AcoSail/kernel_optimize_test
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Merge branch 'fixes' of git://git.armlinux.org.uk/~rmk/linux-arm

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Pull ARM fix from Russell King:
 "Just a single fix this time around for recent binutils causing build
  problems when generating Thumb-2 code"

* 'fixes' of git://git.armlinux.org.uk/~rmk/linux-arm:
  ARM: 8781/1: Fix Thumb-2 syscall return for binutils 2.29+
This commit is contained in:
Linus Torvalds 2018-08-01 15:01:26 -07:00
commit 6b47037682
1 changed files with 3 additions and 1 deletions
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4
arch/arm/kernel/entry-common.S
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@ -48,6 +48,7 @@ saved_pc .req lr
* from those features make this path too inefficient.
*/
ret_fast_syscall:
__ret_fast_syscall:
UNWIND(.fnstart )
UNWIND(.cantunwind )
disable_irq_notrace @ disable interrupts
@ -78,6 +79,7 @@ fast_work_pending:
* call.
*/
ret_fast_syscall:
__ret_fast_syscall:
UNWIND(.fnstart )
UNWIND(.cantunwind )
str r0, [sp, #S_R0 + S_OFF]! @ save returned r0
@ -255,7 +257,7 @@ local_restart:
tst r10, #_TIF_SYSCALL_WORK @ are we tracing syscalls?
bne __sys_trace
invoke_syscall tbl, scno, r10, ret_fast_syscall
invoke_syscall tbl, scno, r10, __ret_fast_syscall
add r1, sp, #S_OFF
2: cmp scno, #(__ARM_NR_BASE - __NR_SYSCALL_BASE)