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authorChristophe Leroy <christophe.leroy@csgroup.eu>2021-05-20 10:23:03 +0000
committerMichael Ellerman <mpe@ellerman.id.au>2021-06-16 00:16:47 +1000
commit1c9debbc2eb5391277ae6aa7d95f821e0c28613d (patch)
treef664866e1e4d96f0906454589229c8a7f10cab36 /arch/powerpc/kernel/signal_32.c
parent8804d5beef9189fd2eae5aee14e1628436742e02 (diff)
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powerpc/signal: Use PPC_RAW_xx() macros
To improve readability, use PPC_RAW_xx() macros instead of open coding. Those macros are self-explanatory so the comments can go as well. Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/4ca2bfdca2f47a293d05f61eb3c4e487ee170f1f.1621506159.git.christophe.leroy@csgroup.eu
Diffstat (limited to 'arch/powerpc/kernel/signal_32.c')
-rw-r--r--arch/powerpc/kernel/signal_32.c11
1 files changed, 4 insertions, 7 deletions
diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c
index 8f05ed0da292..a50d091334ea 100644
--- a/arch/powerpc/kernel/signal_32.c
+++ b/arch/powerpc/kernel/signal_32.c
@@ -828,10 +828,8 @@ int handle_rt_signal32(struct ksignal *ksig, sigset_t *oldset,
tramp = VDSO32_SYMBOL(tsk->mm->context.vdso, sigtramp_rt32);
} else {
tramp = (unsigned long)mctx->mc_pad;
- /* Set up the sigreturn trampoline: li r0,sigret; sc */
- unsafe_put_user(PPC_INST_ADDI + __NR_rt_sigreturn, &mctx->mc_pad[0],
- failed);
- unsafe_put_user(PPC_INST_SC, &mctx->mc_pad[1], failed);
+ unsafe_put_user(PPC_RAW_LI(_R0, __NR_rt_sigreturn), &mctx->mc_pad[0], failed);
+ unsafe_put_user(PPC_RAW_SC(), &mctx->mc_pad[1], failed);
asm("dcbst %y0; sync; icbi %y0; sync" :: "Z" (mctx->mc_pad[0]));
}
unsafe_put_sigset_t(&frame->uc.uc_sigmask, oldset, failed);
@@ -926,9 +924,8 @@ int handle_signal32(struct ksignal *ksig, sigset_t *oldset,
tramp = VDSO32_SYMBOL(tsk->mm->context.vdso, sigtramp32);
} else {
tramp = (unsigned long)mctx->mc_pad;
- /* Set up the sigreturn trampoline: li r0,sigret; sc */
- unsafe_put_user(PPC_INST_ADDI + __NR_sigreturn, &mctx->mc_pad[0], failed);
- unsafe_put_user(PPC_INST_SC, &mctx->mc_pad[1], failed);
+ unsafe_put_user(PPC_RAW_LI(_R0, __NR_sigreturn), &mctx->mc_pad[0], failed);
+ unsafe_put_user(PPC_RAW_SC(), &mctx->mc_pad[1], failed);
asm("dcbst %y0; sync; icbi %y0; sync" :: "Z" (mctx->mc_pad[0]));
}
user_access_end();