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[37.24.206.209]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-5c8e05eb7b7sm4462105a12.68.2024.10.08.09.00.29 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 08 Oct 2024 09:00:30 -0700 (PDT) X-Outflank-Mailman: Message body and most headers restored to incoming version X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: 7195a656-858e-11ef-a0bc-8be0dac302b0 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=google; t=1728403230; x=1729008030; darn=lists.xenproject.org; h=content-transfer-encoding:autocrypt:subject:from:cc:to :content-language:user-agent:mime-version:date:message-id:from:to:cc :subject:date:message-id:reply-to; bh=AnUwlHV85d5fiLD3WDSQYdspkPTRoFlRMY42aE97+lU=; b=B+8Bf6LoLjWNEgcxjOLz0g+Dicq7eemxrTXNod5HDVh3BSUfq/DdrQbB2iXix5ImUf cTGeFntiHRAQKl8gci3Yzznu/QZu/DuIdEPKoKC+zKoyExZ4PTBypz6//QK/Yk2AqRPn rkFo1ldHZJZOo7m62ZcEJRtSm0hxfxkMql5mZcsvo06/WxKUbQ8SQ7/sffj6N65VPNck IayJcycJIrAG90JSLzR/1ZZA8HtQAylR8DTb4aRwUADaMYWkmCxo/amJBMq0lginFdT7 ZQ0b+LNzzlAU4w2yGbeQK5ov3OZQEoVLjImA5wzlPPRl7RsWNY19p+VKFhUQqpY2Rvza LjGA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1728403230; x=1729008030; h=content-transfer-encoding:autocrypt:subject:from:cc:to :content-language:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=AnUwlHV85d5fiLD3WDSQYdspkPTRoFlRMY42aE97+lU=; b=Qfi+iosVz9Hk8WAW5wHSFpg4XiRp5uj4CBeHdN/z3XdHRghQOEh8GOEpCG4AmJTbcc qsrRg9sVylxAE02i6kZvKh9/of7kuB3wDNK/G0hd/guQODptXF0P6qsczUxI7/KMc2u3 cnT/JM1xgis9Cw4gngrZ+3cJKuipyD5xYglZj7X5g8loCXObKc0geJkOQOMuyg25NzrI ZECNQRWWhzuLBmTix1BbVYSbkbdbWUXCXWSmkhuLdawB3/mGl3lPwJrvJe6QWIr4FESX 6qAO6La3c1sGByMBVADidHaxY1jz6Jy382iZNt+6ZA476idBXNqhEpzAd42oS4PNWE2v BfOA== X-Gm-Message-State: AOJu0YzHUCIkwQYh9XessNEeBMtYga63o4noSq8ZitlkzkPno/Z1NvVL pX10/WclUjKxsKYTDoTZhvQtHothlIlZS3iXFDbrS27q5FjZR1HhxdcmIFw++kVxFY6rxGmUyCg = X-Google-Smtp-Source: AGHT+IHqc9NTJzD2RqG2SQ/BvLDAOQZd17TXFjAceAUFvOJC2oW1OrP2iCDiK9hsu/+vR82J/BqeVg== X-Received: by 2002:a05:6402:3714:b0:5c8:9668:45a6 with SMTP id 4fb4d7f45d1cf-5c8d2e262f6mr12691221a12.13.1728403230281; Tue, 08 Oct 2024 09:00:30 -0700 (PDT) Message-ID: Date: Tue, 8 Oct 2024 18:00:29 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Content-Language: en-US To: "xen-devel@lists.xenproject.org" Cc: Andrew Cooper , =?UTF-8?Q?Roger_Pau_Monn=C3=A9?