From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0D442C4332F for ; Tue, 7 Nov 2023 09:08:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233855AbjKGJIQ (ORCPT ); Tue, 7 Nov 2023 04:08:16 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45744 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233765AbjKGJIJ (ORCPT ); Tue, 7 Nov 2023 04:08:09 -0500 Received: from mail-lf1-x14a.google.com (mail-lf1-x14a.google.com [IPv6:2a00:1450:4864:20::14a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 93C14125 for ; Tue, 7 Nov 2023 01:08:06 -0800 (PST) Received: by mail-lf1-x14a.google.com with SMTP id 2adb3069b0e04-5079a8c68c6so5403197e87.1 for ; Tue, 07 Nov 2023 01:08:06 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1699348085; x=1699952885; darn=vger.kernel.org; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=n5LRlMrrSSAy+CZC7baLmatbGXyfCrpMFg+wMEcHD2c=; b=3Hf0NFatsOsZzuqTXCkf4NnctQJlMMUiqZqNpma40LNDjl9AAMjD7wo5s49t7O7r5F KGy6ZBCezpnPFqccP2mxKmKjpte58Oo18mHMWrSDKR1DkiGZ6YZ8O2lg4u944X/Fje/R 9Yy3tt4ZlGbeVRenxB3KfLm3BK5Jgo891Y9BIni+dhu5ns5bawVP3fJgi1uGAlTGKS0S qdjaxECXEIZii89E3ukAXoNiYwz8+y+jiKu/LUs5bRT1s8s66BiTnKrWhaGH2Cp0ke3h wFBTRqSkVjAFQQlx62L/zAX6foH/tjPM14Hjfiu9YB7zRJwPHpn/zVD/ZCTvmILmBQB+ sECQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1699348085; x=1699952885; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=n5LRlMrrSSAy+CZC7baLmatbGXyfCrpMFg+wMEcHD2c=; b=xI3tnLXfQRgHze9ndhUEMwnVSDBJxb5IfDw1Sn/hzcQ67QXIErzSs9DMaL8zScKx8n 7fWBgC6rsYW2EOAtkOExovv1R6t/VJaqZiKzEl2tjwypf1Siqq02/dzO8jOVrenz76m+ DCOHdU8osGVFUJpsCYq79Esta+8fspGyAREfANBUD8ap4fRmwlNNyageYs9escI2RKQV T9ptsSZmtZzZP/sffW1CmWYrAh+A7kJxk1g/owBMbeo9T8BhIsQ8+cGyPrvhzj5RO2nH dCdoDaMXHbPYQzpxZ62NQb+xKgWwJgT/GcDABCPmnQO5yZCfMJuM2S33Iy5KkEs5yH2J K41g== X-Gm-Message-State: AOJu0YzGBoQn2W7AvTtB0RAR7LZDWi0KwxIEQ30jpH1Eq5pBns+VOxPk o7zw0ppzC8GGtF0XeqDMCmD6emu40FlUPfA= X-Google-Smtp-Source: AGHT+IEet1hoCCDTcDEMok9TewQggl/fATVsnxvPGRc5fuo1E48zRIMQsig8VG7lK+w0nt5HgBFllcTzY4c/+O8= X-Received: from aliceryhl2.c.googlers.com ([fda3:e722:ac3:cc00:68:949d:c0a8:572]) (user=aliceryhl job=sendgmr) by 2002:ac2:58c8:0:b0:507:b8af:c118 with SMTP id u8-20020ac258c8000000b00507b8afc118mr280420lfo.10.1699348084798; Tue, 07 Nov 2023 01:08:04 -0800 (PST) Date: Tue, 7 Nov 2023 09:08:02 +0000 In-Reply-To: <20231102185934.773885-5-cmllamas@google.com> Mime-Version: 1.0 References: <20231102185934.773885-5-cmllamas@google.com> X-Mailer: git-send-email 2.42.0.869.gea05f2083d-goog Message-ID: <20231107090802.256817-1-aliceryhl@google.com> Subject: Re: [PATCH 04/21] binder: fix async space check for 0-sized buffers From: Alice Ryhl To: Carlos Llamas Cc: "=?UTF-8?q?Arve=20Hj=C3=B8nnev=C3=A5g?=" , Christian Brauner , Greg Kroah-Hartman , Joel Fernandes , kernel-team@android.com, linux-kernel@vger.kernel.org, Martijn Coenen , sherryy@android.com, Suren Baghdasaryan , Todd Kjos Content-Type: text/plain; charset="utf-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Carlos Llamas writes: > Move the padding of 0-sized buffers to an earlier stage to account for > this round up during the alloc->free_async_space check. > > Fixes: 74310e06be4d ("android: binder: Move buffer out of area shared with user space") > Signed-off-by: Carlos Llamas Reviewed-by: Alice Ryhl