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From: Michael Ellerman <mpe@ellerman.id.au>
To: Arnd Bergmann <arnd@arndb.de>, Andrew Morton <akpm@linux-foundation.org>
Cc: Rich Felker <dalias@libc.org>,
	linux-ia64@vger.kernel.org, linux-sh@vger.kernel.org,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Heiko Carstens <heiko.carstens@de.ibm.com>,
	linux-mips@vger.kernel.org,
	"James E . J . Bottomley" <James.Bottomley@HansenPartnership.com>,
	Max Filippov <jcmvbkbc@gmail.com>,
	Paul Mackerras <paulus@samba.org>,
	sparclinux@vger.kernel.org, linux-s390@vger.kernel.org,
	Helge Deller <deller@gmx.de>,
	Russell King <linux@armlinux.org.uk>,
	Geert Uytterhoeven <geert@linux-m68k.org>,
	Catalin Marinas <catalin.marinas@arm.com>,
	James Hogan <jhogan@kernel.org>,
	Firoz Khan <firoz.khan@linaro.org>,
	Matt Turner <mattst88@gmail.com>,
	Fenghua Yu <fenghua.yu@intel.com>,
	Will Deacon <will.deacon@arm.com>,
	linux-m68k@lists.linux-m68k.org,
	Ivan Kokshaysky <ink@jurassic.park.msu.ru>,
	linux-arm-kernel@lists.infradead.org,
	Richard Henderson <rth@twiddle.net>, Jens Axboe <axboe@kernel.dk>,
	Michal Simek <monstr@monstr.eu>, Tony Luck <tony.luck@intel.com>,
	linux-parisc@vger.kernel.org, linux-kernel@vger.kernel.org,
	Ralf Baechle <ralf@linux-mips.org>,
	Paul Burton <paul.burton@mips.com>,
	linux-alpha@vger.kernel.org,
	Martin Schwidefsky <schwidefsky@de.ibm.com>,
	linuxppc-dev@lists.ozlabs.org,
	"David S . Miller" <davem@davemloft.net>
Subject: Re: [PATCH 2/2] arch: add pidfd and io_uring syscalls everywhere
Date: Wed, 03 Apr 2019 02:47:50 +0000	[thread overview]
Message-ID: <87tvff24a1.fsf@concordia.ellerman.id.au> (raw)
In-Reply-To: <20190325144737.703921-1-arnd@arndb.de>

Arnd Bergmann <arnd@arndb.de> writes:
> diff --git a/arch/powerpc/kernel/syscalls/syscall.tbl b/arch/powerpc/kernel/syscalls/syscall.tbl
> index b18abb0c3dae..00f5a63c8d9a 100644
> --- a/arch/powerpc/kernel/syscalls/syscall.tbl
> +++ b/arch/powerpc/kernel/syscalls/syscall.tbl
> @@ -505,3 +505,7 @@
>  421	32	rt_sigtimedwait_time64		sys_rt_sigtimedwait		compat_sys_rt_sigtimedwait_time64
>  422	32	futex_time64			sys_futex			sys_futex
>  423	32	sched_rr_get_interval_time64	sys_sched_rr_get_interval	sys_sched_rr_get_interval
> +424	common	pidfd_send_signal		sys_pidfd_send_signal
> +425	common	io_uring_setup			sys_io_uring_setup
> +426	common	io_uring_enter			sys_io_uring_enter
> +427	common	io_uring_register		sys_io_uring_register

Acked-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc)

Lightly tested.

The pidfd_test selftest passes.

Ran the io_uring example from fio, which prints lots of:

IOPS 9952, IOS/call2/32, inflight\x117 (117), Cachehit=0.00%
IOPS 9952, IOS/call2/32, inflight\x116 (116), Cachehit=0.00%
IOPS 9920, IOS/call2/32, inflight\x115 (115), Cachehit=0.00%
IOPS 9952, IOS/call2/32, inflight\x115 (115), Cachehit=0.00%
IOPS 9920, IOS/call2/32, inflight\x115 (115), Cachehit=0.00%
IOPS 9952, IOS/call2/32, inflight\x115 (115), Cachehit=0.00%
IOPS!0016, IOS/call2/32, inflight\x114 (114), Cachehit=0.00%
IOPS!0016, IOS/call2/32, inflight\x113 (113), Cachehit=0.00%
IOPS!0048, IOS/call2/32, inflight\x113 (113), Cachehit=0.00%
IOPS!0016, IOS/call2/32, inflight\x113 (113), Cachehit=0.00%
IOPS!0048, IOS/call2/32, inflight\x112 (112), Cachehit=0.00%
IOPS!0016, IOS/call2/32, inflight\x110 (110), Cachehit=0.00%
IOPS!0048, IOS/call2/32, inflight\x105 (105), Cachehit=0.00%
IOPS!0048, IOS/call2/32, inflight\x104 (104), Cachehit=0.00%
IOPS!0080, IOS/call2/32, inflight\x102 (102), Cachehit=0.00%
IOPS!0112, IOS/call2/32, inflight\x100 (100), Cachehit=0.00%
IOPS!0080, IOS/call2/32, inflight— (97), Cachehit=0.00%
IOPS!0112, IOS/call2/32, inflight— (97), Cachehit=0.00%
IOPS!0112, IOS/call2/31, inflight\x126 (126), Cachehit=0.00%
IOPS!0048, IOS/call2/32, inflight\x126 (126), Cachehit=0.00%
IOPS!0048, IOS/call2/32, inflight\x125 (125), Cachehit=0.00%
IOPS!0016, IOS/call2/32, inflight\x119 (119), Cachehit=0.00%
IOPS!0048, IOS/call2/32, inflight\x117 (117), Cachehit=0.00%
IOPS!0016, IOS/call2/32, inflight\x114 (114), Cachehit=0.00%
IOPS!0048, IOS/call2/32, inflight\x111 (111), Cachehit=0.00%
IOPS!0048, IOS/call2/32, inflight\x108 (108), Cachehit=0.00%
IOPS!0048, IOS/call2/32, inflight\x107 (107), Cachehit=0.00%
IOPS!0048, IOS/call2/32, inflight\x105 (105), Cachehit=0.00%

