diff options
| author | Gabriel Krisman Bertazi <[email protected]> | 2020-11-27 14:32:33 -0500 |
|---|---|---|
| committer | Thomas Gleixner <[email protected]> | 2020-12-02 10:32:16 +0100 |
| commit | 1d7637d89cfce54a4f4a41c2325288c2f47470e8 (patch) | |
| tree | 0928cb84b5f2b39c156e1693581f8b0e9707a378 | |
| parent | c5c878125ad5aca199dfc10b1af4010165aaa596 (diff) | |
signal: Expose SYS_USER_DISPATCH si_code type
SYS_USER_DISPATCH will be triggered when a syscall is sent to userspace
by the Syscall User Dispatch mechanism. This adjusts eventual
BUILD_BUG_ON around the tree.
Signed-off-by: Gabriel Krisman Bertazi <[email protected]>
Signed-off-by: Thomas Gleixner <[email protected]>
Reviewed-by: Andy Lutomirski <[email protected]>
Acked-by: Kees Cook <[email protected]>
Acked-by: Christian Brauner <[email protected]>
Acked-by: Peter Zijlstra (Intel) <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
| -rw-r--r-- | arch/x86/kernel/signal_compat.c | 2 | ||||
| -rw-r--r-- | include/uapi/asm-generic/siginfo.h | 3 |
2 files changed, 3 insertions, 2 deletions
diff --git a/arch/x86/kernel/signal_compat.c b/arch/x86/kernel/signal_compat.c index a7f3e12cfbdb..d7b51870f16b 100644 --- a/arch/x86/kernel/signal_compat.c +++ b/arch/x86/kernel/signal_compat.c @@ -31,7 +31,7 @@ static inline void signal_compat_build_tests(void) BUILD_BUG_ON(NSIGBUS != 5); BUILD_BUG_ON(NSIGTRAP != 5); BUILD_BUG_ON(NSIGCHLD != 6); - BUILD_BUG_ON(NSIGSYS != 1); + BUILD_BUG_ON(NSIGSYS != 2); /* This is part of the ABI and can never change in size: */ BUILD_BUG_ON(sizeof(compat_siginfo_t) != 128); diff --git a/include/uapi/asm-generic/siginfo.h b/include/uapi/asm-generic/siginfo.h index 7aacf9389010..d2597000407a 100644 --- a/include/uapi/asm-generic/siginfo.h +++ b/include/uapi/asm-generic/siginfo.h @@ -286,7 +286,8 @@ typedef struct siginfo { * SIGSYS si_codes */ #define SYS_SECCOMP 1 /* seccomp triggered */ -#define NSIGSYS 1 +#define SYS_USER_DISPATCH 2 /* syscall user dispatch triggered */ +#define NSIGSYS 2 /* * SIGEMT si_codes |