Message ID | 20230518161949.11203-17-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 0F908C7EE23 for <kvm@archiver.kernel.org>; Thu, 18 May 2023 16:22:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229788AbjERQWQ (ORCPT <rfc822;kvm@archiver.kernel.org>); Thu, 18 May 2023 12:22:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53484 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229785AbjERQWL (ORCPT <rfc822;kvm@vger.kernel.org>); Thu, 18 May 2023 12:22:11 -0400 Received: from mail-pf1-x42f.google.com (mail-pf1-x42f.google.com [IPv6:2607:f8b0:4864:20::42f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A5DBBE69 for <kvm@vger.kernel.org>; Thu, 18 May 2023 09:21:54 -0700 (PDT) Received: by mail-pf1-x42f.google.com with SMTP id d2e1a72fcca58-64d2467d63fso469783b3a.0 for <kvm@vger.kernel.org>; Thu, 18 May 2023 09:21:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sifive.com; s=google; t=1684426913; x=1687018913; h=references:in-reply-to:message-id:date:subject:cc:to:from:from:to :cc:subject:date:message-id:reply-to; bh=le6WsiFFpntTNhwR6ZdThyFuzfVMTXPYkTAyRr8nwRI=; b=fXXOF4/Pv9vy548q3wB5i638VAiAI5RYEsTrUBc+Lb3gM4Hwm4KD7C22YFD2UYd0ML EIj0bIxGhmH+aHUWUB9gwOOaPmFfXe5AqyUqObzTgtiqqDzj5Q4VW4HNpdCjTrhZLV9j 9oqEDZAwj/wvOqjtp1dRpunkjC/CHuxw0voOQEY7kBVb2SRDde19L3W5bAC8TptVZFqK 6LZe3vGGTBKDzTJrE62LgcbN2Ok7fJT2iGeFx69qUBMnA8AkjWLkOU4j/UqY74sTYCP0 OiVpmvYhYne29PDTYzXxEAv6pis1jBjDNnuC79vttpOziIMEnRmCcYdyb61Vi7lRumPc kgnA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1684426913; x=1687018913; 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=i7Mq92xm05oQtYFMNfIdBFdbYojQqzkZ0LwWWucDWqtOp1rQo/V0q27VAiHMknji0I Tt00Q1BL1zL+mwjxVya+s6fc7RoHfVybeShRInEmHBR+fc5sodfAmq3XU2fJTnkFu9Aa OrCkJubGC1xP+SnDXdtuifj63/ZCRktC63YursrQDug3OD2PuWUYooNADSQfWCpaR3Gk S902SsWGmtLW72tMu6rlUo2c86d8bQ/1jcoiTEO7d1C0EjfvAAnV1dqPKVGwvJmBKDHM o5kqFsFxlX418LajZ+m64wnfNA3JBcXK4/K9OKU4naogCapsrAwHbFBC026Xz++9STXf F95Q== X-Gm-Message-State: AC+VfDyvH+QLs0IOruiFsPHNcDJJqRi+tKVDCN+j06XZuHqjcIXl4Y2+ TLncsw7NWZJDY43AqHlXWzQyEg== X-Google-Smtp-Source: ACHHUZ5zF66YmJviWU3jMsRmaNPWP5h2OCQhUdkxpbsBNEDtT+ng2Q1VyqjENFKM+MPelZ+ItaoLOA== X-Received: by 2002:a05:6a00:17a0:b0:643:ba77:f265 with SMTP id s32-20020a056a0017a000b00643ba77f265mr6240882pfg.25.1684426913165; Thu, 18 May 2023 09:21:53 -0700 (PDT) Received: from hsinchu25.internal.sifive.com (59-124-168-89.hinet-ip.hinet.net. [59.124.168.89]) by smtp.gmail.com with ESMTPSA id x23-20020a62fb17000000b006414b2c9efasm1515862pfm.123.2023.05.18.09.21.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 18 May 2023 09:21:52 -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>, Vincent Chen <vincent.chen@sifive.com>, Al Viro <viro@zeniv.linux.org.uk>, Andrew Bresticker <abrestic@rivosinc.com>, Guo Ren <guoren@kernel.org> Subject: [PATCH -next v20 16/26] riscv: signal: validate altstack to reflect Vector Date: Thu, 18 May 2023 16:19:39 +0000 Message-Id: <20230518161949.11203-17-andy.chiu@sifive.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230518161949.11203-1-andy.chiu@sifive.com> References: <20230518161949.11203-1-andy.chiu@sifive.com> Precedence: bulk List-ID: <kvm.vger.kernel.org> X-Mailing-List: kvm@vger.kernel.org |
Series |
riscv: Add vector ISA support
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expand
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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 */