Which is good I think?


cheers

WARNING: multiple messages have this Message-ID (diff)
From: Michael Ellerman <mpe@ellerman.id.au>
To: Arnd Bergmann <arnd@arndb.de>, Andrew Morton <akpm@linux-foundation.org>
Cc: Richard Henderson <rth@twiddle.net>,
	Ivan Kokshaysky <ink@jurassic.park.msu.ru>,
	Matt Turner <mattst88@gmail.com>,
	Russell King <linux@armlinux.org.uk>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will.deacon@arm.com>,
	Tony Luck <tony.luck@intel.com>,
	Fenghua Yu <fenghua.yu@intel.com>,
	Geert Uytterhoeven <geert@linux-m68k.org>,
	Michal Simek <monstr@monstr.eu>,
	Ralf Baechle <ralf@linux-mips.org>,
	Paul Burton <paul.burton@mips.com>,
	James Hogan <jhogan@kernel.org>,
	"James E . J . Bottomley" <James.Bottomley@HansenPartnership.com>,
	Helge Deller <deller@gmx.de>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Paul Mackerras <paulus@samba.org>,
	Martin Schwidefsky <schwidefsky@de.ibm.com>,
	Heiko Carstens <heiko.carstens@de.ibm.com>,
	Rich Felker <dalias@libc.org>,
	"David S . Miller" <davem@davemloft.net>,
	Max Filippov <jcmvbkbc@gmail.com>,
	Firoz Khan <firoz.khan@linaro.org>,
	linux-alpha@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org, linux-ia64@vger.kernel.org,
	linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org,
	linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
	linux-s390@vger.kernel.org, linux-sh@vger.kernel.org,
	sparclinux@vger.kernel.org, Arnd Bergmann <arnd@arndb.de>,
	Jens Axboe <axboe@kernel.dk>
Subject: Re: [PATCH 2/2] arch: add pidfd and io_uring syscalls everywhere
Date: Wed, 03 Apr 2019 13:47:50 +1100	[thread overview]
Message-ID: <87tvff24a1.fsf@concordia.ellerman.id.au> (raw)
In-Reply-To: <20190325144737.703921-1-arnd@arndb.de>

Arnd Bergmann <arnd@arndb.de> writes:
> diff --git a/arch/powerpc/kernel/syscalls/syscall.tbl b/arch/powerpc/kernel/syscalls/syscall.tbl
> index b18abb0c3dae..00f5a63c8d9a 100644
> --- a/arch/powerpc/kernel/syscalls/syscall.tbl
> +++ b/arch/powerpc/kernel/syscalls/syscall.tbl
> @@ -505,3 +505,7 @@
>  421	32	rt_sigtimedwait_time64		sys_rt_sigtimedwait		compat_sys_rt_sigtimedwait_time64
>  422	32	futex_time64			sys_futex			sys_futex
>  423	32	sched_rr_get_interval_time64	sys_sched_rr_get_interval	sys_sched_rr_get_interval
> +424	common	pidfd_send_signal		sys_pidfd_send_signal
> +425	common	io_uring_setup			sys_io_uring_setup
> +426	common	io_uring_enter			sys_io_uring_enter
> +427	common	io_uring_register		sys_io_uring_register

Acked-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc)

Lightly tested.

The pidfd_test selftest passes.

Ran the io_uring example from fio, which prints lots of:

