Commit e83dd377 authored by Drew Richardson's avatar Drew Richardson Committed by Russell King
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ARM: 8409/1: Mark ret_fast_syscall as a function



ret_fast_syscall runs when user space makes a syscall. However it
needs to be marked as such so the ELF information is correct. Before
it was:

   101: 8000f300     0 NOTYPE  LOCAL  DEFAULT    2 ret_fast_syscall

But with this change it correctly shows as:

   101: 8000f300    96 FUNC    LOCAL  DEFAULT    2 ret_fast_syscall

I see this function when using perf to unwind call stacks from kernel
space to user space. Without this change I would need to add some
special case logic when using the vmlinux ELF information.
Signed-off-by: default avatarDrew Richardson <drew.richardson@arm.com>
Acked-by: default avatarNicolas Pitre <nico@linaro.org>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent 998ef5d8
...@@ -61,6 +61,7 @@ work_pending: ...@@ -61,6 +61,7 @@ work_pending:
movlt scno, #(__NR_restart_syscall - __NR_SYSCALL_BASE) movlt scno, #(__NR_restart_syscall - __NR_SYSCALL_BASE)
ldmia sp, {r0 - r6} @ have to reload r0 - r6 ldmia sp, {r0 - r6} @ have to reload r0 - r6
b local_restart @ ... and off we go b local_restart @ ... and off we go
ENDPROC(ret_fast_syscall)
/* /*
* "slow" syscall return path. "why" tells us if this was a real syscall. * "slow" syscall return path. "why" tells us if this was a real syscall.
......
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