Message ID | 20230509103033.11285-18-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 62C05C7EE22 for <kvm@archiver.kernel.org>; Tue, 9 May 2023 10:33:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235325AbjEIKd1 (ORCPT <rfc822;kvm@archiver.kernel.org>); Tue, 9 May 2023 06:33:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34714 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235331AbjEIKdQ (ORCPT <rfc822;kvm@vger.kernel.org>); Tue, 9 May 2023 06:33:16 -0400 Received: from mail-pg1-x534.google.com (mail-pg1-x534.google.com [IPv6:2607:f8b0:4864:20::534]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 690C4E77 for <kvm@vger.kernel.org>; Tue, 9 May 2023 03:32:59 -0700 (PDT) Received: by mail-pg1-x534.google.com with SMTP id 41be03b00d2f7-5144a9c11c7so5344566a12.2 for <kvm@vger.kernel.org>; Tue, 09 May 2023 03:32:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sifive.com; s=google; t=1683628379; x=1686220379; h=references:in-reply-to:message-id:date:subject:cc:to:from:from:to :cc:subject:date:message-id:reply-to; bh=hWB54ZotS7Y2ZgKJV1SIpYTu+cs8XvC1qHz0MxJpXfU=; b=QkSGQgEeLO0u2CM+0ENpyxSPJrVs5RDZxlAodKF2CMos24WptSccSet4gExIwDxgKY J53EVXnz92lB7aO2d6gQHFtDbzXVUCM5MbFmhVWexLhy5xFqQhTKL1HCd6G6OrA62ayQ XSxva6pG1WoKVxi15tFy8H4EAjDnV+L4mxEjpCx43pdqaxP+/JYCPRb2nJmIzOHPJgf8 vdo1u82T8B/b1ar1wFoUR43j0kvuKZHIslOperfivstB7OWv7yhuVMYdfXB/yHRo+GuN YBOa11pFpVlI7ZgSjhHcjzFku4nq6xcooejKrOPSRTmQgYpXps+BjhUzW5FOoCmDRwiV uTjg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1683628379; x=1686220379; 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=hWB54ZotS7Y2ZgKJV1SIpYTu+cs8XvC1qHz0MxJpXfU=; b=DrQjVtkC+LnfIRUAxqlg25EZn0pijwbAutKTLbuWqofEu7pvBKpzK2IzyIIbzyouVM Lo8G9T0b5hKYt30bBZj+CUYBd8x1IY+0cGWlr4Q3PXpdDcPzBTXaY3PXIifM8aIuh+IO 3bX35YDW+TRWCcMjZanMo2Y78QBcp/nDo2q/VfDxwhfCtk8fdpBnpqpO9jRtkNnAs0EH SxTGdPcMeRU4GpkM/OVwGXopGDX5GJ8Vizf64BbV93AWoO7p0ykzg6DTW3W5jjoCEkt0 SwEm5klvdLkvwINc+VKOLZ9Bu2OUlwRD4aSgFoxu4WP59FLy/rO251Vk7ECIjlcgVIWT b+uQ== X-Gm-Message-State: AC+VfDwEAhGLzLgUV4G4onLN6cQXJLl1HH6zc+7S1CGdcuBNyxZsvELO +6+L6u5KgBwBgReD8ywMCRDXOw== X-Google-Smtp-Source: ACHHUZ4XvQ8y8AUL5cpt7HXQnZP9qpclGxYr2ttP7vra/2g+xq2YwP3+ZiHmOQjumisSjZU4HbyLNA== X-Received: by 2002:a17:90a:e60e:b0:24e:1ca3:7279 with SMTP id j14-20020a17090ae60e00b0024e1ca37279mr13290490pjy.38.1683628378813; Tue, 09 May 2023 03:32:58 -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 o11-20020a170902d4cb00b001a076025715sm1195191plg.117.2023.05.09.03.32.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 09 May 2023 03:32:58 -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, ShihPo Hung <shihpo.hung@sifive.com>, Vincent Chen <vincent.chen@sifive.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>, Masahiro Yamada <masahiroy@kernel.org>, Alexandre Ghiti <alex@ghiti.fr>, Guo Ren <guoren@kernel.org> Subject: [PATCH -next v19 17/24] riscv: prevent stack corruption by reserving task_pt_regs(p) early Date: Tue, 9 May 2023 10:30:26 +0000 Message-Id: <20230509103033.11285-18-andy.chiu@sifive.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230509103033.11285-1-andy.chiu@sifive.com> References: <20230509103033.11285-1-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
|
expand
|
diff --git a/arch/riscv/kernel/head.S b/arch/riscv/kernel/head.S index e16bb2185d55..11c3b94c4534 100644 --- a/arch/riscv/kernel/head.S +++ b/arch/riscv/kernel/head.S @@ -301,6 +301,7 @@ clear_bss_done: la tp, init_task la sp, init_thread_union + THREAD_SIZE XIP_FIXUP_OFFSET sp + addi sp, sp, -PT_SIZE_ON_STACK #ifdef CONFIG_BUILTIN_DTB la a0, __dtb_start XIP_FIXUP_OFFSET a0 @@ -318,6 +319,7 @@ clear_bss_done: /* Restore C environment */ la tp, init_task la sp, init_thread_union + THREAD_SIZE + addi sp, sp, -PT_SIZE_ON_STACK #ifdef CONFIG_KASAN call kasan_early_init