IOPS=209952, IOS/call=32/32, inflight=117 (117), Cachehit=0.00%
IOPS=209952, IOS/call=32/32, inflight=116 (116), Cachehit=0.00%
IOPS=209920, IOS/call=32/32, inflight=115 (115), Cachehit=0.00%
IOPS=209952, IOS/call=32/32, inflight=115 (115), Cachehit=0.00%
IOPS=209920, IOS/call=32/32, inflight=115 (115), Cachehit=0.00%
IOPS=209952, IOS/call=32/32, inflight=115 (115), Cachehit=0.00%
IOPS=210016, IOS/call=32/32, inflight=114 (114), Cachehit=0.00%
IOPS=210016, IOS/call=32/32, inflight=113 (113), Cachehit=0.00%
IOPS=210048, IOS/call=32/32, inflight=113 (113), Cachehit=0.00%
IOPS=210016, IOS/call=32/32, inflight=113 (113), Cachehit=0.00%
IOPS=210048, IOS/call=32/32, inflight=112 (112), Cachehit=0.00%
IOPS=210016, IOS/call=32/32, inflight=110 (110), Cachehit=0.00%
IOPS=210048, IOS/call=32/32, inflight=105 (105), Cachehit=0.00%
IOPS=210048, IOS/call=32/32, inflight=104 (104), Cachehit=0.00%
IOPS=210080, IOS/call=32/32, inflight=102 (102), Cachehit=0.00%
IOPS=210112, IOS/call=32/32, inflight=100 (100), Cachehit=0.00%
IOPS=210080, IOS/call=32/32, inflight=97 (97), Cachehit=0.00%
IOPS=210112, IOS/call=32/32, inflight=97 (97), Cachehit=0.00%
IOPS=210112, IOS/call=32/31, inflight=126 (126), Cachehit=0.00%
IOPS=210048, IOS/call=32/32, inflight=126 (126), Cachehit=0.00%
IOPS=210048, IOS/call=32/32, inflight=125 (125), Cachehit=0.00%
IOPS=210016, IOS/call=32/32, inflight=119 (119), Cachehit=0.00%
IOPS=210048, IOS/call=32/32, inflight=117 (117), Cachehit=0.00%
IOPS=210016, IOS/call=32/32, inflight=114 (114), Cachehit=0.00%
IOPS=210048, IOS/call=32/32, inflight=111 (111), Cachehit=0.00%
IOPS=210048, IOS/call=32/32, inflight=108 (108), Cachehit=0.00%
IOPS=210048, IOS/call=32/32, inflight=107 (107), Cachehit=0.00%
IOPS=210048, IOS/call=32/32, inflight=105 (105), Cachehit=0.00%

Which is good I think?


cheers

WARNING: multiple messages have this Message-ID (diff)
From: Michael Ellerman <mpe@ellerman.id.au>
To: Arnd Bergmann <arnd@arndb.de>, Andrew Morton <akpm@linux-foundation.org>
Cc: Rich Felker <dalias@libc.org>,
	linux-ia64@vger.kernel.org, linux-sh@vger.kernel.org,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Heiko Carstens <heiko.carstens@de.ibm.com>,
	linux-mips@vger.kernel.org,
	"James E . J . Bottomley" <James.Bottomley@HansenPartnership.com>,
	Max Filippov <jcmvbkbc@gmail.com>,
	Paul Mackerras <paulus@samba.org>,
	sparclinux@vger.kernel.org, linux-s390@vger.kernel.org,
	Helge Deller <deller@gmx.de>,
	Russell King <linux@armlinux.org.uk>,
	Geert Uytterhoeven <geert@linux-m68k.org>,
	Catalin Marinas <catalin.marinas@arm.com>,
	James Hogan <jhogan@kernel.org>,
	Firoz Khan <firoz.khan@linaro.org>,
	Matt Turner <mattst88@gmail.com>,
	Fenghua Yu <fenghua.yu@intel.com>,
	Will Deacon <will.deacon@arm.com>,
	linux-m68k@lists.linux-m68k.org,
	Ivan Kokshaysky <ink@jurassic.park.msu.ru>,
	linux-arm-kernel@lists.infradead.org,
	Richard Henderson <rth@twiddle.net>, Jens Axboe <axboe@kernel.dk>,
	Michal Simek <monstr@monstr.eu>, Tony Luck <tony.luck@intel.com>,
	linux-parisc@vger.kernel.org, linux-kernel@vger.kernel.org,
	Ralf Baechle <ralf@linux-mips.org>,
	Paul Burton <paul.burton@mips.com>,
	linux-alpha@vger.kernel.org,
	Martin Schwidefsky <schwidefsky@de.ibm.com>,
	linuxppc-dev@lists.ozlabs.org,
	"David S . Miller" <davem@davemloft.net>
Subject: Re: [PATCH 2/2] arch: add pidfd and io_uring syscalls everywhere
Date: Wed, 03 Apr 2019 13:47:50 +1100	[thread overview]
Message-ID: <87tvff24a1.fsf@concordia.ellerman.id.au> (raw)
In-Reply-To: <20190325144737.703921-1-arnd@arndb.de>

Arnd Bergmann <arnd@arndb.de> writes:
> diff --git a/arch/powerpc/kernel/syscalls/syscall.tbl b/arch/powerpc/kernel/syscalls/syscall.tbl
> index b18abb0c3dae..00f5a63c8d9a 100644
> --- a/arch/powerpc/kernel/syscalls/syscall.tbl
> +++ b/arch/powerpc/kernel/syscalls/syscall.tbl
> @@ -505,3 +505,7 @@
>  421	32	rt_sigtimedwait_time64		sys_rt_sigtimedwait		compat_sys_rt_sigtimedwait_time64
>  422	32	futex_time64			sys_futex			sys_futex
>  423	32	sched_rr_get_interval_time64	sys_sched_rr_get_interval	sys_sched_rr_get_interval
> +424	common	pidfd_send_signal		sys_pidfd_send_signal
> +425	common	io_uring_setup			sys_io_uring_setup
> +426	common	io_uring_enter			sys_io_uring_enter
> +427	common	io_uring_register		sys_io_uring_register

Acked-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc)

Lightly tested.

The pidfd_test selftest passes.

