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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
..
.gitignore
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8250-platform.c
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Makefile MIPS: Delete smp-gic.c 2016-02-25 10:56:58 +01:00
asm-offsets.c MIPS: Set trap_no field in thread_struct on exception. 2015-09-03 12:08:04 +02:00
binfmt_elfn32.c mips: Differentiate between 32 and 64 bit ELF header 2016-02-11 11:38:22 +01:00
binfmt_elfo32.c mips: Differentiate between 32 and 64 bit ELF header 2016-02-11 11:38:22 +01:00
bmips_vec.S
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branch.c MIPS: Fix branch emulation for BLTC and BGEC instructions 2015-07-09 11:10:40 +02:00
cevt-bcm1480.c MIPS: cevt-bcm1480: Migrate to new 'set-state' interface 2015-09-03 12:07:51 +02:00
cevt-ds1287.c MIPS: cevt-ds1287: Migrate to new 'set-state' interface 2015-09-03 12:07:51 +02:00
cevt-gt641xx.c MIPS: cevt-gt641xx: Migrate to new 'set-state' interface 2015-09-03 12:07:51 +02:00
cevt-r4k.c MIPS: cevt-r4k: Migrate to new 'set-state' interface 2015-09-03 12:07:52 +02:00
cevt-sb1250.c MIPS: cevt-sb1250: Migrate to new 'set-state' interface 2015-09-03 12:07:52 +02:00
cevt-txx9.c MIPS: cevt-txx9: Migrate to new 'set-state' interface 2015-09-03 12:07:53 +02:00
cps-vec-ns16550.S MIPS: CPS: Early debug using an ns16550-compatible UART 2015-11-11 08:34:25 +01:00
cps-vec.S MIPS: CPS: drop .set mips64r2 directives 2015-12-22 12:16:32 +01:00
cpu-bugs64.c MIPS: Use EXCCODE_ constants with set_except_vector() 2016-01-24 03:28:21 +01:00
cpu-probe.c MIPS: Add IEEE Std 754 conformance mode selection 2016-01-20 00:39:20 +01:00
crash.c
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crash_dump.c
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csrc-bcm1480.c
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csrc-ioasic.c
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csrc-r4k.c MIPS: VDSO: Add implementations of gettimeofday() and clock_gettime() 2015-11-11 08:36:41 +01:00
csrc-sb1250.c
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early_printk.c
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early_printk_8250.c
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elf.c MIPS: Add IEEE Std 754 conformance mode selection 2016-01-20 00:39:20 +01:00
entry.S
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ftrace.c
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genex.S MIPS: Fix LLVM build issue. 2015-08-18 11:40:20 +02:00
gpio_txx9.c MIPS: txx9: switch to gpiochip_add_data() 2016-02-19 09:51:44 +01:00
head.S
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i8253.c
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idle.c Merge branch '4.3-fixes' into mips-for-linux-next 2015-11-12 11:36:03 +01:00
irq-gt641xx.c
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irq-msc01.c
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irq-rm7000.c
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irq.c
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irq_txx9.c
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jump_label.c jump_label: Rename JUMP_LABEL_{EN,DIS}ABLE to JUMP_LABEL_{JMP,NOP} 2015-08-03 11:34:12 +02:00
kgdb.c
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kprobes.c
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linux32.c
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machine_kexec.c
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mcount.S
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mips-cm.c MIPS: CM, CPC: Ensure core-other GCRs reflect the correct core 2015-11-11 08:35:18 +01:00
mips-cpc.c MIPS: CM, CPC: Ensure core-other GCRs reflect the correct core 2015-11-11 08:35:18 +01:00
mips-mt-fpaff.c MIPS: Fix sched_getaffinity with MT FPAFF enabled 2015-08-03 09:25:02 +02:00
mips-mt.c
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mips-r2-to-r6-emul.c MIPS: Declare mips_debugfs_dir in a header 2015-10-26 09:49:42 +01:00
mips_ksyms.c MIPS: uaccess: Take EVA into account in [__]clear_user 2015-12-22 11:58:43 +01:00
mips_machine.c
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module-rela.c
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module.c