= From: Jan Beulich Subject: [PATCH] x86: restore semicolon after explicit DS prefix Autocrypt: addr=jbeulich@suse.com; keydata= xsDiBFk3nEQRBADAEaSw6zC/EJkiwGPXbWtPxl2xCdSoeepS07jW8UgcHNurfHvUzogEq5xk hu507c3BarVjyWCJOylMNR98Yd8VqD9UfmX0Hb8/BrA+Hl6/DB/eqGptrf4BSRwcZQM32aZK 7Pj2XbGWIUrZrd70x1eAP9QE3P79Y2oLrsCgbZJfEwCgvz9JjGmQqQkRiTVzlZVCJYcyGGsD /0tbFCzD2h20ahe8rC1gbb3K3qk+LpBtvjBu1RY9drYk0NymiGbJWZgab6t1jM7sk2vuf0Py O9Hf9XBmK0uE9IgMaiCpc32XV9oASz6UJebwkX+zF2jG5I1BfnO9g7KlotcA/v5ClMjgo6Gl MDY4HxoSRu3i1cqqSDtVlt+AOVBJBACrZcnHAUSuCXBPy0jOlBhxPqRWv6ND4c9PH1xjQ3NP nxJuMBS8rnNg22uyfAgmBKNLpLgAGVRMZGaGoJObGf72s6TeIqKJo/LtggAS9qAUiuKVnygo 3wjfkS9A3DRO+SpU7JqWdsveeIQyeyEJ/8PTowmSQLakF+3fote9ybzd880fSmFuIEJldWxp Y2ggPGpiZXVsaWNoQHN1c2UuY29tPsJgBBMRAgAgBQJZN5xEAhsDBgsJCAcDAgQVAggDBBYC AwECHgECF4AACgkQoDSui/t3IH4J+wCfQ5jHdEjCRHj23O/5ttg9r9OIruwAn3103WUITZee e7Sbg12UgcQ5lv7SzsFNBFk3nEQQCACCuTjCjFOUdi5Nm244F+78kLghRcin/awv+IrTcIWF hUpSs1Y91iQQ7KItirz5uwCPlwejSJDQJLIS+QtJHaXDXeV6NI0Uef1hP20+y8qydDiVkv6l IreXjTb7DvksRgJNvCkWtYnlS3mYvQ9NzS9PhyALWbXnH6sIJd2O9lKS1Mrfq+y0IXCP10eS FFGg+Av3IQeFatkJAyju0PPthyTqxSI4lZYuJVPknzgaeuJv/2NccrPvmeDg6Coe7ZIeQ8Yj t0ARxu2xytAkkLCel1Lz1WLmwLstV30g80nkgZf/wr+/BXJW/oIvRlonUkxv+IbBM3dX2OV8 AmRv1ySWPTP7AAMFB/9PQK/VtlNUJvg8GXj9ootzrteGfVZVVT4XBJkfwBcpC/XcPzldjv+3 HYudvpdNK3lLujXeA5fLOH+Z/G9WBc5pFVSMocI71I8bT8lIAzreg0WvkWg5V2WZsUMlnDL9 mpwIGFhlbM3gfDMs7MPMu8YQRFVdUvtSpaAs8OFfGQ0ia3LGZcjA6Ik2+xcqscEJzNH+qh8V m5jjp28yZgaqTaRbg3M/+MTbMpicpZuqF4rnB0AQD12/3BNWDR6bmh+EkYSMcEIpQmBM51qM EKYTQGybRCjpnKHGOxG0rfFY1085mBDZCH5Kx0cl0HVJuQKC+dV2ZY5AqjcKwAxpE75MLFkr wkkEGBECAAkFAlk3nEQCGwwACgkQoDSui/t3IH7nnwCfcJWUDUFKdCsBH/E5d+0ZnMQi+G0A nAuWpQkjM1ASeQwSHEeAWPgskBQL Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @suse.com) X-ZM-MESSAGEID: 1728403255623116600 Content-Type: text/plain; charset="utf-8" It's not unnecessary (as the earlier commit claimed): The integrated assembler of Clang up to 11 complains about an "invalid operand for instruction". Fixes: b42cf31d1165 ("x86: use alternative_input() in cache_flush()") Signed-off-by: Jan Beulich Acked-by: Andrew Cooper --- a/xen/arch/x86/flushtlb.c +++ b/xen/arch/x86/flushtlb.c @@ -286,7 +286,7 @@ void cache_flush(const void *addr, unsig * + prefix than a clflush + nop, and hence the prefix is added in= stead * of letting the alternative framework fill the gap by appending = nops. */ - alternative_input("ds clflush %[p]", + alternative_input("ds; clflush %[p]", "data16 clflush %[p]", /* clflushopt */ X86_FEATURE_CLFLUSHOPT, [p] "m" (*(const char *)(addr)));