Ran the io_uring example from fio, which prints lots of:

IOPS=209952, IOS/call=32/32, inflight=117 (117), Cachehit=0.00%
IOPS=209952, IOS/call=32/32, inflight=116 (116), Cachehit=0.00%
IOPS=209920, IOS/call=32/32, inflight=115 (115), Cachehit=0.00%
IOPS=209952, IOS/call=32/32, inflight=115 (115), Cachehit=0.00%
IOPS=209920, IOS/call=32/32, inflight=115 (115), Cachehit=0.00%
IOPS=209952, IOS/call=32/32, inflight=115 (115), Cachehit=0.00%
IOPS=210016, IOS/call=32/32, inflight=114 (114), Cachehit=0.00%
IOPS=210016, IOS/call=32/32, inflight=113 (113), Cachehit=0.00%
IOPS=210048, IOS/call=32/32, inflight=113 (113), Cachehit=0.00%
IOPS=210016, IOS/call=32/32, inflight=113 (113), Cachehit=0.00%
IOPS=210048, IOS/call=32/32, inflight=112 (112), Cachehit=0.00%
IOPS=210016, IOS/call=32/32, inflight=110 (110), Cachehit=0.00%
IOPS=210048, IOS/call=32/32, inflight=105 (105), Cachehit=0.00%
IOPS=210048, IOS/call=32/32, inflight=104 (104), Cachehit=0.00%
IOPS=210080, IOS/call=32/32, inflight=102 (102), Cachehit=0.00%
IOPS=210112, IOS/call=32/32, inflight=100 (100), Cachehit=0.00%
IOPS=210080, IOS/call=32/32, inflight=97 (97), Cachehit=0.00%
IOPS=210112, IOS/call=32/32, inflight=97 (97), Cachehit=0.00%
IOPS=210112, IOS/call=32/31, inflight=126 (126), Cachehit=0.00%
IOPS=210048, IOS/call=32/32, inflight=126 (126), Cachehit=0.00%
IOPS=210048, IOS/call=32/32, inflight=125 (125), Cachehit=0.00%
IOPS=210016, IOS/call=32/32, inflight=119 (119), Cachehit=0.00%
IOPS=210048, IOS/call=32/32, inflight=117 (117), Cachehit=0.00%
IOPS=210016, IOS/call=32/32, inflight=114 (114), Cachehit=0.00%
IOPS=210048, IOS/call=32/32, inflight=111 (111), Cachehit=0.00%
IOPS=210048, IOS/call=32/32, inflight=108 (108), Cachehit=0.00%
IOPS=210048, IOS/call=32/32, inflight=107 (107), Cachehit=0.00%
IOPS=210048, IOS/call=32/32, inflight=105 (105), Cachehit=0.00%

Which is good I think?


cheers

_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

WARNING: multiple messages have this Message-ID (diff)
From: Michael Ellerman <mpe@ellerman.id.au>
To: Arnd Bergmann <arnd@arndb.de>, Andrew Morton <akpm@linux-foundation.org>
Cc: Rich Felker <dalias@libc.org>,
	linux-ia64@vger.kernel.org, linux-sh@vger.kernel.org,
	Heiko Carstens <heiko.carstens@de.ibm.com>,
	linux-mips@vger.kernel.org,
	"James E . J . Bottomley" <James.Bottomley@HansenPartnership.com>,
	Max Filippov <jcmvbkbc@gmail.com>,
	Paul Mackerras <paulus@samba.org>,
	sparclinux@vger.kernel.org, linux-s390@vger.kernel.org,
	Helge Deller <deller@gmx.de>,
	Russell King <linux@armlinux.org.uk>,
	Geert Uytterhoeven <geert@linux-m68k.org>,
	Catalin Marinas <catalin.marinas@arm.com>,
	James Hogan <jhogan@kernel.org>,
	Firoz Khan <firoz.khan@linaro.org>,
	Matt Turner <mattst88@gmail.com>,
	Fenghua Yu <fenghua.yu@intel.com>, Arnd Bergmann <arnd@arndb.de>,
	Will Deacon <will.deacon@arm.com>,
	linux-m68k@lists.linux-m68k.org,
	Ivan Kokshaysky <ink@jurassic.park.msu.ru>,
	linux-arm-kernel@lists.infradead.org,
	Richard Henderson <rth@twiddle.net>, Jens Axboe <axboe@kernel.dk>,
	Michal Simek <monstr@monstr.eu>, Tony Luck <tony.luck@intel.com>,
	linux-parisc@vger.kernel.org, linux-kernel@vger.kernel.org,
	Ralf Baechle <ralf@linux-mips.org>,
	Paul Burton <paul.burton@mips.com>,
	linux-alpha@vger.kernel.org,
	Martin Schwidefsky <schwidefsky@de.ibm.com>,
	linuxppc-dev@lists.ozlabs.org,
	"David S . Miller" <davem@davemloft.net>
Subject: Re: [PATCH 2/2] arch: add pidfd and io_uring syscalls everywhere
Date: Wed, 03 Apr 2019 13:47:50 +1100	[thread overview]
Message-ID: <87tvff24a1.fsf@concordia.ellerman.id.au> (raw)
In-Reply-To: <20190325144737.703921-1-arnd@arndb.de>

