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| author | Nicholas Piggin <npiggin@gmail.com> | 2023-04-08 05:17:50 +0300 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2023-04-20 05:54:24 +0300 |
| commit | 4e991e3c16a350d1eeffc100ce3fb25292596d03 (patch) | |
| tree | 850fa79b5e450ca0bbb807c42a50cfd54d01f70e /arch/powerpc/platforms/pseries | |
| parent | dc5dac748af9087e9240bd2ae6ae7db48d5360ae (diff) | |
| download | linux-4e991e3c16a350d1eeffc100ce3fb25292596d03.tar.xz | |
powerpc: add CFUNC assembly label annotation
This macro is to be used in assembly where C functions are called.
pcrel addressing mode requires branches to functions with a
localentry value of 1 to have either a trailing nop or @notoc.
This macro permits the latter without changing callers.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
[mpe: Add dummy definitions to fix selftests build]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20230408021752.862660-5-npiggin@gmail.com
Diffstat (limited to 'arch/powerpc/platforms/pseries')
| -rw-r--r-- | arch/powerpc/platforms/pseries/hvCall.S | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/powerpc/platforms/pseries/hvCall.S b/arch/powerpc/platforms/pseries/hvCall.S index 783c16ad648b..35254ac7af5e 100644 --- a/arch/powerpc/platforms/pseries/hvCall.S +++ b/arch/powerpc/platforms/pseries/hvCall.S @@ -44,7 +44,7 @@ hcall_tracepoint_refcount: std r0,16(r1); \ addi r4,r1,STK_PARAM(FIRST_REG); \ stdu r1,-STACK_FRAME_MIN_SIZE(r1); \ - bl __trace_hcall_entry; \ + bl CFUNC(__trace_hcall_entry); \ ld r3,STACK_FRAME_MIN_SIZE+STK_PARAM(R3)(r1); \ ld r4,STACK_FRAME_MIN_SIZE+STK_PARAM(R4)(r1); \ ld r5,STACK_FRAME_MIN_SIZE+STK_PARAM(R5)(r1); \ @@ -63,7 +63,7 @@ hcall_tracepoint_refcount: std r3,STACK_FRAME_MIN_SIZE+STK_PARAM(R3)(r1); \ mr r4,r3; \ mr r3,r0; \ - bl __trace_hcall_exit; \ + bl CFUNC(__trace_hcall_exit); \ ld r0,STACK_FRAME_MIN_SIZE+16(r1); \ addi r1,r1,STACK_FRAME_MIN_SIZE; \ ld r3,STK_PARAM(R3)(r1); \ |