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From: "André Almeida" <andrealmeid@collabora.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: linux-kernel@vger.kernel.org, bigeasy@linutronix.de,
	mingo@redhat.com, tglx@linutronix.de, kernel@collabora.com,
	krisman@collabora.com, rostedt@goodmis.org,
	linux-api@vger.kernel.org, dvhart@infradead.org,
	libc-alpha@sourceware.org, mtk.manpages@gmail.com,
	dave@stgolabs.net, arnd@arndb.de
Subject: Re: [PATCH 16/20] futex: Implement sys_futex_waitv()
Date: Wed, 15 Sep 2021 12:20:58 -0300	[thread overview]
Message-ID: <2f2cf258-24f4-8bbb-a33e-c92aafa22a9f@collabora.com> (raw)
In-Reply-To: <20210915141525.621568509@infradead.org>

Às 11:07 de 15/09/21, Peter Zijlstra escreveu:
> From: André Almeida <andrealmeid@collabora.com>
> 
> Add support to wait on multiple futexes. This is the interface
> implemented by this syscall:
> 
> futex_waitv(struct futex_waitv *waiters, unsigned int nr_futexes,
> 	    unsigned int flags, struct timespec *timo)
> 
> --- a/include/uapi/asm-generic/unistd.h
> +++ b/include/uapi/asm-generic/unistd.h
> @@ -880,8 +880,11 @@ __SYSCALL(__NR_memfd_secret, sys_memfd_s
>  #define __NR_process_mrelease 448
>  __SYSCALL(__NR_process_mrelease, sys_process_mrelease)
>  
> +#define __NR_futex_waitv 449
> +__SC_COMP(__NR_futex_waitv, sys_futex_waitv)
> +

Oops, this should be __SYSCALL(), and not __SC_COMP(), my bad.

  parent reply	other threads:[~2021-09-15 15:21 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-15 14:07 [PATCH 00/20] futex: splitup and waitv syscall Peter Zijlstra
2021-09-15 14:07 ` [PATCH 01/20] futex: Move to kernel/futex/ Peter Zijlstra
2021-09-15 14:07 ` [PATCH 02/20] futex: Split out syscalls Peter Zijlstra
2021-09-15 14:07 ` [PATCH 03/20] futex: Rename {,__}{,un}queue_me() Peter Zijlstra
2021-09-15 14:07 ` [PATCH 04/20] futex: Rename futex_wait_queue_me() Peter Zijlstra
2021-09-15 14:07 ` [PATCH 05/20] futex: Rename: queue_{,un}lock() Peter Zijlstra
2021-09-15 14:07 ` [PATCH 06/20] futex: Rename __unqueue_futex() Peter Zijlstra
2021-09-15 14:07 ` [PATCH 07/20] futex: Rename hash_futex() Peter Zijlstra
2021-09-15 15:17   ` André Almeida
2021-09-15 15:22     ` Peter Zijlstra
2021-09-15 14:07 ` [PATCH 08/20] futex: Rename: {get,cmpxchg}_futex_value_locked() Peter Zijlstra
2021-09-15 14:07 ` [PATCH 09/20] futex: Split out PI futex Peter Zijlstra
2021-09-15 14:07 ` [PATCH 10/20] futex: Rename: hb_waiter_{inc,dec,pending}() Peter Zijlstra
2021-09-15 14:07 ` [PATCH 11/20] futex: Rename: match_futex() Peter Zijlstra
2021-09-15 14:07 ` [PATCH 12/20] futex: Rename mark_wake_futex() Peter Zijlstra
2021-09-15 14:07 ` [PATCH 13/20] futex: Split out requeue Peter Zijlstra
2021-09-15 14:07 ` [PATCH 14/20] futex: Split out wait/wake Peter Zijlstra
2021-09-15 14:07 ` [PATCH 15/20] futex: Simplify double_lock_hb() Peter Zijlstra
2021-09-15 15:13 ` [PATCH 00/20] futex: splitup and waitv syscall André Almeida
     [not found] ` <20210915141525.621568509@infradead.org>
2021-09-15 15:20   ` André Almeida [this message]
2021-09-15 15:37   ` [PATCH 16/20] futex: Implement sys_futex_waitv() Peter Zijlstra
2021-09-15 17:34     ` Paul Eggert
2021-09-16 14:49       ` Thomas Gleixner
2021-09-16 18:54         ` André Almeida
2021-09-15 18:47     ` Arnd Bergmann
2021-09-15 16:29   ` André Almeida
2021-09-15 18:24 ` [PATCH 00/20] futex: splitup and waitv syscall André Almeida

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