Arnd Bergmann <arnd@arndb.de> writes:
> diff --git a/arch/powerpc/kernel/syscalls/syscall.tbl b/arch/powerpc/kernel/syscalls/syscall.tbl
> index b18abb0c3dae..00f5a63c8d9a 100644
> --- a/arch/powerpc/kernel/syscalls/syscall.tbl
> +++ b/arch/powerpc/kernel/syscalls/syscall.tbl
> @@ -505,3 +505,7 @@
>  421	32	rt_sigtimedwait_time64		sys_rt_sigtimedwait		compat_sys_rt_sigtimedwait_time64
>  422	32	futex_time64			sys_futex			sys_futex
>  423	32	sched_rr_get_interval_time64	sys_sched_rr_get_interval	sys_sched_rr_get_interval
> +424	common	pidfd_send_signal		sys_pidfd_send_signal
> +425	common	io_uring_setup			sys_io_uring_setup
> +426	common	io_uring_enter			sys_io_uring_enter
> +427	common	io_uring_register		sys_io_uring_register

Acked-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc)

Lightly tested.

The pidfd_test selftest passes.

Ran the io_uring example from fio, which prints lots of:

IOPS=209952, IOS/call=32/32, inflight=117 (117), Cachehit=0.00%
IOPS=209952, IOS/call=32/32, inflight=116 (116), Cachehit=0.00%
IOPS=209920, IOS/call=32/32, inflight=115 (115), Cachehit=0.00%
IOPS=209952, IOS/call=32/32, inflight=115 (115), Cachehit=0.00%
IOPS=209920, IOS/call=32/32, inflight=115 (115), Cachehit=0.00%
IOPS=209952, IOS/call=32/32, inflight=115 (115), Cachehit=0.00%
IOPS=210016, IOS/call=32/32, inflight=114 (114), Cachehit=0.00%
IOPS=210016, IOS/call=32/32, inflight=113 (113), Cachehit=0.00%
IOPS=210048, IOS/call=32/32, inflight=113 (113), Cachehit=0.00%
IOPS=210016, IOS/call=32/32, inflight=113 (113), Cachehit=0.00%
IOPS=210048, IOS/call=32/32, inflight=112 (112), Cachehit=0.00%
IOPS=210016, IOS/call=32/32, inflight=110 (110), Cachehit=0.00%
IOPS=210048, IOS/call=32/32, inflight=105 (105), Cachehit=0.00%
IOPS=210048, IOS/call=32/32, inflight=104 (104), Cachehit=0.00%
IOPS=210080, IOS/call=32/32, inflight=102 (102), Cachehit=0.00%
IOPS=210112, IOS/call=32/32, inflight=100 (100), Cachehit=0.00%
IOPS=210080, IOS/call=32/32, inflight=97 (97), Cachehit=0.00%
IOPS=210112, IOS/call=32/32, inflight=97 (97), Cachehit=0.00%
IOPS=210112, IOS/call=32/31, inflight=126 (126), Cachehit=0.00%
IOPS=210048, IOS/call=32/32, inflight=126 (126), Cachehit=0.00%
IOPS=210048, IOS/call=32/32, inflight=125 (125), Cachehit=0.00%
IOPS=210016, IOS/call=32/32, inflight=119 (119), Cachehit=0.00%
IOPS=210048, IOS/call=32/32, inflight=117 (117), Cachehit=0.00%
IOPS=210016, IOS/call=32/32, inflight=114 (114), Cachehit=0.00%
IOPS=210048, IOS/call=32/32, inflight=111 (111), Cachehit=0.00%
IOPS=210048, IOS/call=32/32, inflight=108 (108), Cachehit=0.00%
IOPS=210048, IOS/call=32/32, inflight=107 (107), Cachehit=0.00%
IOPS=210048, IOS/call=32/32, inflight=105 (105), Cachehit=0.00%

Which is good I think?


cheers

WARNING: multiple messages have this Message-ID (diff)
From: Michael Ellerman <mpe@ellerman.id.au>
To: Arnd Bergmann <arnd@arndb.de>, Andrew Morton <akpm@linux-foundation.org>
Cc: Rich Felker <dalias@libc.org>,
	linux-ia64@vger.kernel.org, linux-sh@vger.kernel.org,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Heiko Carstens <heiko.carstens@de.ibm.com>,
	linux-mips@vger.kernel.org,
	"James E . J . Bottomley" <James.Bottomley@HansenPartnership.com>,
	Max Filippov <jcmvbkbc@gmail.com>,
	Paul Mackerras <paulus@samba.org>,
	sparclinux@vger.kernel.org, linux-s390@vger.kernel.org,
	Helge Deller <deller@gmx.de>,
	Russell King <linux@armlinux.org.uk>,
	Geert Uytterhoeven <geert@linux-m68k.org>,
	Catalin Marinas <catalin.marinas@arm.com>,
	James Hogan <jhogan@kernel.org>,
	Firoz Khan <firoz.khan@linaro.org>,
	Matt Turner <mattst88@gmail.com>,
	Fenghua Yu <fenghua.yu@intel.com>, Arnd Bergmann <arnd@arndb.de>,
	Will Deacon <will.deacon@arm.com>,
	linux-m68k@lists.linux-m68k.org,
	Ivan Kokshaysky <ink@jurassic.park.msu.ru>,
	linux-arm-kernel@lists.infradead.org,
	Richard Henderson <rth@twiddle.net>, Jens Axboe <axboe@kernel.dk>,
	Michal Simek <monstr@monstr.eu>, Tony Luck <tony.luck@intel.com>,
	linux-parisc@vger.kernel.org, linux-kernel@vger.kernel.org,
	Ralf Baechle <ralf@linux-mips.org>,
	Paul Burton <paul.burton@mips.com>,
	linux-alpha@vger.kernel.org,
	Martin Schwidefsky <schwidefsky@de.ibm.com>,
	linuxppc-dev@lists.ozlabs.org,
	"David S . Miller" <davem@davemloft.net>
Subject: Re: [PATCH 2/2] arch: add pidfd and io_uring syscalls everywhere
Date: Wed, 03 Apr 2019 13:47:50 +1100	[thread overview]
Message-ID: <87tvff24a1.fsf@concordia.ellerman.id.au> (raw)
In-Reply-To: <20190325144737.703921-1-arnd@arndb.de>

