Message ID | 20230605110724.21391-17-andy.chiu@sifive.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
Return-Path: <kvm-owner@vger.kernel.org> 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 05F9CC7EE23 for <kvm@archiver.kernel.org>; Mon, 5 Jun 2023 15:42:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234893AbjFEPmS (ORCPT <rfc822;kvm@archiver.kernel.org>); Mon, 5 Jun 2023 11:42:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43912 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234900AbjFEPmC (ORCPT <rfc822;kvm@vger.kernel.org>); Mon, 5 Jun 2023 11:42:02 -0400 Received: from mail-pl1-x62b.google.com (mail-pl1-x62b.google.com [IPv6:2607:f8b0:4864:20::62b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0888610C7 for <kvm@vger.kernel.org>; Mon, 5 Jun 2023 08:41:37 -0700 (PDT) Received: by mail-pl1-x62b.google.com with SMTP id d9443c01a7336-1b024e29657so22410615ad.3 for <kvm@vger.kernel.org>; Mon, 05 Jun 2023 08:41:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sifive.com; s=google; t=1685979683; x=1688571683; h=references:in-reply-to:message-id:date:subject:cc:to:from:from:to :cc:subject:date:message-id:reply-to; bh=le6WsiFFpntTNhwR6ZdThyFuzfVMTXPYkTAyRr8nwRI=; b=d+VxNOOQAYl7No/bE0Eojd1GYi+MRhT2Pby2jWoSFXSqUG8BgURwze0nShY/toqzYx C/WtCyxZA8GCoZnSCw7mO36blaG/NDggsPeg04KH2aJoaDhPkXVbw9Oz8f/H5Qh1x990 taBoEsUSxj94ml9ML0MwfSzKodLhVwBsLOWyslkDYUSh4VosvqwIltYtzDzD0pnFvn/i hGLMy0SKjDc7WllfsI/57BAJwE0zqYQPa+9VLrBSLjj02U1OUHyHUE2xw172H9W49dJj GLB7YZNAaWZ2R/F8NDODJUWaVu8V5dhYQ+LxFxQi512Vtxs/a/R2XiF7GzRrFS2Qng9h N5Vw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1685979683; x=1688571683; h=references:in-reply-to:message-id:date:subject:cc:to:from :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=le6WsiFFpntTNhwR6ZdThyFuzfVMTXPYkTAyRr8nwRI=; b=KbdKpQC6O5DQBIyV3oLMiJFfv73NAIA2HHJ3JHuD4RoNeNChi0xoffxNU8QL3kUTwX crjrXQY9NetZ5mOAqoPc0E1F6TAGsiCkat6/L1gvWYhwJIrs8S6RQ6oyFjCYAcyTKW26 wMHbaHvwV8HpeVtJojhOwl1fIToUGqYw0eqCgNNKzuoMVBf6ermKUtEe/6N5Yr88R8sZ pP330tvT0Dc1vaMiF1zgDWOPCZa4ZSGUG6/7Ls0k93w0KKsXg0lWri3RCukpSGkXT2iY 6ReklvV52mM7cqUCGrKYUNiimWLn11fX51573AvBlIuTTMuYkAjkCBz3O9b2gODuy0rS C4rA== X-Gm-Message-State: AC+VfDz87w8UMHFqWDLoLtceo5Mss79WyepnEmZJl7F+rA8r6nZCLM0Q UwGdCOBSL/U7Sbzb9U+u9xfHOA== X-Google-Smtp-Source: ACHHUZ7q7e7Tg1BdWpbPDPd+Pjd+pgjDAOZ9wkARLO/Bd52hIUUFEEnGT7DcWONAockW3n4coc2/bw== X-Received: by 2002:a17:903:4293:b0:1b0:26f0:4c8e with SMTP id ju19-20020a170903429300b001b026f04c8emr2643302plb.69.1685979683648; Mon, 05 Jun 2023 08:41:23 -0700 (PDT) Received: from hsinchu26.internal.sifive.com (59-124-168-89.hinet-ip.hinet.net. [59.124.168.89]) by smtp.gmail.com with ESMTPSA id jk19-20020a170903331300b001b0aec3ed59sm6725962plb.256.2023.06.05.08.41.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 05 Jun 2023 08:41:23 -0700 (PDT) From: Andy Chiu <andy.chiu@sifive.com> To: linux-riscv@lists.infradead.org, palmer@dabbelt.com, anup@brainfault.org, atishp@atishpatra.org, kvm-riscv@lists.infradead.org, kvm@vger.kernel.org Cc: vineetg@rivosinc.com, greentime.hu@sifive.com, guoren@linux.alibaba.com, Andy Chiu <andy.chiu@sifive.com>, Paul Walmsley <paul.walmsley@sifive.com>, Albert Ou <aou@eecs.berkeley.edu>, Heiko Stuebner <heiko.stuebner@vrull.eu>, Conor Dooley <conor.dooley@microchip.com>, Guo Ren <guoren@kernel.org>, Vincent Chen <vincent.chen@sifive.com>, Mathis Salmen <mathis.salmen@matsal.de>, Andrew Bresticker <abrestic@rivosinc.com> Subject: [PATCH -next v21 16/27] riscv: signal: validate altstack to reflect Vector Date: Mon, 5 Jun 2023 11:07:13 +0000 Message-Id: <20230605110724.21391-17-andy.chiu@sifive.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230605110724.21391-1-andy.chiu@sifive.com> References: <20230605110724.21391-1-andy.chiu@sifive.com> Precedence: bulk List-ID: <kvm.vger.kernel.org> X-Mailing-List: kvm@vger.kernel.org |
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riscv: Add vector ISA support
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diff --git a/arch/riscv/kernel/signal.c b/arch/riscv/kernel/signal.c index f117641c1c49..180d951d3624 100644 --- a/arch/riscv/kernel/signal.c +++ b/arch/riscv/kernel/signal.c @@ -476,3 +476,10 @@ void __init init_rt_signal_env(void) */ signal_minsigstksz = get_rt_frame_size(true); } + +#ifdef CONFIG_DYNAMIC_SIGFRAME +bool sigaltstack_size_valid(size_t ss_size) +{ + return ss_size > get_rt_frame_size(false); +} +#endif /* CONFIG_DYNAMIC_SIGFRAME */