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| author | Christophe Leroy <christophe.leroy@csgroup.eu> | 2022-02-17 15:01:58 +0300 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2022-03-07 16:05:01 +0300 |
| commit | a5f04d1f2724db036ba4087873c0691881932bc9 (patch) | |
| tree | 9c47e6eb4eeb33072cf81950a8c6155af30bd7a9 /arch/powerpc | |
| parent | 228216716cb5f9a19d70bfc40bdc0d6a7fb7e72f (diff) | |
| download | linux-a5f04d1f2724db036ba4087873c0691881932bc9.tar.xz | |
powerpc/ftrace: Regroup PPC64 specific operations in ftrace_mprofile.S
CONFIG_MPROFILE_KERNEL is only for PPC64 and ftrace_mprofile.o
is build on PPC64 only when CONFIG_MPROFILE_KERNEL is defined.
Move saving of r0 inside #ifdef PPC64
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/619dfb672bf4f1b777a4b3f8b4f14e637fea2716.1645099283.git.christophe.leroy@csgroup.eu
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/kernel/trace/ftrace_mprofile.S | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/arch/powerpc/kernel/trace/ftrace_mprofile.S b/arch/powerpc/kernel/trace/ftrace_mprofile.S index 630b2de9957b..f5d31c458e6b 100644 --- a/arch/powerpc/kernel/trace/ftrace_mprofile.S +++ b/arch/powerpc/kernel/trace/ftrace_mprofile.S @@ -33,11 +33,6 @@ * and then arrange for the ftrace function to be called. */ .macro ftrace_regs_entry allregs - /* Save the original return address in A's stack frame */ -#ifdef CONFIG_MPROFILE_KERNEL - PPC_STL r0,LRSAVE(r1) -#endif - /* Create our stack frame + pt_regs */ PPC_STLU r1,-SWITCH_FRAME_SIZE(r1) @@ -46,6 +41,8 @@ SAVE_GPRS(3, 10, r1) #ifdef CONFIG_PPC64 + /* Save the original return address in A's stack frame */ + std r0, LRSAVE+SWITCH_FRAME_SIZE(r1) /* Ok to continue? */ lbz r3, PACA_FTRACE_ENABLED(r13) cmpdi r3, 0 |