Arnd Bergmann <arnd@arndb.de> writes:
> diff --git a/arch/powerpc/kernel/syscalls/syscall.tbl b/arch/powerpc/kernel/syscalls/syscall.tbl
> index b18abb0c3dae..00f5a63c8d9a 100644
> --- a/arch/powerpc/kernel/syscalls/syscall.tbl
> +++ b/arch/powerpc/kernel/syscalls/syscall.tbl
> @@ -505,3 +505,7 @@
>  421	32	rt_sigtimedwait_time64		sys_rt_sigtimedwait		compat_sys_rt_sigtimedwait_time64
>  422	32	futex_time64			sys_futex			sys_futex
>  423	32	sched_rr_get_interval_time64	sys_sched_rr_get_interval	sys_sched_rr_get_interval
> +424	common	pidfd_send_signal		sys_pidfd_send_signal
> +425	common	io_uring_setup			sys_io_uring_setup
> +426	common	io_uring_enter			sys_io_uring_enter
> +427	common	io_uring_register		sys_io_uring_register

Acked-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc)

Lightly tested.

The pidfd_test selftest passes.

Ran the io_uring example from fio, which prints lots of:

IOPS=209952, IOS/call=32/32, inflight=117 (117), Cachehit=0.00%
IOPS=209952, IOS/call=32/32, inflight=116 (116), Cachehit=0.00%
IOPS=209920, IOS/call=32/32, inflight=115 (115), Cachehit=0.00%
IOPS=209952, IOS/call=32/32, inflight=115 (115), Cachehit=0.00%
IOPS=209920, IOS/call=32/32, inflight=115 (115), Cachehit=0.00%
IOPS=209952, IOS/call=32/32, inflight=115 (115), Cachehit=0.00%
IOPS=210016, IOS/call=32/32, inflight=114 (114), Cachehit=0.00%
IOPS=210016, IOS/call=32/32, inflight=113 (113), Cachehit=0.00%
IOPS=210048, IOS/call=32/32, inflight=113 (113), Cachehit=0.00%
IOPS=210016, IOS/call=32/32, inflight=113 (113), Cachehit=0.00%
IOPS=210048, IOS/call=32/32, inflight=112 (112), Cachehit=0.00%
IOPS=210016, IOS/call=32/32, inflight=110 (110), Cachehit=0.00%
IOPS=210048, IOS/call=32/32, inflight=105 (105), Cachehit=0.00%
IOPS=210048, IOS/call=32/32, inflight=104 (104), Cachehit=0.00%
IOPS=210080, IOS/call=32/32, inflight=102 (102), Cachehit=0.00%
IOPS=210112, IOS/call=32/32, inflight=100 (100), Cachehit=0.00%
IOPS=210080, IOS/call=32/32, inflight=97 (97), Cachehit=0.00%
IOPS=210112, IOS/call=32/32, inflight=97 (97), Cachehit=0.00%
IOPS=210112, IOS/call=32/31, inflight=126 (126), Cachehit=0.00%
IOPS=210048, IOS/call=32/32, inflight=126 (126), Cachehit=0.00%
IOPS=210048, IOS/call=32/32, inflight=125 (125), Cachehit=0.00%
IOPS=210016, IOS/call=32/32, inflight=119 (119), Cachehit=0.00%
IOPS=210048, IOS/call=32/32, inflight=117 (117), Cachehit=0.00%
IOPS=210016, IOS/call=32/32, inflight=114 (114), Cachehit=0.00%
IOPS=210048, IOS/call=32/32, inflight=111 (111), Cachehit=0.00%
IOPS=210048, IOS/call=32/32, inflight=108 (108), Cachehit=0.00%
IOPS=210048, IOS/call=32/32, inflight=107 (107), Cachehit=0.00%
IOPS=210048, IOS/call=32/32, inflight=105 (105), Cachehit=0.00%

Which is good I think?


