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From: Michael Ellerman <mpe@ellerman.id.au>
To: linux-kernel@vger.kernel.org, arnd@arndb.de,
	geert@linux-m68k.org, monstr@monstr.eu,
	ysato@users.sourceforge.jp, dalias@libc.org, davem@davemloft.net,
	chris@zankel.net, jcmvbkbc@gmail.com,
	linux-alpha@vger.kernel.org, linux-ia64@vger.kernel.org,
	linux-m68k@lists.linux-m68k.org, linuxppc-dev@lists.ozlabs.org,
	linux-sh@vger.kernel.org, sparclinux@vger.kernel.org,
	linux-xtensa@linux-xtensa.org
Cc: akpm@linux-foundation.org, andrealmeid@collabora.com,
	bigeasy@linutronix.de, boqun.feng@gmail.com,
	linux-next@vger.kernel.org, lkft-triage@lists.linaro.org,
	longman@redhat.com, minchan@kernel.org, mingo@redhat.com,
	naresh.kamboju@linaro.org, peterz@infradead.org, rob@landley.net,
	senozhatsky@chromium.org, sfr@canb.auug.org.au,
	umgwanakikbuti@gmail.com, will@kernel.org
Subject: Re: [PATCH 1/1] futex: Wireup futex_waitv syscall
Date: Thu, 25 Nov 2021 10:07:23 +1100	[thread overview]
Message-ID: <87lf1dp2z8.fsf@mpe.ellerman.id.au> (raw)
In-Reply-To: <20211124132112.11641-1-andrealmeid@collabora.com>

André Almeida <andrealmeid@collabora.com> writes:
> diff --git a/arch/powerpc/kernel/syscalls/syscall.tbl b/arch/powerpc/kernel/syscalls/syscall.tbl
> index 7bef917cc84e..15109af9d075 100644
> --- a/arch/powerpc/kernel/syscalls/syscall.tbl
> +++ b/arch/powerpc/kernel/syscalls/syscall.tbl
> @@ -528,3 +528,4 @@
>  446	common	landlock_restrict_self		sys_landlock_restrict_self
>  # 447 reserved for memfd_secret
>  448	common	process_mrelease		sys_process_mrelease
> +449	common  futex_waitv                     sys_futex_waitv

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

The selftest doesn't build with old headers, I needed this:

diff --git a/tools/testing/selftests/futex/include/futex2test.h b/tools/testing/selftests/futex/include/futex2test.h
index 9d305520e849..e6422321e9d0 100644
--- a/tools/testing/selftests/futex/include/futex2test.h
+++ b/tools/testing/selftests/futex/include/futex2test.h
@@ -8,6 +8,10 @@

 #define u64_to_ptr(x) ((void *)(uintptr_t)(x))

+#ifndef __NR_futex_waitv
+#define __NR_futex_waitv 449
+#endif
+
 /**
  * futex_waitv - Wait at multiple futexes, wake on any
  * @waiters:    Array of waiters


cheers

WARNING: multiple messages have this Message-ID (diff)
From: Michael Ellerman <mpe@ellerman.id.au>
To: "André Almeida" <andrealmeid@collabora.com>,
	linux-kernel@vger.kernel.org, arnd@arndb.de,
	geert@linux-m68k.org, monstr@monstr.eu,
	ysato@users.sourceforge.jp, dalias@libc.org, davem@davemloft.net,
	chris@zankel.net, jcmvbkbc@gmail.com,
	linux-alpha@vger.kernel.org, linux-ia64@vger.kernel.org,
	linux-m68k@lists.linux-m68k.org, linuxppc-dev@lists.ozlabs.org,
	linux-sh@vger.kernel.org, sparclinux@vger.kernel.org,
	linux-xtensa@linux-xtensa.org
Cc: akpm@linux-foundation.org, andrealmeid@collabora.com,
	bigeasy@linutronix.de, boqun.feng@gmail.com,
	linux-next@vger.kernel.org, lkft-triage@lists.linaro.org,
	longman@redhat.com, minchan@kernel.org, mingo@redhat.com,
	naresh.kamboju@linaro.org, peterz@infradead.org, rob@landley.net,
	senozhatsky@chromium.org, sfr@canb.auug.org.au,
	umgwanakikbuti@gmail.com, will@kernel.org
Subject: Re: [PATCH 1/1] futex: Wireup futex_waitv syscall
Date: Wed, 24 Nov 2021 23:07:23 +0000	[thread overview]
Message-ID: <87lf1dp2z8.fsf@mpe.ellerman.id.au> (raw)
In-Reply-To: <20211124132112.11641-1-andrealmeid@collabora.com>

André Almeida <andrealmeid@collabora.com> writes:
> diff --git a/arch/powerpc/kernel/syscalls/syscall.tbl b/arch/powerpc/kernel/syscalls/syscall.tbl
> index 7bef917cc84e..15109af9d075 100644
> --- a/arch/powerpc/kernel/syscalls/syscall.tbl
> +++ b/arch/powerpc/kernel/syscalls/syscall.tbl
> @@ -528,3 +528,4 @@
>  446	common	landlock_restrict_self		sys_landlock_restrict_self
>  # 447 reserved for memfd_secret
>  448	common	process_mrelease		sys_process_mrelease
> +449	common  futex_waitv                     sys_futex_waitv

