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| author | Christophe Leroy <christophe.leroy@csgroup.eu> | 2020-08-18 20:19:23 +0300 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2020-12-03 17:01:12 +0300 |
| commit | 7fe8f773ee248c726cec2addcdb94056049d6e34 (patch) | |
| tree | df2eaf7dbb76c312ad90d2c833a1e572dcea0ad2 /arch/powerpc/kernel/signal.c | |
| parent | c180cb305c9bba094657259487d563c8fbfb648b (diff) | |
| download | linux-7fe8f773ee248c726cec2addcdb94056049d6e34.tar.xz | |
powerpc/signal: Refactor bad frame logging
The logging of bad frame appears half a dozen of times
and is pretty similar.
Create signal_fault() fonction to perform that logging.
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/fa094445c119fc00315e1c13783b493346306c6a.1597770847.git.christophe.leroy@csgroup.eu
Diffstat (limited to 'arch/powerpc/kernel/signal.c')
| -rw-r--r-- | arch/powerpc/kernel/signal.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/signal.c b/arch/powerpc/kernel/signal.c index c3f61dc0a589..190c866d00a1 100644 --- a/arch/powerpc/kernel/signal.c +++ b/arch/powerpc/kernel/signal.c @@ -351,3 +351,14 @@ static unsigned long get_tm_stackpointer(struct task_struct *tsk) #endif return ret; } + +static const char fm32[] = KERN_INFO "%s[%d]: bad frame in %s: %p nip %08lx lr %08lx\n"; +static const char fm64[] = KERN_INFO "%s[%d]: bad frame in %s: %p nip %016lx lr %016lx\n"; + +void signal_fault(struct task_struct *tsk, struct pt_regs *regs, + const char *where, void __user *ptr) +{ + if (show_unhandled_signals) + printk_ratelimited(regs->msr & MSR_64BIT ? fm64 : fm32, tsk->comm, + task_pid_nr(tsk), where, ptr, regs->nip, regs->link); +} |