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powerpc/ftrace: Use STK_GOT in ftrace_mprofile.S 

Instead of open coding offset value 24, use STK_GOT when
accessing got register in stack.

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/9042bb30fa972056715fe5b6598a7c8049681293.1645099283.git.christophe.leroy@csgroup.eu
This commit is contained in:
Christophe Leroy 2022-02-17 13:01:59 +01:00 committed by Michael Ellerman
parent a5f04d1f27
commit 2ca48dbb21
1 changed files with 2 additions and 2 deletions
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4
arch/powerpc/kernel/trace/ftrace_mprofile.S
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@ -82,7 +82,7 @@
#ifdef CONFIG_PPC64
/* Save callee's TOC in the ABI compliant location */
std r2, 24(r1)
std r2, STK_GOT(r1)
ld r2,PACATOC(r13) /* get kernel TOC in r2 */
addis r3,r2,function_trace_op@toc@ha
@ -140,7 +140,7 @@
#ifdef CONFIG_PPC64
/* Restore callee's TOC */
ld r2, 24(r1)
ld r2, STK_GOT(r1)
#endif
/* Pop our stack frame */