/x86/configs/x86_64_defconfig
@@ -172,9 +172,11 @@ CONFIG_TIGON3=y
 CONFIG_NET_TULIP=y
 CONFIG_E100=y
 CONFIG_E1000=y
+CONFIG_E1000E=y
 CONFIG_SKY2=y
 CONFIG_FORCEDETH=y
 CONFIG_8139TOO=y
+CONFIG_R8169=y
 CONFIG_FDDI=y
 CONFIG_INPUT_POLLDEV=y
 # CONFIG_INPUT_MOUSEDEV_PSAUX is not set
@@ -198,7 +200,7 @@ CONFIG_HW_RANDOM=y
 # CONFIG_HW_RANDOM_INTEL is not set
 # CONFIG_HW_RANDOM_AMD is not set
 CONFIG_NVRAM=y
-CONFIG_HPET=y
+# CONFIG_HPET is not set
 # CONFIG_HPET_MMAP is not set
 CONFIG_I2C_I801=y
 CONFIG_WATCHDOG=y
@@ -206,8 +208,8 @@ CONFIG_AGP=y
 CONFIG_AGP_AMD64=y
 CONFIG_AGP_INTEL=y
 CONFIG_DRM=y
-CONFIG_DRM_I915=y
-CONFIG_DRM_I915_KMS=y
+# CONFIG_DRM_I915 is not set
+CONFIG_BACKLIGHT_LCD_SUPPORT=y
 CONFIG_FB_MODE_HELPERS=y
 CONFIG_FB_TILEBLITTING=y
 CONFIG_FB_EFI=y
@@ -224,8 +226,8 @@ CONFIG_SND_MIXER_OSS=y
 CONFIG_SND_PCM_OSS=y
 CONFIG_SND_SEQUENCER_OSS=y
 CONFIG_SND_HRTIMER=y
-CONFIG_SND_HDA_INTEL=y
-CONFIG_SND_HDA_HWDEP=y
+# CONFIG_SND_HDA_INTEL is not set
+# CONFIG_SND_HDA_HWDEP is not set
 CONFIG_HIDRAW=y
 CONFIG_HID_GYRATION=y
 CONFIG_LOGITECH_FF=y
@@ -307,3 +309,56 @@ CONFIG_SECURITY_SELINUX=y
 CONFIG_SECURITY_SELINUX_BOOTPARAM=y
 CONFIG_SECURITY_SELINUX_DISABLE=y
 # CONFIG_CRYPTO_ANSI_CPRNG is not set
+CONFIG_FUNCTION_TRACER=y
+CONFIG_I2C_DESIGNWARE_PCI=y
+CONFIG_I2C_DESIGNWARE_PLATFORM=m
+CONFIG_GPIOLIB=y
+CONFIG_GPIO_INTEL_MID=y
+CONFIG_INTEL_MID_WATCHDOG=y
+CONFIG_NOP_USB_XCEIV=y
+CONFIG_USB_CHIPIDEA=y
+CONFIG_USB_CHIPIDEA_UDC=y
+CONFIG_USB_CHIPIDEA_HOST=y
+CONFIG_X86_EXTENDED_PLATFORM=y
+CONFIG_X86_INTEL_MID=y
+CONFIG_EFI_STUB=y
+CONFIG_EFI_MIXED=y
+CONFIG_EARLY_PRINTK_EFI=y
+CONFIG_FB=y
+CONFIG_FRAMEBUFFER_CONSOLE=y
+CONFIG_DYNAMIC_DEBUG=y
+CONFIG_USB_XHCI_HCD=y
+CONFIG_USB_DWC3=y
+CONFIG_USB_DWC3_GADGET=y
+CONFIG_USB_SERIAL=y
+CONFIG_USB_SERIAL_PL2303=y
+CONFIG_USB_USBNET=y
+CONFIG_USB_NET_AX88179_178A=y
+CONFIG_USB_NET_MCS7830=y
+CONFIG_USB_NET_AX8817X=y
+CONFIG_X86_INTEL_LPSS=y
+CONFIG_PM_RUNTIME=y
+CONFIG_DW_DMAC_CORE=m
+CONFIG_DW_DMAC=m
+CONFIG_DW_DMAC_PCI=m
+CONFIG_DMATEST=m
+CONFIG_SERIAL_8250_DMA=y
+CONFIG_SERIAL_8250_PCI=y
+CONFIG_SERIAL_8250_DW=m
+CONFIG_MMC=m
+CONFIG_MMC_SDHCI=m
+CONFIG_MMC_SDHCI_ACPI=m
+CONFIG_ACPI_DEBUG=y
+CONFIG_ACPI_PROCFS_POWER=y
+CONFIG_DMA_API_DEBUG=y
+CONFIG_DEBUG_LOCKDEP=y
+CONFIG_DEBUG_SHIRQ=y
+CONFIG_PINCTRL=y
+CONFIG_PINCTRL_BAYTRAIL=y
+CONFIG_PWM=y
+CONFIG_PWM_LPSS=m
+CONFIG_PWM_LPSS_PCI=m
+CONFIG_PWM_LPSS_PLATFORM=m
+CONFIG_SPI=y
+CONFIG_SPI_PXA2XX_PCI=m
+CONFIG_SPI_PXA2XX=m


>
> In file included from ./arch/x86/include/asm/spinlock.h:46:0,
>                  from include/linux/spinlock.h:87,
>                  from include/linux/seqlock.h:35,
>                  from include/linux/time.h:5,
>                  from include/linux/stat.h:18,
>                  from include/linux/module.h:10,
>                  from crypto/jitterentropy.c:52:
> In function ‘native_queued_spin_unlock’,
>     inlined from ‘queued_spin_unlock’ at ./arch/x86/include/asm/qspinlock.h:38:2
> ,
>     inlined from ‘do_raw_spin_unlock’ at include/linux/spinlock.h:175:2,
>     inlined from ‘__raw_spin_unlock’ at include/linux/spinlock_api_smp.h:153:2,
>     inlined from ‘spin_unlock’ at include/linux/spinlock.h:357:2,
>     inlined from ‘jent_kcapi_cleanup’ at crypto/jitterentropy.c:844:2:
> ./arch/x86/include/asm/qspinlock.h:17:317: error: call to
> ‘__compiletime_assert_17’ declared with attribute error: Need native
> word sized stores/loads for atomicity.
> In function ‘native_queued_spin_unlock’,
>     inlined from ‘queued_spin_unlock’ at ./arch/x86/include/asm/qspinlock.h:38:2
> ,
>     inlined from ‘do_raw_spin_unlock’ at include/linux/spinlock.h:175:2,
>     inlined from ‘__raw_spin_unlock’ at include/linux/spinlock_api_smp.h:153:2,
>     inlined from ‘spin_unlock’ at include/linux/spinlock.h:357:2,
>     inlined from ‘jent_kcapi_random’ at crypto/jitterentropy.c:856:2:
> ./arch/x86/include/asm/qspinlock.h:17:317: error: call to
> ‘__compiletime_assert_17’ declared with attribute error: Need native
> word sized stores/loads for atomicity.
> scripts/Makefile.build:264: recipe for target 'crypto/jitterentropy.o' failed



-- 
With Best Regards,
Andy Shevchenko
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