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

The selftest doesn't build with old headers, I needed this:

diff --git a/tools/testing/selftests/futex/include/futex2test.h b/tools/testing/selftests/futex/include/futex2test.h
index 9d305520e849..e6422321e9d0 100644
--- a/tools/testing/selftests/futex/include/futex2test.h
+++ b/tools/testing/selftests/futex/include/futex2test.h
@@ -8,6 +8,10 @@

 #define u64_to_ptr(x) ((void *)(uintptr_t)(x))

+#ifndef __NR_futex_waitv
+#define __NR_futex_waitv 449
+#endif
+
 /**
  * futex_waitv - Wait at multiple futexes, wake on any
  * @waiters:    Array of waiters


cheers

WARNING: multiple messages have this Message-ID (diff)
From: Michael Ellerman <mpe@ellerman.id.au>
To: "André Almeida" <andrealmeid@collabora.com>,
	linux-kernel@vger.kernel.org, arnd@arndb.de,
	geert@linux-m68k.org, monstr@monstr.eu,
	ysato@users.sourceforge.jp, dalias@libc.org, davem@davemloft.net,
	chris@zankel.net, jcmvbkbc@gmail.com,
	linux-alpha@vger.kernel.org, linux-ia64@vger.kernel.org,
	linux-m68k@lists.linux-m68k.org, linuxppc-dev@lists.ozlabs.org,
	linux-sh@vger.kernel.org, sparclinux@vger.kernel.org,
	linux-xtensa@linux-xtensa.org
Cc: akpm@linux-foundation.org, andrealmeid@collabora.com,
	bigeasy@linutronix.de, boqun.feng@gmail.com,
	linux-next@vger.kernel.org, lkft-triage@lists.linaro.org,
	longman@redhat.com, minchan@kernel.org, mingo@redhat.com,
	naresh.kamboju@linaro.org, peterz@infradead.org, rob@landley.net,
	senozhatsky@chromium.org, sfr@canb.auug.org.au,
	umgwanakikbuti@gmail.com, will@kernel.org
Subject: Re: [PATCH 1/1] futex: Wireup futex_waitv syscall
Date: Thu, 25 Nov 2021 10:07:23 +1100	[thread overview]
Message-ID: <87lf1dp2z8.fsf@mpe.ellerman.id.au> (raw)
In-Reply-To: <20211124132112.11641-1-andrealmeid@collabora.com>

André Almeida <andrealmeid@collabora.com> writes:
> diff --git a/arch/powerpc/kernel/syscalls/syscall.tbl b/arch/powerpc/kernel/syscalls/syscall.tbl
> index 7bef917cc84e..15109af9d075 100644
> --- a/arch/powerpc/kernel/syscalls/syscall.tbl
> +++ b/arch/powerpc/kernel/syscalls/syscall.tbl
> @@ -528,3 +528,4 @@
>  446	common	landlock_restrict_self		sys_landlock_restrict_self
>  # 447 reserved for memfd_secret
>  448	common	process_mrelease		sys_process_mrelease
> +449	common  futex_waitv                     sys_futex_waitv

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

The selftest doesn't build with old headers, I needed this:

diff --git a/tools/testing/selftests/futex/include/futex2test.h b/tools/testing/selftests/futex/include/futex2test.h
index 9d305520e849..e6422321e9d0 100644
--- a/tools/testing/selftests/futex/include/futex2test.h
+++ b/tools/testing/selftests/futex/include/futex2test.h
@@ -8,6 +8,10 @@

 #define u64_to_ptr(x) ((void *)(uintptr_t)(x))

+#ifndef __NR_futex_waitv
+#define __NR_futex_waitv 449
+#endif
+
 /**
  * futex_waitv - Wait at multiple futexes, wake on any
  * @waiters:    Array of waiters


cheers

WARNING: multiple messages have this Message-ID (diff)
From: Michael Ellerman <mpe@ellerman.id.au>
To: "André Almeida" <andrealmeid@collabora.com>,
	linux-kernel@vger.kernel.org, arnd@arndb.de,
	geert@linux-m68k.org, monstr@monstr.eu,
	ysato@users.sourceforge.jp, dalias@libc.org, davem@davemloft.net,
	chris@zankel.net, jcmvbkbc@gmail.com,
	linux-alpha@vger.kernel.org, linux-ia64@vger.kernel.org,
	linux-m68k@lists.linux-m68k.org, linuxppc-dev@lists.ozlabs.org,
	linux-sh@vger.kernel.org, sparclinux@vger.kernel.org,
	linux-xtensa@linux-xtensa.org
Cc: sfr@canb.auug.org.au, senozhatsky@chromium.org,
	peterz@infradead.org, will@kernel.org, boqun.feng@gmail.com,
	lkft-triage@lists.linaro.org, minchan@kernel.org,
	naresh.kamboju@linaro.org, linux-next@vger.kernel.org,
	umgwanakikbuti@gmail.com, rob@landley.net,
	andrealmeid@collabora.com, longman@redhat.com,
	akpm@linux-foundation.org, mingo@redhat.com,
	bigeasy@linutronix.de
Subject: Re: [PATCH 1/1] futex: Wireup futex_waitv syscall
Date: Thu, 25 Nov 2021 10:07:23 +1100	[thread overview]
Message-ID: <87lf1dp2z8.fsf@mpe.ellerman.id.au> (raw)
In-Reply-To: <20211124132112.11641-1-andrealmeid@collabora.com>

