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| Started by | Mathieu Desnoyers <mathieu.desnoyers@efficios.com> |
|---|---|
| First post | 2015-08-27 20:10 +0200 |
| Last post | 2015-08-28 16:10 +0200 |
| Articles | 3 — 2 participants |
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[RFC PATCH 4/9] mips: allocate sys_membarrier system call number Mathieu Desnoyers <mathieu.desnoyers@efficios.com> - 2015-08-27 20:10 +0200
Re: [RFC PATCH 4/9] mips: allocate sys_membarrier system call number Ralf Baechle <ralf@linux-mips.org> - 2015-08-28 09:50 +0200
Re: [RFC PATCH 4/9] mips: allocate sys_membarrier system call number Mathieu Desnoyers <mathieu.desnoyers@efficios.com> - 2015-08-28 16:10 +0200
| From | Mathieu Desnoyers <mathieu.desnoyers@efficios.com> |
|---|---|
| Date | 2015-08-27 20:10 +0200 |
| Subject | [RFC PATCH 4/9] mips: allocate sys_membarrier system call number |
| Message-ID | <q29MC-3F0-21@gated-at.bofh.it> |
[ Untested on this architecture. To try it out: fetch linux-next/akpm, apply this patch, build/run a membarrier-enabled kernel, and do make kselftest. ] Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> CC: Andrew Morton <akpm@linux-foundation.org> CC: linux-api@vger.kernel.org CC: Ralf Baechle <ralf@linux-mips.org> CC: linux-mips@linux-mips.org --- arch/mips/include/uapi/asm/unistd.h | 15 +++++++++------ arch/mips/kernel/scall32-o32.S | 1 + arch/mips/kernel/scall64-64.S | 1 + arch/mips/kernel/scall64-n32.S | 1 + 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 d0bdfaa..b107983 100644 --- a/arch/mips/include/uapi/asm/unistd.h +++ b/arch/mips/include/uapi/asm/unistd.h @@ -378,16 +378,17 @@ #define __NR_bpf (__NR_Linux + 355) #define __NR_execveat (__NR_Linux + 356) #define __NR_mlock2 (__NR_Linux + 357) +#define __NR_membarrier (__NR_Linux + 358) /* * Offset of the last Linux o32 flavoured syscall */ -#define __NR_Linux_syscalls 357 +#define __NR_Linux_syscalls 358 #endif /* _MIPS_SIM == _MIPS_SIM_ABI32 */ #define __NR_O32_Linux 4000 -#define __NR_O32_Linux_syscalls 357 +#define __NR_O32_Linux_syscalls 358 #if _MIPS_SIM == _MIPS_SIM_ABI64 @@ -713,16 +714,17 @@ #define __NR_bpf (__NR_Linux + 315) #define __NR_execveat (__NR_Linux + 316) #define __NR_mlock2 (__NR_Linux + 317) +#define __NR_membarrier (__NR_Linux + 318) /* * Offset of the last Linux 64-bit flavoured syscall */ -#define __NR_Linux_syscalls 317 +#define __NR_Linux_syscalls 318 #endif /* _MIPS_SIM == _MIPS_SIM_ABI64 */ #define __NR_64_Linux 5000 -#define __NR_64_Linux_syscalls 317 +#define __NR_64_Linux_syscalls 318 #if _MIPS_SIM == _MIPS_SIM_NABI32 @@ -1052,15 +1054,16 @@ #define __NR_bpf (__NR_Linux + 319) #define __NR_execveat (__NR_Linux + 320) #define __NR_mlock2 (__NR_Linux + 321) +#define __NR_membarrier (__NR_Linux + 322) /* * Offset of the last N32 flavoured syscall */ -#define __NR_Linux_syscalls 321 +#define __NR_Linux_syscalls 322 #endif /* _MIPS_SIM == _MIPS_SIM_NABI32 */ #define __NR_N32_Linux 6000 -#define __NR_N32_Linux_syscalls 321 +#define __NR_N32_Linux_syscalls 322 #endif /* _UAPI_ASM_UNISTD_H */ diff --git a/arch/mips/kernel/scall32-o32.S b/arch/mips/kernel/scall32-o32.S index b0b377a..9265542 100644 --- a/arch/mips/kernel/scall32-o32.S +++ b/arch/mips/kernel/scall32-o32.S @@ -600,3 +600,4 @@ EXPORT(sys_call_table) PTR sys_bpf /* 4355 */ PTR sys_execveat PTR sys_mlock2 + PTR sys_membarrier diff --git a/arch/mips/kernel/scall64-64.S b/arch/mips/kernel/scall64-64.S index f12eb03..79d4fb0 100644 --- a/arch/mips/kernel/scall64-64.S +++ b/arch/mips/kernel/scall64-64.S @@ -437,4 +437,5 @@ EXPORT(sys_call_table) PTR sys_bpf /* 5315 */ PTR sys_execveat PTR sys_mlock2 + PTR sys_membarrier .size sys_call_table,.