diff options
| author | Paul Burton <paul.burton@mips.com> | 2018-06-14 10:22:44 -0700 |
|---|---|---|
| committer | Paul Burton <paul.burton@mips.com> | 2018-06-19 21:14:09 -0700 |
| commit | e426b3754a2cb8bb45b71283fdac0cfc6d247db7 (patch) | |
| tree | 63bc5558e854258e9c8371b8263731ffe19d0dcc /arch/mips | |
| parent | 9bcf53598dfe1bd8caaf8e03738d3cc51d45904e (diff) | |
| download | linux-e426b3754a2cb8bb45b71283fdac0cfc6d247db7.tar.gz | |
MIPS: Wire up the restartable sequences (rseq) syscall
Wire up the restartable sequences (rseq) syscall for MIPS. This was
introduced by commit d7822b1e24f2 ("rseq: Introduce restartable
sequences system call") & MIPS now supports the prerequisites.
Signed-off-by: Paul Burton <paul.burton@mips.com>
Reviewed-by: James Hogan <jhogan@kernel.org>
Patchwork: https://patchwork.linux-mips.org/patch/19525/
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Boqun Feng <boqun.feng@gmail.com>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Diffstat (limited to 'arch/mips')
| -rw-r--r-- | arch/mips/include/uapi/asm/unistd.h | 15 | ||||
| -rw-r--r-- | arch/mips/kernel/scall32-o32.S | 1 | ||||
| -rw-r--r-- | arch/mips/kernel/scall64-64.S | 1 | ||||
| -rw-r--r-- | arch/mips/kernel/scall64-n32.S | 1 | ||||
| -rw-r--r-- | arch/mips/kernel/scall64-o32.S | 1 |
5 files changed, 13 insertions, 6 deletions
diff --git a/arch/mips/include/uapi/asm/unistd.h b/arch/mips/include/uapi/asm/unistd.h index bb05e9916a5f..170bf0b5b250 100644 --- a/arch/mips/include/uapi/asm/unistd.h +++ b/arch/mips/include/uapi/asm/unistd.h @@ -388,17 +388,18 @@ #define __NR_pkey_alloc (__NR_Linux + 364) #define __NR_pkey_free (__NR_Linux + 365) #define __NR_statx (__NR_Linux + 366) +#define __NR_rseq (__NR_Linux + 367) /* * Offset of the last Linux o32 flavoured syscall */ -#define __NR_Linux_syscalls 366 +#define __NR_Linux_syscalls 367 #endif /* _MIPS_SIM == _MIPS_SIM_ABI32 */ #define __NR_O32_Linux 4000 -#define __NR_O32_Linux_syscalls 366 +#define __NR_O32_Linux_syscalls 367 #if _MIPS_SIM == _MIPS_SIM_ABI64 @@ -733,16 +734,17 @@ #define __NR_pkey_alloc (__NR_Linux + 324) #define __NR_pkey_free (__NR_Linux + 325) #define __NR_statx (__NR_Linux + 326) +#define __NR_rseq (__NR_Linux + 327) /* * Offset of the last Linux 64-bit flavoured syscall */ -#define __NR_Linux_syscalls 326 +#define __NR_Linux_syscalls 327 #endif /* _MIPS_SIM == _MIPS_SIM_ABI64 */ #define __NR_64_Linux 5000 -#define __NR_64_Linux_syscalls 326 +#define __NR_64_Linux_syscalls 327 #if _MIPS_SIM == _MIPS_SIM_NABI32 @@ -1081,15 +1083,16 @@ #define __NR_pkey_alloc (__NR_Linux + 328) #define __NR_pkey_free (__NR_Linux + 329) #define __NR_statx (__NR_Linux + 330) +#define __NR_rseq (__NR_Linux + 331) /* * Offset of the last N32 flavoured syscall */ -#define __NR_Linux_syscalls 330 +#define __NR_Linux_syscalls 331 #endif /* _MIPS_SIM == _MIPS_SIM_NABI32 */ #define __NR_N32_Linux 6000 -#define __NR_N32_Linux_syscalls 330 +#define __NR_N32_Linux_syscalls 331 #endif /* _UAPI_ASM_UNISTD_H */ diff --git a/arch/mips/kernel/scall32-o32.S b/arch/mips/kernel/scall32-o32.S index a9a7d78803cd..842ff1612893 100644 --- a/arch/mips/kernel/scall32-o32.S +++ b/arch/mips/kernel/scall32-o32.S @@ -590,3 +590,4 @@ EXPORT(sys_call_table) PTR sys_pkey_alloc PTR sys_pkey_free /* 4365 */ PTR sys_statx + PTR sys_rseq diff --git a/arch/mips/kernel/scall64-64.S b/arch/mips/kernel/scall64-64.S index 65d5aeeb9bdb..558830d1e5ba 100644 --- a/arch/mips/kernel/scall64-64.S +++ b/arch/mips/kernel/scall64-64.S @@ -439,4 +439,5 @@ EXPORT(sys_call_table) PTR sys_pkey_alloc PTR sys_pkey_free /* 5325 */ PTR sys_statx + PTR sys_rseq .size sys_call_table,.-sys_call_table diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S index cbf190ef9e8a..293f0b0119f3 100644 --- a/arch/mips/kernel/scall64-n32.S +++ b/arch/mips/kernel/scall64-n32.S @@ -434,4 +434,5 @@ EXPORT(sysn32_call_table) PTR sys_pkey_alloc PTR sys_pkey_free PTR sys_statx /* 6330 */ + PTR sys_rseq .size sysn32_call_table,.-sysn32_call_table diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S index 9ebe3e2403b1..f13a08de8078 100644 --- a/arch/mips/kernel/scall64-o32.S +++ b/arch/mips/kernel/scall64-o32.S @@ -583,4 +583,5 @@ EXPORT(sys32_call_table) PTR sys_pkey_alloc PTR sys_pkey_free /* 4365 */ PTR sys_statx + PTR sys_rseq .size sys32_call_table,.-sys32_call_table |