cheers

_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

WARNING: multiple messages have this Message-ID (diff)
From: Michael Ellerman <mpe@ellerman.id.au>
To: Arnd Bergmann <arnd@arndb.de>, Andrew Morton <akpm@linux-foundation.org>
Cc: Rich Felker <dalias@libc.org>,
	linux-ia64@vger.kernel.org, linux-sh@vger.kernel.org,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Heiko Carstens <heiko.carstens@de.ibm.com>,
	linux-mips@vger.kernel.org,
	"James E . J . Bottomley" <James.Bottomley@HansenPartnership.com>,
	Max Filippov <jcmvbkbc@gmail.com>,
	Paul Mackerras <paulus@samba.org>,
	sparclinux@vger.kernel.org, linux-s390@vger.kernel.org,
	Helge Deller <deller@gmx.de>,
	Russell King <linux@armlinux.org.uk>,
	Geert Uytterhoeven <geert@linux-m68k.org>,
	Catalin Marinas <catalin.marinas@arm.com>,
	James Hogan <jhogan@kernel.org>,
	Firoz Khan <firoz.khan@linaro.org>,
	Matt Turner <mattst88@gmail.com>,
	Fenghua Yu <fenghua.yu@intel.com>, Arnd Bergmann <arnd@arndb.de>,
	Will Deacon <will.deacon@arm.com>,
	linux-m68k@lists.linux-m68k.org,
	Ivan Kokshaysky <ink@jurassic.park.msu.ru>,
	linux-arm-kernel@lists.infradead.org, Richard
Subject: Re: [PATCH 2/2] arch: add pidfd and io_uring syscalls everywhere
Date: Wed, 03 Apr 2019 13:47:50 +1100	[thread overview]
Message-ID: <87tvff24a1.fsf@concordia.ellerman.id.au> (raw)
In-Reply-To: <20190325144737.703921-1-arnd@arndb.de>

Arnd Bergmann <arnd@arndb.de> writes:
> diff --git a/arch/powerpc/kernel/syscalls/syscall.tbl b/arch/powerpc/kernel/syscalls/syscall.tbl
> index b18abb0c3dae..00f5a63c8d9a 100644
> --- a/arch/powerpc/kernel/syscalls/syscall.tbl
> +++ b/arch/powerpc/kernel/syscalls/syscall.tbl
> @@ -505,3 +505,7 @@
>  421	32	rt_sigtimedwait_time64		sys_rt_sigtimedwait		compat_sys_rt_sigtimedwait_time64
>  422	32	futex_time64			sys_futex			sys_futex
>  423	32	sched_rr_get_interval_time64	sys_sched_rr_get_interval	sys_sched_rr_get_interval
> +424	common	pidfd_send_signal		sys_pidfd_send_signal
> +425	common	io_uring_setup			sys_io_uring_setup
> +426	common	io_uring_enter			sys_io_uring_enter
> +427	common	io_uring_register		sys_io_uring_register

Acked-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc)

Lightly tested.

The pidfd_test selftest passes.

Ran the io_uring example from fio, which prints lots of:

IOPS=209952, IOS/call=32/32, inflight=117 (117), Cachehit=0.00%
IOPS=209952, IOS/call=32/32, inflight=116 (116), Cachehit=0.00%
IOPS=209920, IOS/call=32/32, inflight=115 (115), Cachehit=0.00%
IOPS=209952, IOS/call=32/32, inflight=115 (115), Cachehit=0.00%
IOPS=209920, IOS/call=32/32, inflight=115 (115), Cachehit=0.00%
IOPS=209952, IOS/call=32/32, inflight=115 (115), Cachehit=0.00%
IOPS=210016, IOS/call=32/32, inflight=114 (114), Cachehit=0.00%
IOPS=210016, IOS/call=32/32, inflight=113 (113), Cachehit=0.00%
IOPS=210048, IOS/call=32/32, inflight=113 (113), Cachehit=0.00%
IOPS=210016, IOS/call=32/32, inflight=113 (113), Cachehit=0.00%
IOPS=210048, IOS/call=32/32, inflight=112 (112), Cachehit=0.00%
IOPS=210016, IOS/call=32/32, inflight=110 (110), Cachehit=0.00%
IOPS=210048, IOS/call=32/32, inflight=105 (105), Cachehit=0.00%
IOPS=210048, IOS/call=32/32, inflight=104 (104), Cachehit=0.00%
IOPS=210080, IOS/call=32/32, inflight=102 (102), Cachehit=0.00%
IOPS=210112, IOS/call=32/32, inflight=100 (100), Cachehit=0.00%
IOPS=210080, IOS/call=32/32, inflight=97 (97), Cachehit=0.00%
IOPS=210112, IOS/call=32/32, inflight=97 (97), Cachehit=0.00%
IOPS=210112, IOS/call=32/31, inflight=126 (126), Cachehit=0.00%
IOPS=210048, IOS/call=32/32, inflight=126 (126), Cachehit=0.00%
IOPS=210048, IOS/call=32/32, inflight=125 (125), Cachehit=0.00%
IOPS=210016, IOS/call=32/32, inflight=119 (119), Cachehit=0.00%
IOPS=210048, IOS/call=32/32, inflight=117 (117), Cachehit=0.00%
IOPS=210016, IOS/call=32/32, inflight=114 (114), Cachehit=0.00%
IOPS=210048, IOS/call=32/32, inflight=111 (111), Cachehit=0.00%
IOPS=210048, IOS/call=32/32, inflight=108 (108), Cachehit=0.00%
IOPS=210048, IOS/call=32/32, inflight=107 (107), Cachehit=0.00%
IOPS=210048, IOS/call=32/32, inflight=105 (105), Cachehit=0.00%

Which is good I think?


