Hi,
> diff --git a/arch/mips/kernel/Makefile b/arch/mips/kernel/Makefile
> index 881c467..108171a 100644
> --- a/arch/mips/kernel/Makefile
> +++ b/arch/mips/kernel/Makefile
> @@ -56,8 +56,8 @@ obj-$(CONFIG_32BIT) += scall32-o32.o
> obj-$(CONFIG_64BIT) += scall64-64.o
> obj-$(CONFIG_BINFMT_IRIX) += binfmt_irix.o
> obj-$(CONFIG_MIPS32_COMPAT) += linux32.o signal32.o
> -obj-$(CONFIG_MIPS32_N32) += binfmt_elfn32.o scall64-n32.o signal_n32.o
> -obj-$(CONFIG_MIPS32_O32) += binfmt_elfo32.o scall64-o32.o ptrace32.o
> +obj-$(CONFIG_MIPS32_N32) += binfmt_elfn32.o scall64-n32.o signal_n32.o
> compat32.o
> +obj-$(CONFIG_MIPS32_O32) += binfmt_elfo32.o scall64-o32.o ptrace32.o
> compat32.o
Why do you separate comapt32.o ?
> diff --git a/arch/mips/kernel/compat32.c b/arch/mips/kernel/compat32.c
> new file mode 100644
> index 0000000..858f7db
> --- /dev/null
> +++ b/arch/mips/kernel/compat32.c
<snip>
> +int copy_siginfo_to_user32(compat_siginfo_t *to, siginfo_t *from)
see include/linux/compat.h .
int copy_siginfo_to_user32(struct compat_siginfo __user *to, siginfo_t *from);
> diff --git a/arch/mips/kernel/compat32.h b/arch/mips/kernel/compat32.h
> new file mode 100644
> index 0000000..e2bb23b
> --- /dev/null
> +++ b/arch/mips/kernel/compat32.h
> @@ -0,0 +1,76 @@
<snip>
> +int copy_siginfo_to_user32(compat_siginfo_t *to, siginfo_t *from);
It's already defined in include/linux/compat.h .
> diff --git a/arch/mips/kernel/signal_n32.c b/arch/mips/kernel/signal_n32.c
> index 477c533..f805bea 100644
> --- a/arch/mips/kernel/signal_n32.c
> +++ b/arch/mips/kernel/signal_n32.c
<snip>
> @@ -74,7 +76,7 @@ #if ICACHE_REFILLS_WORKAROUND_WAR
> #else
> u32 rs_code[2]; /* signal trampoline */
> #endif
> - struct siginfo rs_info;
> + compat_siginfo_t rs_info;
use struct compat_siginfo .
Yoichi
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