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| author | Athira Rajeev <atrajeev@linux.vnet.ibm.com> | 2023-09-29 22:53:37 +0530 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2023-09-30 22:52:18 +1000 |
| commit | dfb5f8cbd5992d5769edfd3e059fad9e0b8bdafb (patch) | |
| tree | 2ba0dd1678e098bd5a2ad3c4c266df13534590a7 /arch/powerpc | |
| parent | 3b678768c0458e6d8d45fadf61423e44effed4cb (diff) | |
| download | lwn-dfb5f8cbd5992d5769edfd3e059fad9e0b8bdafb.tar.gz lwn-dfb5f8cbd5992d5769edfd3e059fad9e0b8bdafb.zip | |
powerpc/pseries: Remove unused r0 in the hcall tracing code
In the plpar_hcall trace code, currently we use r0
to store the value of r4. But this value is not
used subsequently in the code. Hence remove this unused
save to r0 in plpar_hcall and plpar_hcall9
Suggested-by: Naveen N Rao <naveen@kernel.org>
Signed-off-by: Athira Rajeev <atrajeev@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20230929172337.7906-2-atrajeev@linux.vnet.ibm.com
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/platforms/pseries/hvCall.S | 4 |
1 files changed, 0 insertions, 4 deletions
diff --git a/arch/powerpc/platforms/pseries/hvCall.S b/arch/powerpc/platforms/pseries/hvCall.S index 2addf2ea03f0..2b0cac6fb61f 100644 --- a/arch/powerpc/platforms/pseries/hvCall.S +++ b/arch/powerpc/platforms/pseries/hvCall.S @@ -184,8 +184,6 @@ _GLOBAL_TOC(plpar_hcall) plpar_hcall_trace: HCALL_INST_PRECALL(R5) - mr r0,r4 - mr r4,r5 mr r5,r6 mr r6,r7 @@ -295,8 +293,6 @@ _GLOBAL_TOC(plpar_hcall9) plpar_hcall9_trace: HCALL_INST_PRECALL(R5) - mr r0,r4 - mr r4,r5 mr r5,r6 mr r6,r7 |