-sys_call_table diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S index ecdd65a..235892a 100644 --- a/arch/mips/kernel/scall64-n32.S +++ b/arch/mips/kernel/scall64-n32.S @@ -430,4 +430,5 @@ EXPORT(sysn32_call_table) PTR sys_bpf PTR compat_sys_execveat /* 6320 */ PTR sys_mlock2 + PTR sys_membarrier .size sysn32_call_table,.-sysn32_call_table diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S index 7a8b2df..c051bd3 100644 --- a/arch/mips/kernel/scall64-o32.S +++ b/arch/mips/kernel/scall64-o32.S @@ -585,4 +585,5 @@ EXPORT(sys32_call_table) PTR sys_bpf /* 4355 */ PTR compat_sys_execveat PTR sys_mlock2 + PTR sys_membarrier .size sys32_call_table,.-sys32_call_table -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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| From | Ralf Baechle <ralf@linux-mips.org> |
|---|---|
| Date | 2015-08-28 09:50 +0200 |
| Message-ID | <q2mAa-5cp-7@gated-at.bofh.it> |
| In reply to | #1214752 |
On Thu, Aug 27, 2015 at 01:56:50PM -0400, Mathieu Desnoyers wrote: > [ Untested on this architecture. To try it out: fetch linux-next/akpm, > apply this patch, build/run a membarrier-enabled kernel, and do make > kselftest. ] > > Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> > CC: Andrew Morton <akpm@linux-foundation.org> > CC: linux-api@vger.kernel.org > CC: Ralf Baechle <ralf@linux-mips.org> > CC: linux-mips@linux-mips.org > --- > arch/mips/include/uapi/asm/unistd.h | 15 +++++++++------ > arch/mips/kernel/scall32-o32.S | 1 + > arch/mips/kernel/scall64-64.S | 1 + > arch/mips/kernel/scall64-n32.S | 1 + > arch/mips/kernel/scall64-o32.S | 1 + > 5 files changed, 13 insertions(+), 6 deletions(-) Looking good assuming there is no compat syscall required. Ralf -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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| From | Mathieu Desnoyers <mathieu.desnoyers@efficios.com> |
|---|---|
| Date | 2015-08-28 16:10 +0200 |
| Subject | Re: [RFC PATCH 4/9] mips: allocate sys_membarrier system call number |
| Message-ID | <q2svU-5uI-17@gated-at.bofh.it> |
| In reply to | #1215204 |
----- On Aug 28, 2015, at 3:40 AM, Ralf Baechle ralf@linux-mips.org wrote: > On Thu, Aug 27, 2015 at 01:56:50PM -0400, Mathieu Desnoyers wrote: > >> [ Untested on this architecture. To try it out: fetch linux-next/akpm, >> apply this patch, build/run a membarrier-enabled kernel, and do make >> kselftest. ] >> >> Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> >> CC: Andrew Morton <akpm@linux-foundation.org> >> CC: linux-api@vger.kernel.org >> CC: Ralf Baechle <ralf@linux-mips.org> >> CC: linux-mips@linux-mips.org >> --- >> arch/mips/include/uapi/asm/unistd.h | 15 +++++++++------ >> arch/mips/kernel/scall32-o32.S | 1 + >> arch/mips/kernel/scall64-64.S | 1 + >> arch/mips/kernel/scall64-n32.S | 1 + >> arch/mips/kernel/scall64-o32.S | 1 + >> 5 files changed, 13 insertions(+), 6 deletions(-) > > Looking good assuming there is no compat syscall required. Indeed, sys_membarrier only takes two integer arguments, so no compat syscall is required. Thanks! Mathieu -- Mathieu Desnoyers EfficiOS Inc. http://www.efficios.com -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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