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authorIngo Molnar <[email protected]>2016-06-08 09:26:46 +0200
committerIngo Molnar <[email protected]>2016-06-08 09:26:46 +0200
commit616d1c1b98ac79f30216a57a170dd7cea19b3df3 (patch)
tree6f244c2e5a7160190e73bc82b4cd7fa7bb22ee31 /arch/mips/kernel/signal.c
parenta4f144ebbdf6f7807c477bce8e136047ed27321f (diff)
parentc8ae067f2635be0f8c7e5db1bb74b757d623e05b (diff)
Merge branch 'linus' into perf/core, to refresh the branch
Signed-off-by: Ingo Molnar <[email protected]>
Diffstat (limited to 'arch/mips/kernel/signal.c')
-rw-r--r--arch/mips/kernel/signal.c17
1 files changed, 6 insertions, 11 deletions
diff --git a/arch/mips/kernel/signal.c b/arch/mips/kernel/signal.c
index bf792e2839a6..ae4231452115 100644
--- a/arch/mips/kernel/signal.c
+++ b/arch/mips/kernel/signal.c
@@ -195,6 +195,9 @@ static int restore_msa_extcontext(void __user *buf, unsigned int size)
unsigned int csr;
int i, err;
+ if (!config_enabled(CONFIG_CPU_HAS_MSA))
+ return SIGSYS;
+
if (size != sizeof(*msa))
return -EINVAL;
@@ -398,8 +401,8 @@ int protected_restore_fp_context(void __user *sc)
}
fp_done:
- if (used & USED_EXTCONTEXT)
- err |= restore_extcontext(sc_to_extcontext(sc));
+ if (!err && (used & USED_EXTCONTEXT))
+ err = restore_extcontext(sc_to_extcontext(sc));
return err ?: sig;
}
@@ -767,15 +770,7 @@ static void handle_signal(struct ksignal *ksig, struct pt_regs *regs)
sigset_t *oldset = sigmask_to_save();
int ret;
struct mips_abi *abi = current->thread.abi;
-#ifdef CONFIG_CPU_MICROMIPS
- void *vdso;
- unsigned long tmp = (unsigned long)current->mm->context.vdso;
-
- set_isa16_mode(tmp);
- vdso = (void *)tmp;
-#else
void *vdso = current->mm->context.vdso;
-#endif
if (regs->regs[0]) {
switch(regs->regs[2]) {
@@ -798,7 +793,7 @@ static void handle_signal(struct ksignal *ksig, struct pt_regs *regs)
regs->regs[0] = 0; /* Don't deal with this again. */
}
- if (sig_uses_siginfo(&ksig->ka))
+ if (sig_uses_siginfo(&ksig->ka, abi))
ret = abi->setup_rt_frame(vdso + abi->vdso->off_rt_sigreturn,
ksig, regs, oldset);
else