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Groups > linux.kernel > #1248082
| From | Leonid Yegoshin <Leonid.Yegoshin@imgtec.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH] MIPS64: signal: n64 kernel bugfix of MIPS32 o32 ABI sigaction syscall |
| Date | 2015-10-15 21:00 +0200 |
| Message-ID | <qjVUR-6LD-9@gated-at.bofh.it> (permalink) |
| Organization | linux.* mail to news gateway |
MIPS32 o32 ABI sigaction() processing on MIPS64 n64 kernel was incorrectly set to processing aka rt_sigaction() variant only. Fixed. Signed-off-by: Leonid Yegoshin <Leonid.Yegoshin@imgtec.com> --- arch/mips/include/asm/signal.h | 15 ++++++++++++--- arch/mips/kernel/signal.c | 2 +- 2 files changed, 13 insertions(+), 4 deletions(-) diff --git a/arch/mips/include/asm/signal.h b/arch/mips/include/asm/signal.h index 003e273eff4c..06fe599782df 100644 --- a/arch/mips/include/asm/signal.h +++ b/arch/mips/include/asm/signal.h @@ -11,11 +11,20 @@ #include <uapi/asm/signal.h> +#ifdef CONFIG_MIPS32_COMPAT +extern struct mips_abi mips_abi_32; -#ifdef CONFIG_TRAD_SIGNALS -#define sig_uses_siginfo(ka) ((ka)->sa.sa_flags & SA_SIGINFO) +#define sig_uses_siginfo(ka, abi) \ + (config_enabled(CONFIG_64BIT) ? \ + (config_enabled(CONFIG_MIPS32_COMPAT) ? \ + (abi != &mips_abi_32) : 1) : \ + (config_enabled(CONFIG_TRAD_SIGNALS) ? \ + ((ka)->sa.sa_flags & SA_SIGINFO) : 1) ) #else -#define sig_uses_siginfo(ka) (1) +#define sig_uses_siginfo(ka, abi) \ + (config_enabled(CONFIG_64BIT) ? 1 : \ + (config_enabled(CONFIG_TRAD_SIGNALS) ? \ + ((ka)->sa.sa_flags & SA_SIGINFO) : 1) ) #endif #include <asm/sigcontext.h> diff --git a/arch/mips/kernel/signal.c b/arch/mips/kernel/signal.c index bf792e2839a6..5f18d0b879e0 100644 --- a/arch/mips/kernel/signal.c +++ b/arch/mips/kernel/signal.c @@ -798,7 +798,7 @@ 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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[PATCH] MIPS64: signal: n64 kernel bugfix of MIPS32 o32 ABI sigaction syscall Leonid Yegoshin <Leonid.Yegoshin@imgtec.com> - 2015-10-15 21:00 +0200
Re: [PATCH] MIPS64: signal: n64 kernel bugfix of MIPS32 o32 ABI sigaction syscall Markos Chandras <Markos.Chandras@imgtec.com> - 2015-10-16 10:20 +0200
Re: [PATCH] MIPS64: signal: n64 kernel bugfix of MIPS32 o32 ABI sigaction syscall Leonid Yegoshin <Leonid.Yegoshin@imgtec.com> - 2015-10-16 20:20 +0200
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