André Almeida <andrealmeid@collabora.com> writes:
> diff --git a/arch/powerpc/kernel/syscalls/syscall.tbl b/arch/powerpc/kernel/syscalls/syscall.tbl
> index 7bef917cc84e..15109af9d075 100644
> --- a/arch/powerpc/kernel/syscalls/syscall.tbl
> +++ b/arch/powerpc/kernel/syscalls/syscall.tbl
> @@ -528,3 +528,4 @@
>  446	common	landlock_restrict_self		sys_landlock_restrict_self
>  # 447 reserved for memfd_secret
>  448	common	process_mrelease		sys_process_mrelease
> +449	common  futex_waitv                     sys_futex_waitv

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

The selftest doesn't build with old headers, I needed this:

diff --git a/tools/testing/selftests/futex/include/futex2test.h b/tools/testing/selftests/futex/include/futex2test.h
index 9d305520e849..e6422321e9d0 100644
--- a/tools/testing/selftests/futex/include/futex2test.h
+++ b/tools/testing/selftests/futex/include/futex2test.h
@@ -8,6 +8,10 @@

 #define u64_to_ptr(x) ((void *)(uintptr_t)(x))

+#ifndef __NR_futex_waitv
+#define __NR_futex_waitv 449
+#endif
+
 /**
  * futex_waitv - Wait at multiple futexes, wake on any
  * @waiters:    Array of waiters


cheers

  parent reply	other threads:[~2021-11-24 23:07 UTC|newest]

Thread overview: 45+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-11-23 11:38 spinlock.c:306:9: error: implicit declaration of function '__raw_write_lock_nested' Naresh Kamboju
2021-11-23 13:19 ` Arnd Bergmann
2021-11-23 14:48   ` Geert Uytterhoeven
2021-11-23 14:50     ` Sebastian Andrzej Siewior
2021-11-23 16:07       ` [PATCH] locking: Fixup write_lock_nested() implementation Sebastian Andrzej Siewior
2021-11-23 17:01         ` [PATCH v2] " Sebastian Andrzej Siewior
2021-11-23 22:52           ` Stephen Rothwell
2021-11-24 10:01   ` spinlock.c:306:9: error: implicit declaration of function '__raw_write_lock_nested' Rob Landley
2021-11-24 10:43     ` Arnd Bergmann
2021-11-24  7:31 ` Rob Landley
2021-11-24  7:49   ` Arnd Bergmann
2021-11-24 13:15     ` André Almeida
2021-11-24 14:21       ` Arnd Bergmann
2021-11-24 13:21     ` [PATCH 1/1] futex: Wireup futex_waitv syscall André Almeida
2021-11-24 13:21       ` André Almeida
2021-11-24 13:21       ` André Almeida
2021-11-24 13:21       ` André Almeida
2021-11-24 13:49       ` Geert Uytterhoeven
2021-11-24 13:49         ` Geert Uytterhoeven
2021-11-24 13:49         ` Geert Uytterhoeven
2021-11-24 13:49         ` Geert Uytterhoeven
2021-11-24 14:29       ` Arnd Bergmann
2021-11-24 14:29         ` Arnd Bergmann
2021-11-24 14:29         ` Arnd Bergmann
2021-11-24 14:29         ` Arnd Bergmann
2021-11-24 15:56         ` André Almeida
2021-11-24 15:56           ` André Almeida
2021-11-24 15:56           ` André Almeida
2021-11-24 15:56           ` André Almeida
2021-11-24 23:18         ` Thomas Gleixner
2021-11-24 23:18           ` Thomas Gleixner
2021-11-24 23:18           ` Thomas Gleixner
2021-11-24 23:18           ` Thomas Gleixner
2021-11-24 17:23       ` Max Filippov
2021-11-24 17:23         ` Max Filippov
2021-11-24 17:23         ` Max Filippov
2021-11-24 17:23         ` Max Filippov
2021-11-24 23:07       ` Michael Ellerman [this message]
2021-11-24 23:07         ` Michael Ellerman
2021-11-24 23:07         ` Michael Ellerman
2021-11-24 23:07         ` Michael Ellerman
2021-11-24 23:38     ` spinlock.c:306:9: error: implicit declaration of function '__raw_write_lock_nested' Rob Landley
2021-11-25  7:25       ` Arnd Bergmann
2021-11-25 12:10         ` Rob Landley
2021-11-26 23:51           ` Stafford Horne

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