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bh=7y14opVxFYlYAWiVX/5Sl0k5U4rJuCot7ooRCfUHosM=; b=xSBCKEGpQRWVDFGStCmuLyE+mQlyRwhxJqV9v2T37MKHoMSEykElcc5PSp2bfCc80zh6I3 CJYu86vWVLBtgt0SEg+cXQbxUMf+lAPAOPB8tRL/WxZ/rnKTuOqMSUxoG5T8HiqRUWwUsq XOdQP1IK8qsMmQdDK2sEzQFyNk8Orh3RRFCsLBCzR5LP1Wo2DutikbelmNpJSuMj+FEnzY bVLnlLkUtFsrK2FRar7mUMj8wT1yjmwKa5sC3MI5NY2ksJIgmGRS2OMo5fHzbMbfxxeJD+ acAGZlsc0ZIxwUUamEGP9fpIBddOf0zTm348SFs71JZk5V8e/iQDs/N98s0g1Q== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1690879770; 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=7y14opVxFYlYAWiVX/5Sl0k5U4rJuCot7ooRCfUHosM=; b=4fCPbVP95QTc1VJ4591RDCaOfcGUPX3GsmIqewJDoQZxV4/B+CQJ5uH/TC5jqQA8Upb2az 0q6o3slkGaltNvAg== To: Peter Zijlstra Cc: axboe@kernel.dk, linux-kernel@vger.kernel.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 Subject: Re: [PATCH v1 02/14] futex: Extend the FUTEX2 flags In-Reply-To: <20230731225959.GE51835@hirez.programming.kicks-ass.net> References: <20230721102237.268073801@infradead.org> <20230721105743.819362688@infradead.org> <87edkonjrk.ffs@tglx> <87mszcm0zw.ffs@tglx> <20230731192012.GA11704@hirez.programming.kicks-ass.net> <87a5vbn5r0.ffs@tglx> <20230731213341.GB51835@hirez.programming.kicks-ass.net> <87y1ivln1v.ffs@tglx> <20230731225959.GE51835@hirez.programming.kicks-ass.net> Date: Tue, 01 Aug 2023 10:49:29 +0200 Message-ID: <87edknkuzq.ffs@tglx> MIME-Version: 1.0 Content-Type: text/plain X-Rspamd-Queue-Id: 4E1DCA0005 X-Rspam-User: X-Rspamd-Server: rspam05 X-Stat-Signature: 99idjmqz5h8emzzosfyqzoekkbkoj7h7 X-HE-Tag: 1690879772-373213 X-HE-Meta: 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 16+8YjIb k3bcF7foYCfurzJS8eHJk0xPdeykR/QWfj447wBZaIg398DM= 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 Tue, Aug 01 2023 at 00:59, Peter Zijlstra wrote: > On Tue, Aug 01, 2023 at 12:43:24AM +0200, Thomas Gleixner wrote: > Which then gets people to write garbage like: > > futex_wake(add, 0xFFFF, 1, (union futex_flags){ .flags = FUTEX2_SIZE_U16 | FUTEX2_PRIVATE)); > or > futex_wake(add, 0xFFFF, 1, (union futex_flags){ .size = FUTEX2_SIZE_U16, private = true, )); > > You really want that ? Well, people write garbage no matter what. So just keep the flags and make the names explicit. Note to myself: /me shouldn't look at futex patches when tired