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bh=Sjw4cSUjNL/q8ajSLPjc5AEn3VQI4EuB25tHGD5K1UQ=; b=B8oIAA9wCOVrL3GA6hvcsjMrElEl6hLOHrz0Pe+VB0+wKr86a95yQKpfysM2jfrQAStpYU j5xIRnaOcBvyuIYhEYz4Yi0k+zLYwq9Ss3Bzbe6ivmt288iVn5H/74uFuOVcl0p9TKMSwx gC9mJuJ4JepS4CiBXCsUXq12r4mZgmVlxNr6K6vqCpjOx69qf7X+w5C5I08noMLR+HU82a S+Obrbr0g8VQDdyaTaC0Rdli1u6HtYtIxinOqVP2JrbHo+zFY1+dItNU8L4E3/+MDmyIL1 mLT9bcbilTk/YoJNlelQPczE1Sldzidy0ZCDqluEjmSRgGlCrm+xRIS1Tvl1dA== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1691434823; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=Sjw4cSUjNL/q8ajSLPjc5AEn3VQI4EuB25tHGD5K1UQ=; b=o78RTxUAakCGYH/QRc/fD8D0FCuhykp7DaxVY8AQvyd3X5uWqr6sN0Ooy1XtP5gEEpxMma 1L6qS7Lp1fDEEuBw== To: Peter Zijlstra , axboe@kernel.dk Cc: linux-kernel@vger.kernel.org, peterz@infradead.org, mingo@redhat.com, dvhart@infradead.org, dave@stgolabs.net, andrealmeid@igalia.com, Andrew Morton , urezki@gmail.com, hch@infradead.org, lstoakes@gmail.com, Arnd Bergmann , linux-api@vger.kernel.org, linux-mm@kvack.org, linux-arch@vger.kernel.org, malteskarupke@web.de, Geert Uytterhoeven Subject: Re: [PATCH v2 05/14] futex: Add sys_futex_wake() In-Reply-To: <20230807123323.090897260@infradead.org> References: <20230807121843.710612856@infradead.org> <20230807123323.090897260@infradead.org> Date: Mon, 07 Aug 2023 21:00:22 +0200 Message-ID: <87o7jiu189.ffs@tglx> MIME-Version: 1.0 Content-Type: text/plain X-Rspamd-Queue-Id: EA1391C001A X-Rspam-User: X-Rspamd-Server: rspam05 X-Stat-Signature: dd6jgb6jui7rzc9pcqowxn7ec4b79mhk X-HE-Tag: 1691434824-602112 X-HE-Meta: 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 QeXc5mF9 2H4yCFB2AXv6luPzruaaJOX2yZtTx9PRrwPR8gx4rHvsZUnh66v/CRDiZUcos/up0jIVgptxc1o7dSUd/WFJ/pdlIsOqZC8OjOjCPJm1JIkenxD0RyB3V9cFV0y20U5pKZa1y/xOWsQPZ/hGRCJkBuCIRMdFuU9+K44z/jU1aNlLlPJ0QXW+CPPnaNBX5I5njIIUMhIMH+X9+809ThFnYjqT9RQ== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Mon, Aug 07 2023 at 14:18, Peter Zijlstra wrote: > To complement sys_futex_waitv() add sys_futex_wake(). This syscall > implements what was previously known as FUTEX_WAKE_BITSET except it > uses 'unsigned long' for the bitmask and takes FUTEX2 flags. > > The 'unsigned long' allows FUTEX2_SIZE_U64 on 64bit platforms. > > Signed-off-by: Peter Zijlstra (Intel) > Acked-by: Geert Uytterhoeven Reviewed-by: Thomas Gleixner