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[37.24.206.209]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-706901f821bsm1864129b3a.185.2024.06.25.00.30.12 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 25 Jun 2024 00:30:16 -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: c5543e10-32c4-11ef-90a3-e314d9c70b13 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=google; t=1719300617; x=1719905417; 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=nK0Y07RFd8lZ/LFtFGqUL2rlLF1Ixqi2wrWAmUHB+z4=; b=Ssr4WtSz9dn1z26iCv8agLm9g5B2uUBJVSqmRGzSEjNfbeTxQ5BA/CggjyuInj/6Vw u9o9Rhek+/XoBcbuEv/HVISeiTeqkW0cGfPuLzyuwRKKunrGKF9o4biib01c/KnR88WG Axx7WLKBLzF6t1XT+MDQ0eTct0PnI0L/KuC6Z4h7BdNXSdhb4Zwt5OBD5XGCZ/+BKGsj clcxnjBqOV3jlp7hJWDPFoUTsqc+Uj7oXNZ7YxjNASXH6uM630xu0iW7uO1/AmDRXx/U WuwStE9INgZ+LAOmuklHrny9Kwn6nkIN7dY6tNGI3k9zJru/NwV7LmIe2FdTd8Sqc34D yasw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1719300617; x=1719905417; 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=nK0Y07RFd8lZ/LFtFGqUL2rlLF1Ixqi2wrWAmUHB+z4=; b=SYn6q0cjFiq2viNvd18wYxTMaKSAOVxokKHJ5RB9VJN52byy9WwC7frrVWQjwJS0zf HxQsR9cXjkHJ/rMyKtZLNJFTx8g+s4sTHlQwopO/WSiurxr9C2PCSQqxdC/WJuxUKF2L 1oiEWDa8m92+PK55qchPWhNc0SzI1BGTIiNeYRi95RQuk77dEGP1kcNat0/2wTq6ChLA iMoDkSdE93mXoh1OMv0Ff6UksEP1FOcO4pO+zO7rJpJaOtgY6NagCIegGL3ndS1icrrZ th+lwI/J2PvrIfeVqqP+30N27qyguH63A5RSGA+BjsTB8xEaYnq3S1AHv6gZ7w3L+AtL Fmtw== X-Gm-Message-State: AOJu0YxwCAQym7TXzvpu0AvUnk9XvNnrE3AImNt3xcI3J6Gdrf6YYXmL B3zMCfV3WHuCFKWPgVCFP3lMT6i4VqUpN2lnQ8kEEicnWbQlymhcEhYAs7CMiMzZf8obM2YeqJ4 = X-Google-Smtp-Source: AGHT+IGM6x0S2hjlpBYQnAepJVKzHIdFRQjWGv84699fMRFYwIC5BjyKgtTGGAqafZVcGnls8Hiljg== X-Received: by 2002:a2e:9258:0:b0:2ec:4f01:2c0f with SMTP id 38308e7fff4ca-2ec5b31a392mr48371921fa.26.1719300617223; Tue, 25 Jun 2024 00:30:17 -0700 (PDT) Message-ID: <00bb4998-d0a7-43dc-8d3c-abb3f66661cc@suse.com> Date: Tue, 25 Jun 2024 09:30:07 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Content-Language: en-US To: "xen-devel@lists.xenproject.org" Cc: Andrew Cooper , George Dunlap , Julien Grall , Stefano Stabellini , =?UTF-8?Q?Roger_Pau_Monn=C3=A9?= , Oleksii Kurochko From: Jan Beulich Subject: [PATCH for-4.19] gnttab: fix compat query-size handling 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: 1719300641491100001 Content-Type: text/plain; charset="utf-8" The odd DEFINE_XEN_GUEST_HANDLE(), inconsistent with all other similar constructs, should have caught my attention. Turns out it was needed for the build to succeed merely because the corresponding #ifndef had a typo. That typo in turn broke compat mode guests, by having query-size requests of theirs wire into the domain_crash() at the bottom of the switch(). Fixes: 8c3bb4d8ce3f ("xen/gnttab: Perform compat/native gnttab_query_size c= heck") Signed-off-by: Jan Beulich Reviewed-by: Roger Pau Monn=C3=A9 --- Looks like set-version is similarly missing in the set of structures checked, but I'm pretty sure that we will now want to defer taking care of that until after 4.20 was branched. --- a/xen/common/compat/grant_table.c +++ b/xen/common/compat/grant_table.c @@ -33,7 +33,6 @@ CHECK_gnttab_unmap_and_replace; #define xen_gnttab_query_size gnttab_query_size CHECK_gnttab_query_size; #undef xen_gnttab_query_size -DEFINE_XEN_GUEST_HANDLE(gnttab_query_size_compat_t); =20 DEFINE_XEN_GUEST_HANDLE(gnttab_setup_table_compat_t); DEFINE_XEN_GUEST_HANDLE(gnttab_transfer_compat_t); @@ -111,7 +110,7 @@ int compat_grant_table_op( CASE(copy); #endif =20 -#ifndef CHECK_query_size +#ifndef CHECK_gnttab_query_size CASE(query_size); #endif