summaryrefslogtreecommitdiff
path: root/include/uapi/linux/signalfd.h
diff options
context:
space:
mode:
authorMarco Elver <elver@google.com>2021-04-08 13:36:00 +0300
committerPeter Zijlstra <peterz@infradead.org>2021-04-16 17:32:41 +0300
commitfb6cc127e0b6e629252cdd0f77d5a1f49db95b92 (patch)
treed87b4f9b27913150809daadbb6674929832762ba /include/uapi/linux/signalfd.h
parent2e498d0a74e5b88a6689ae1b811f247f91ff188e (diff)
downloadlinux-fb6cc127e0b6e629252cdd0f77d5a1f49db95b92.tar.xz
signal: Introduce TRAP_PERF si_code and si_perf to siginfo
Introduces the TRAP_PERF si_code, and associated siginfo_t field si_perf. These will be used by the perf event subsystem to send signals (if requested) to the task where an event occurred. Signed-off-by: Marco Elver <elver@google.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> # m68k Acked-by: Arnd Bergmann <arnd@arndb.de> # asm-generic Link: https://lkml.kernel.org/r/20210408103605.1676875-6-elver@google.com
Diffstat (limited to 'include/uapi/linux/signalfd.h')
-rw-r--r--include/uapi/linux/signalfd.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/include/uapi/linux/signalfd.h b/include/uapi/linux/signalfd.h
index 83429a05b698..7e333042c7e3 100644
--- a/include/uapi/linux/signalfd.h
+++ b/include/uapi/linux/signalfd.h
@@ -39,6 +39,8 @@ struct signalfd_siginfo {
__s32 ssi_syscall;
__u64 ssi_call_addr;
__u32 ssi_arch;
+ __u32 __pad3;
+ __u64 ssi_perf;
/*
* Pad strcture to 128 bytes. Remember to update the
@@ -49,7 +51,7 @@ struct signalfd_siginfo {
* comes out of a read(2) and we really don't want to have
* a compat on read(2).
*/
- __u8 __pad[28];
+ __u8 __pad[16];
};