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David Woodhouse 7153a6d5ff x86/retpoline/ftrace: Convert ftrace assembler indirect jumps 
commit 9351803bd803cdbeb9b5a7850b7b6f464806e3db upstream.

Convert all indirect jumps in ftrace assembler code to use non-speculative
sequences when CONFIG_RETPOLINE is enabled.

Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Arjan van de Ven <arjan@linux.intel.com>
Acked-by: Ingo Molnar <mingo@kernel.org>
Cc: gnomes@lxorguk.ukuu.org.uk
Cc: Rik van Riel <riel@redhat.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: thomas.lendacky@amd.com
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Jiri Kosina <jikos@kernel.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Kees Cook <keescook@google.com>
Cc: Tim Chen <tim.c.chen@linux.intel.com>
Cc: Greg Kroah-Hartman <gregkh@linux-foundation.org>
Cc: Paul Turner <pjt@google.com>
Link: https://lkml.kernel.org/r/1515707194-20531-8-git-send-email-dwmw@amazon.co.uk
Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Signed-off-by: Razvan Ghitulete <rga@amazon.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-01-23 19:50:13 +01:00
..
alpha alpha: fix build failures 2017-12-25 14:22:16 +01:00
arc ARC: uaccess: dont use "l" gcc inline asm constraint modifier 2018-01-10 09:27:11 +01:00
arm KVM: Fix stack-out-of-bounds read in write_mmio 2018-01-17 09:35:24 +01:00
arm64 arm64: Initialise high_memory global variable earlier 2017-12-25 14:22:08 +01:00
avr32 avr32: off by one in at32_init_pio() 2016-10-07 15:23:45 +02:00
blackfin pinctrl: adi2: Fix Kconfig build problem 2017-12-20 10:05:00 +01:00
c6x c6x/ptrace: Remove useless PTRACE_SETREGSET implementation 2017-03-31 09:49:53 +02:00
cris cris: Only build flash rescue image if CONFIG_ETRAX_AXISFLASHMAP is selected 2017-01-12 11:22:48 +01:00
frv mm: larger stack guard gap, between vmas 2017-06-26 07:13:11 +02:00
h8300 h8300/ptrace: Fix incorrect register transfer count 2017-03-31 09:49:53 +02:00
hexagon hexagon: fix strncpy_from_user() error return 2016-09-24 10:07:44 +02:00
ia64 ia64: copy_from_user() should zero the destination on access_ok() failure 2016-09-24 10:07:46 +02:00
m32r m32r: fix __get_user() 2016-09-24 10:07:43 +02:00
m68k m68k: Fix ndelay() macro 2016-12-15 08:49:23 -08:00
metag metag/uaccess: Check access_ok in strncpy_from_user 2017-05-25 14:30:16 +02:00
microblaze microblaze: fix copy_from_user() 2016-09-24 10:07:43 +02:00
mips MIPS: Disallow outsized PTRACE_SETREGSET NT_PRFPREG regset accesses 2018-01-17 09:35:25 +01:00
mn10300 mn10300: copy_from_user() should zero on access_ok() failure... 2016-09-24 10:07:45 +02:00
nios2 nios2: reserve boot memory for device tree 2017-04-12 12:38:34 +02:00
openrisc openrisc: fix issue handling 8 byte get_user calls 2017-12-20 10:04:54 +01:00
parisc parisc: Fix alignment of pa_tlb_lock in assembly on 32-bit SMP kernel 2018-01-10 09:27:12 +01:00
powerpc powerpc/perf: Dereference BHRB entries safely 2018-01-02 20:33:21 +01:00
s390 kernel: make groups_sort calling a responsibility group_info allocators 2018-01-10 09:27:10 +01:00
score score: fix copy_from_user() and friends 2016-09-24 10:07:44 +02:00
sh serial: sh-sci: Fix register offsets for the IRDA serial port 2017-11-15 17:13:10 +01:00
sparc sparc64/mm: set fields in deferred pages 2017-12-16 10:33:55 +01:00
tile mm: larger stack guard gap, between vmas 2017-06-26 07:13:11 +02:00
um um: Don't discard .text.exit section 2016-09-07 08:32:38 +02:00
unicore32 pwm: Changes for v4.4-rc1 2015-11-11 09:16:10 -08:00
x86 x86/retpoline/ftrace: Convert ftrace assembler indirect jumps 2018-01-23 19:50:13 +01:00
xtensa mm: larger stack guard gap, between vmas 2017-06-26 07:13:11 +02:00
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Kconfig