* [PATCH] generic syscalls: wire up userfaultfd syscall
@ 2015-09-22 10:52 Andre Przywara
2015-09-22 15:52 ` Will Deacon
0 siblings, 1 reply; 3+ messages in thread
From: Andre Przywara @ 2015-09-22 10:52 UTC (permalink / raw)
To: Arnd Bergmann
Cc: linux-arch-u79uwXL29TY76Z2rM5mHXA,
linux-api-u79uwXL29TY76Z2rM5mHXA,
linux-kernel-u79uwXL29TY76Z2rM5mHXA,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r,
catalin.marinas-5wv7dgnIgG8, will.deacon-5wv7dgnIgG8
Enable the new userfaultfd syscall in the generic syscall table.
Briefly tested on arm64 with the selftest from the tools directory.
Signed-off-by: Andre Przywara <andre.przywara-5wv7dgnIgG8@public.gmane.org>
---
include/uapi/asm-generic/unistd.h | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/include/uapi/asm-generic/unistd.h b/include/uapi/asm-generic/unistd.h
index 8da542a..82c91bc 100644
--- a/include/uapi/asm-generic/unistd.h
+++ b/include/uapi/asm-generic/unistd.h
@@ -711,9 +711,11 @@ __SYSCALL(__NR_bpf, sys_bpf)
__SC_COMP(__NR_execveat, sys_execveat, compat_sys_execveat)
#define __NR_membarrier 282
__SYSCALL(__NR_membarrier, sys_membarrier)
+#define __NR_userfaultfd 283
+__SYSCALL(__NR_userfaultfd, sys_userfaultfd)
#undef __NR_syscalls
-#define __NR_syscalls 283
+#define __NR_syscalls 284
/*
* All syscalls below here should go away really,
--
2.5.1
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH] generic syscalls: wire up userfaultfd syscall
2015-09-22 10:52 [PATCH] generic syscalls: wire up userfaultfd syscall Andre Przywara
@ 2015-09-22 15:52 ` Will Deacon
2015-09-22 16:51 ` Andre Przywara
0 siblings, 1 reply; 3+ messages in thread
From: Will Deacon @ 2015-09-22 15:52 UTC (permalink / raw)
To: Andre Przywara
Cc: Arnd Bergmann, linux-arch@vger.kernel.org,
linux-api@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, Catalin Marinas
On Tue, Sep 22, 2015 at 11:52:19AM +0100, Andre Przywara wrote:
> Enable the new userfaultfd syscall in the generic syscall table.
> Briefly tested on arm64 with the selftest from the tools directory.
Can you update the selftest too, please? Last time I looked at that it had
typo for the powerpc check and looked pretty unloved...
Will
> Signed-off-by: Andre Przywara <andre.przywara@arm.com>
> ---
> include/uapi/asm-generic/unistd.h | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/include/uapi/asm-generic/unistd.h b/include/uapi/asm-generic/unistd.h
> index 8da542a..82c91bc 100644
> --- a/include/uapi/asm-generic/unistd.h
> +++ b/include/uapi/asm-generic/unistd.h
> @@ -711,9 +711,11 @@ __SYSCALL(__NR_bpf, sys_bpf)
> __SC_COMP(__NR_execveat, sys_execveat, compat_sys_execveat)
> #define __NR_membarrier 282
> __SYSCALL(__NR_membarrier, sys_membarrier)
> +#define __NR_userfaultfd 283
> +__SYSCALL(__NR_userfaultfd, sys_userfaultfd)
>
> #undef __NR_syscalls
> -#define __NR_syscalls 283
> +#define __NR_syscalls 284
>
> /*
> * All syscalls below here should go away really,
> --
> 2.5.1
>
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] generic syscalls: wire up userfaultfd syscall
2015-09-22 15:52 ` Will Deacon
@ 2015-09-22 16:51 ` Andre Przywara
0 siblings, 0 replies; 3+ messages in thread
From: Andre Przywara @ 2015-09-22 16:51 UTC (permalink / raw)
To: Will Deacon
Cc: Arnd Bergmann, linux-arch@vger.kernel.org,
linux-api@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, Catalin Marinas
On 22/09/15 16:52, Will Deacon wrote:
> On Tue, Sep 22, 2015 at 11:52:19AM +0100, Andre Przywara wrote:
>> Enable the new userfaultfd syscall in the generic syscall table.
>> Briefly tested on arm64 with the selftest from the tools directory.
>
> Can you update the selftest too, please? Last time I looked at that it had
> typo for the powerpc check and looked pretty unloved...
I actually sent two patches doing that 10 minutes before that one, but I
forgot to CC: you on this:
https://lkml.org/lkml/2015/9/22/176
Feel free to chime into the discussion ;-)
Cheers,
Andre.
> Will
>
>> Signed-off-by: Andre Przywara <andre.przywara@arm.com>
>> ---
>> include/uapi/asm-generic/unistd.h | 4 +++-
>> 1 file changed, 3 insertions(+), 1 deletion(-)
>>
>> diff --git a/include/uapi/asm-generic/unistd.h b/include/uapi/asm-generic/unistd.h
>> index 8da542a..82c91bc 100644
>> --- a/include/uapi/asm-generic/unistd.h
>> +++ b/include/uapi/asm-generic/unistd.h
>> @@ -711,9 +711,11 @@ __SYSCALL(__NR_bpf, sys_bpf)
>> __SC_COMP(__NR_execveat, sys_execveat, compat_sys_execveat)
>> #define __NR_membarrier 282
>> __SYSCALL(__NR_membarrier, sys_membarrier)
>> +#define __NR_userfaultfd 283
>> +__SYSCALL(__NR_userfaultfd, sys_userfaultfd)
>>
>> #undef __NR_syscalls
>> -#define __NR_syscalls 283
>> +#define __NR_syscalls 284
>>
>> /*
>> * All syscalls below here should go away really,
>> --
>> 2.5.1
>>
>
^ permalink raw reply [flat|nested] 3+ messages in thread
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2015-09-22 15:52 ` Will Deacon
2015-09-22 16:51 ` Andre Przywara
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