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Alexander Potapenko be7635e728 arch, ftrace: for KASAN put hard/soft IRQ entries into separate sections 
KASAN needs to know whether the allocation happens in an IRQ handler.
This lets us strip everything below the IRQ entry point to reduce the
number of unique stack traces needed to be stored.

Move the definition of __irq_entry to <linux/interrupt.h> so that the
users don't need to pull in <linux/ftrace.h>.  Also introduce the
__softirq_entry macro which is similar to __irq_entry, but puts the
corresponding functions to the .softirqentry.text section.

Signed-off-by: Alexander Potapenko <glider@google.com>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
Cc: Christoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: David Rientjes <rientjes@google.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Andrey Konovalov <adech.fo@gmail.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com>
Cc: Konstantin Serebryany <kcc@google.com>
Cc: Dmitry Chernenkov <dmitryc@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 		2016-03-25 16:37:42 -07:00
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boot ARM: DT changes, part 2 2016-03-24 19:01:38 -07:00
common Merge branch 'for-linus' of git://ftp.arm.linux.org.uk/~rmk/linux-arm 2016-03-19 16:31:54 -07:00
configs ARM: SoC defconfig updates for v4.6 2016-03-20 15:32:14 -07:00
crypto Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2016-03-17 11:22:54 -07:00
firmware
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include arch, ftrace: for KASAN put hard/soft IRQ entries into separate sections 2016-03-25 16:37:42 -07:00
kernel arch, ftrace: for KASAN put hard/soft IRQ entries into separate sections 2016-03-25 16:37:42 -07:00
kvm KVM: arm/arm64: disable preemption when calling smp_call_function_many 2016-03-21 10:45:22 +01:00
lib
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mach-alpine ARM: alpine: select the Alpine MSI controller driver 2016-02-26 22:57:22 +01:00
mach-artpec arm: initial machine port for artpec-6 SoC 2016-02-24 13:55:47 -08:00
mach-asm9260
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mach-at91 ARM: at91: remove useless includes and function prototypes 2016-02-17 17:53:02 +01:00
mach-axxia
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mach-bcm
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mach-berlin
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mach-clps711x
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mach-cns3xxx ARM: SoC cleanups for v4.6 2016-03-20 14:37:22 -07:00
mach-davinci ARM: SoC platform updates for v4.6 2016-03-20 14:57:08 -07:00
mach-digicolor
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mach-dove ARM: orion: only select I2C_BOARDINFO when using I2C 2016-02-25 15:37:16 +01:00
mach-ebsa110
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mach-efm32
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mach-ep93xx
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mach-exynos ARM: SoC platform updates for v4.6 2016-03-20 14:57:08 -07:00
mach-footbridge ARM: 8530/1: remove VIRT_TO_BUS 2016-02-22 16:55:42 +00:00
mach-gemini ARM: gemini: switch to gpiochip_add_data() 2016-02-19 09:51:41 +01:00
mach-highbank
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mach-hisi
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mach-imx ARM: SoC platform updates for v4.6 2016-03-20 14:57:08 -07:00
mach-integrator
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mach-iop13xx
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mach-iop32x
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mach-iop33x
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mach-ixp4xx This is the bulk of GPIO changes for kernel v4.6: 2016-03-17 21:05:32 -07:00
mach-keystone ARM: DT updates for v4.6 2016-03-20 15:15:48 -07:00
mach-ks8695 ARM: SoC non-urgent fixes for v4.6 2016-03-20 14:26:57 -07:00
mach-lpc18xx
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mach-lpc32xx ARM: SoC cleanups for v4.6 2016-03-20 14:37:22 -07:00
mach-mediatek ARM: DT updates for v4.6 2016-03-20 15:15:48 -07:00
mach-meson
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mach-mmp
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mach-moxart
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mach-mv78xx0 ARM: SoC cleanups for v4.6 2016-03-20 14:37:22 -07:00
mach-mvebu The clk changes for this release cycle are mostly dominated by 2016-03-23 06:06:45 -07:00
mach-mxs
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mach-netx ARM: SoC cleanups for v4.6 2016-03-20 14:37:22 -07:00
mach-nomadik
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mach-nspire ARM: SoC cleanups for v4.6 2016-03-20 14:37:22 -07:00
mach-omap1 ARM: SoC platform updates for v4.6 2016-03-20 14:57:08 -07:00
mach-omap2 ARM: SoC platform updates for v4.6 2016-03-20 14:57:08 -07:00
mach-orion5x ARM: SoC cleanups for v4.6 2016-03-20 14:37:22 -07:00
mach-picoxcell
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mach-prima2 ARM: SoC cleanups for v4.6 2016-03-20 14:37:22 -07:00
mach-pxa ARM: SoC platform updates for v4.6 2016-03-20 14:57:08 -07:00
mach-qcom
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mach-realview
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mach-rockchip
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mach-rpc ARM: 8532/1: uncompress: mark putc as inline 2016-02-22 16:55:42 +00:00
mach-s3c24xx ARM: SoC 64-bit changes for v4.6 2016-03-20 15:08:45 -07:00
mach-s3c64xx ARM: SoC platform updates for v4.6 2016-03-20 14:57:08 -07:00
mach-s5pv210
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mach-sa1100 Merge branch 'for-linus' of git://ftp.arm.linux.org.uk/~rmk/linux-arm 2016-03-19 16:31:54 -07:00
mach-shmobile The clk changes for this release cycle are mostly dominated by 2016-03-23 06:06:45 -07:00
mach-socfpga ARM: SoC non-urgent fixes for v4.6 2016-03-20 14:26:57 -07:00
mach-spear
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mach-sti
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mach-stm32 ARM: stm32: Identify a new SoC - STM32F469 2016-02-17 17:30:44 +01:00
mach-sunxi
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mach-tango
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mach-tegra Here's another round of updates for -next: 2016-03-01 17:03:27 -05:00
mach-u300
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mach-uniphier ARM: uniphier: rework SMP code to support new System Bus binding 2016-03-18 17:36:37 +01:00
mach-ux500 ARM: SoC cleanups for v4.6 2016-03-20 14:37:22 -07:00
mach-versatile
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mach-vexpress
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mach-vt8500
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mach-w90x900 Merge branch 'for-linus' of git://ftp.arm.linux.org.uk/~rmk/linux-arm 2016-03-19 16:31:54 -07:00
mach-zx
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mach-zynq ARM: SoC platform updates for v4.6 2016-03-20 14:57:08 -07:00
mm Merge branch 'for-linus' of git://ftp.arm.linux.org.uk/~rmk/linux-arm 2016-03-19 16:31:54 -07:00
net
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nwfpe
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oprofile
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plat-iop
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plat-omap
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plat-orion Merge branch 'for-linus' of git://ftp.arm.linux.org.uk/~rmk/linux-arm 2016-03-19 16:31:54 -07:00
plat-pxa ARM: pxa: add the number of DMA requestor lines 2016-02-26 22:57:05 +01:00
plat-samsung MTD updates for v4.6 2016-03-24 19:57:15 -07:00
plat-versatile
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probes
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tools
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vdso ARM/vdso: Mark the vDSO code read-only after init 2016-02-22 08:51:39 +01:00
vfp
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xen
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Kconfig ARM: SoC platform updates for v4.6 2016-03-20 14:57:08 -07:00
Kconfig-nommu
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Kconfig.debug
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Makefile ARM: SoC platform updates for v4.6 2016-03-20 14:57:08 -07:00