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| author |  Vincenzo Frascino <vincenzo.frascino@arm.com>
| 2019-08-07 12:21:05 +0100 |
|---|---|---|
| committer |  Catalin Marinas <catalin.marinas@arm.com>
| 2020-09-04 12:46:06 +0100 |
| commit | 74f1082487feb90bbf880af14beb8e29c3030c9f (patch) | |
| tree | 86d4862d857d0df50c57e8b9801711d80045b165 | |
| parent | arm64: kvm: mte: Hide the MTE CPUID information from the guests (diff) | |
| download | linux-74f1082487feb90bbf880af14beb8e29c3030c9f.tar.gz linux-74f1082487feb90bbf880af14beb8e29c3030c9f.tar.bz2 linux-74f1082487feb90bbf880af14beb8e29c3030c9f.zip | |
arm64: mte: Add specific SIGSEGV codes
Add MTE-specific SIGSEGV codes to siginfo.h and update the x86
BUILD_BUG_ON(NSIGSEGV != 7) compile check.
Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
[catalin.marinas@arm.com: renamed precise/imprecise to sync/async]
[catalin.marinas@arm.com: dropped #ifdef __aarch64__, renumbered]
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Will Deacon <will@kernel.org>
| -rw-r--r-- | arch/x86/kernel/signal_compat.c | 2 | ||||
| -rw-r--r-- | include/uapi/asm-generic/siginfo.h | 4 |
2 files changed, 4 insertions, 2 deletions
diff --git a/arch/x86/kernel/signal_compat.c b/arch/x86/kernel/signal_compat.c index 9ccbf0576cd0..a7f3e12cfbdb 100644 --- a/arch/x86/kernel/signal_compat.c +++ b/arch/x86/kernel/signal_compat.c @@ -27,7 +27,7 @@ static inline void signal_compat_build_tests(void) */ BUILD_BUG_ON(NSIGILL != 11); BUILD_BUG_ON(NSIGFPE != 15); - BUILD_BUG_ON(NSIGSEGV != 7); + BUILD_BUG_ON(NSIGSEGV != 9); BUILD_BUG_ON(NSIGBUS != 5); BUILD_BUG_ON(NSIGTRAP != 5); BUILD_BUG_ON(NSIGCHLD != 6); diff --git a/include/uapi/asm-generic/siginfo.h b/include/uapi/asm-generic/siginfo.h index cb3d6c267181..7aacf9389010 100644 --- a/include/uapi/asm-generic/siginfo.h +++ b/include/uapi/asm-generic/siginfo.h @@ -229,7 +229,9 @@ typedef struct siginfo { #define SEGV_ACCADI 5 /* ADI not enabled for mapped object */ #define SEGV_ADIDERR 6 /* Disrupting MCD error */ #define SEGV_ADIPERR 7 /* Precise MCD exception */ -#define NSIGSEGV 7 +#define SEGV_MTEAERR 8 /* Asynchronous ARM MTE error */ +#define SEGV_MTESERR 9 /* Synchronous ARM MTE exception */ +#define NSIGSEGV 9 /* * SIGBUS si_codes |