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octeon_switch.S MIPS: Fix octeon FP context switch handling 2015-10-02 19:16:06 +02:00
perf_event.c
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perf_event_mipsxx.c MIPS: Add cases for CPU_I6400 2015-08-26 15:23:03 +02:00
pm-cps.c MIPS: Add cases for CPU_I6400 2015-08-26 15:23:03 +02:00
pm.c
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proc.c
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process.c MIPS: Properly disable FPU in start_thread() 2016-02-01 23:36:03 +01:00
prom.c MIPS: Fix build with CONFIG_OF=y for non OF-enabled targets 2015-08-03 09:25:00 +02:00
ptrace.c MIPS: ptrace: Drop cp0_tcstatus from regoffset_table[] 2016-01-24 02:24:24 +01:00
ptrace32.c
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r4k_fpu.S MIPS: Avoid variant of .type unsupported by LLVM Assembler 2016-02-29 11:23:49 +01:00
r4k_switch.S MIPS: Tidy up FPU context switching 2015-09-03 12:08:05 +02:00
r2300_fpu.S MIPS: Avoid variant of .type unsupported by LLVM Assembler 2016-02-29 11:23:49 +01:00
r2300_switch.S MIPS: Fix R2300 FP context switch handling 2015-10-02 19:16:46 +02:00
r6000_fpu.S
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relocate_kernel.S MIPS: Replace add and sub instructions in relocate_kernel.S with addiu 2015-08-03 15:26:30 +02:00
reset.c
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rtlx-cmp.c
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rtlx-mt.c
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rtlx.c
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scall32-o32.S MIPS: Wire up copy_file_range syscall. 2016-02-05 17:15:42 +01:00
scall64-64.S MIPS: Wire up copy_file_range syscall. 2016-02-05 17:15:42 +01:00
scall64-n32.S MIPS: Wire up copy_file_range syscall. 2016-02-05 17:15:42 +01:00
scall64-o32.S MIPS: Wire up copy_file_range syscall. 2016-02-05 17:15:42 +01:00
segment.c MIPS: Declare mips_debugfs_dir in a header 2015-10-26 09:49:42 +01:00
setup.c Linux 4.5-rc6 2016-03-04 12:12:08 +01:00
signal-common.h MIPS: Save MSA extended context around signals 2015-09-03 12:07:59 +02:00
signal.c MIPS: Initial implementation of a VDSO 2015-11-11 08:36:36 +01:00
signal32.c MIPS: Initial implementation of a VDSO 2015-11-11 08:36:36 +01:00
signal_n32.c MIPS: Initial implementation of a VDSO 2015-11-11 08:36:36 +01:00
smp-bmips.c MIPS: SMP: Don't increment irq_count multiple times for call function IPIs 2015-08-03 09:25:12 +02:00
smp-cmp.c MIPS: Make smp CMP, CPS and MT use the new generic IPI functions 2016-02-25 10:56:58 +01:00
smp-cps.c MIPS: Make smp CMP, CPS and MT use the new generic IPI functions 2016-02-25 10:56:58 +01:00
smp-gic.c MIPS: CM: make use of mips_cm_{lock,unlock}_other 2015-11-11 08:35:17 +01:00
smp-mt.c MIPS: Make smp CMP, CPS and MT use the new generic IPI functions 2016-02-25 10:56:58 +01:00
smp-up.c
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smp.c Merge branch 'smp-hotplug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2016-03-15 13:50:29 -07:00
spinlock_test.c MIPS: Declare mips_debugfs_dir in a header 2015-10-26 09:49:42 +01:00
spram.c MIPS: Add cases for CPU_I6400 2015-08-26 15:23:03 +02:00
stacktrace.c MIPS: Add LATENCYTOP support 2015-11-11 08:36:46 +01:00
sync-r4k.c MIPS: sync-r4k: reduce skew while synchronization 2016-01-24 01:31:51 +01:00
syscall.c
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sysrq.c MIPS: Refactor dumping of TLB registers for r3k/r4k 2015-09-03 12:07:45 +02:00
time.c
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topology.c
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traps.c MIPS: traps: Fix SIGFPE information leak from `do_ov' and `do_trap_or_bp' 2016-03-04 22:52:32 +01:00
unaligned.c MIPS: Declare mips_debugfs_dir in a header 2015-10-26 09:49:42 +01:00
uprobes.c MIPS: Add uprobes support. 2015-09-03 12:08:05 +02:00
vdso.c MIPS: VDSO: Add implementations of gettimeofday() and clock_gettime() 2015-11-11 08:36:41 +01:00
vmlinux.lds.S arch, ftrace: for KASAN put hard/soft IRQ entries into separate sections 2016-03-25 16:37:42 -07:00
vpe-cmp.c
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vpe-mt.c
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vpe.c module: use a structure to encapsulate layout. 2015-12-04 22:46:25 +01:00
watch.c
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