cheers

  parent reply	other threads:[~2019-04-03  2:47 UTC|newest]

Thread overview: 91+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-03-25 14:34 [PATCH 1/2] io_uring: fix big-endian compat signal mask handling Arnd Bergmann
2019-03-25 14:47 ` [PATCH 2/2] arch: add pidfd and io_uring syscalls everywhere Arnd Bergmann
2019-03-25 14:47   ` Arnd Bergmann
2019-03-25 14:47   ` Arnd Bergmann
2019-03-25 14:47   ` Arnd Bergmann
2019-03-25 14:47   ` Arnd Bergmann
2019-03-25 17:37   ` Paul Burton
2019-03-25 17:37     ` Paul Burton
2019-03-25 17:37     ` Paul Burton
2019-03-25 17:37     ` Paul Burton
2019-03-25 17:37     ` Paul Burton
2019-03-26  8:40     ` Arnd Bergmann
2019-03-26  8:40       ` Arnd Bergmann
2019-03-26  8:40       ` Arnd Bergmann
2019-03-26  8:40       ` Arnd Bergmann
2019-03-26  8:40       ` Arnd Bergmann
2019-03-30  9:42   ` Heiko Carstens
2019-03-30  9:42     ` Heiko Carstens
2019-03-30  9:42     ` Heiko Carstens
2019-03-30  9:42     ` Heiko Carstens
2019-03-30  9:42     ` Heiko Carstens
2019-03-31  9:47   ` Michael Ellerman
2019-03-31  9:47     ` Michael Ellerman
2019-03-31  9:47     ` Michael Ellerman
2019-03-31  9:47     ` Michael Ellerman
2019-03-31  9:47     ` Michael Ellerman
2019-03-31  9:47     ` Michael Ellerman
2019-03-31 16:28     ` Arnd Bergmann
2019-03-31 16:28       ` Arnd Bergmann
2019-03-31 16:28       ` Arnd Bergmann
2019-03-31 16:28       ` Arnd Bergmann
2019-03-31 16:28       ` Arnd Bergmann
2019-04-03  1:19       ` Michael Ellerman
2019-04-03  1:19         ` Michael Ellerman
2019-04-03  1:19         ` Michael Ellerman
2019-04-03  1:19         ` Michael Ellerman
2019-04-03  1:19         ` Michael Ellerman
2019-04-01  8:19   ` Geert Uytterhoeven
2019-04-01  8:19     ` Geert Uytterhoeven
2019-04-01  8:19     ` Geert Uytterhoeven
2019-04-01  8:19     ` Geert Uytterhoeven
2019-04-01  8:19     ` Geert Uytterhoeven
2019-04-03  2:47   ` Michael Ellerman [this message]
2019-04-03  2:47     ` Michael Ellerman
2019-04-03  2:47     ` Michael Ellerman
2019-04-03  2:47     ` Michael Ellerman
2019-04-03  2:47     ` Michael Ellerman
2019-04-03  2:47     ` Michael Ellerman
2019-04-03 11:11     ` Will Deacon
2019-04-03 11:11       ` Will Deacon
2019-04-03 11:11       ` Will Deacon
2019-04-03 11:11       ` Will Deacon
2019-04-03 11:11       ` Will Deacon
2019-04-03 13:49       ` Jens Axboe
2019-04-03 13:49         ` Jens Axboe
2019-04-03 13:49         ` Jens Axboe
2019-04-03 13:49         ` Jens Axboe
2019-04-03 13:49         ` Jens Axboe
2019-04-03 15:19         ` Will Deacon
2019-04-03 15:19           ` Will Deacon
2019-04-03 15:19           ` Will Deacon
2019-04-03 15:19           ` Will Deacon
2019-04-03 15:19           ` Will Deacon
2019-04-03 15:39           ` Jens Axboe
2019-04-03 15:39             ` Jens Axboe
2019-04-03 15:39             ` Jens Axboe
2019-04-03 15:39             ` Jens Axboe
2019-04-03 15:39             ` Jens Axboe
2019-04-03 15:49             ` Will Deacon
2019-04-03 15:49               ` Will Deacon
2019-04-03 15:49               ` Will Deacon
2019-04-03 15:49               ` Will Deacon
2019-04-03 15:49               ` Will Deacon
2019-04-03 15:51               ` Jens Axboe
2019-04-03 15:51                 ` Jens Axboe
2019-04-03 15:51                 ` Jens Axboe
2019-04-03 15:51                 ` Jens Axboe
2019-04-03 15:51                 ` Jens Axboe
2019-04-04  6:08         ` Michael Ellerman
2019-04-04  6:08           ` Michael Ellerman
2019-04-04  6:08           ` Michael Ellerman
2019-04-04  6:08           ` Michael Ellerman
2019-04-04  6:08           ` Michael Ellerman
2019-03-25 16:05 ` [PATCH 1/2] io_uring: fix big-endian compat signal mask handling Jens Axboe
2019-03-25 16:11   ` Arnd Bergmann
2019-03-25 16:15     ` Jens Axboe
2019-03-25 16:19 ` James Bottomley
2019-03-25 16:23   ` Jens Axboe
2019-03-25 16:24   ` Arnd Bergmann
2019-03-26  0:13     ` James Bottomley
2019-03-26  8:35       ` Arnd Bergmann

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