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[37.24.206.209]) by smtp.gmail.com with ESMTPSA id v21-20020a05600c445500b0040e3bdff98asm4589894wmn.23.2024.01.10.23.21.56 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 10 Jan 2024 23:21:56 -0800 (PST) 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: 1a74c619-b052-11ee-98f0-6d05b1d4d9a1 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=google; t=1704957717; x=1705562517; 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=M+5CGOukjfQO94V4R3Cj4aE/IhM5ucCz6YzI5SlI/Cg=; b=gLl0njn0yCqlsd6TsR9xKHK4BX9yyBUW0JHC/s+t1q4XccBQi7EuT1q8XZ7h5ccxC7 4hXqRAl+HRuUmnpw75Ud1zg4Cpai+OgYEf3dGo98g7oBE8RwARJwrC/aX2RajMQVp/KB iP4VBlPmq3L11YRPIEKD6iD5y/JkU0LUEnR4qj7lO4D1Iz9UgrmsSacJNBSyzR/Fp0en BdLmEZ+WihtOQUJZ8nd1e4/ti5CAFeNjmuhxZHWp5LicqNKWsKHmdsL/lIC0B1nlhuRt cWnQiiurVARBVmi1zvh7S/5pbU3djDqWQBA006wJAMm3POHxcOYBXn7qf2lZuMn/rG86 edZw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1704957717; x=1705562517; 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=M+5CGOukjfQO94V4R3Cj4aE/IhM5ucCz6YzI5SlI/Cg=; b=JpwnogHLSN5PzKlRbteZbjzYUWr5nfX2xvlG33MkeijFoWKKKRSM3XQjhCV7SAokN+ uSMBxV/X93xJBiWXq/VB4FA4sQcSa2HuLtL8Hm0He/BUPe+r1GQ0XLJflUQ4E6E50hyV 2p0uvUACSEPNSO7GHX0UyIjB516ZHk72P7Irl568qjLq/7fwHfGccP/6bUoX7FfGrwxb HnKqIE/YlEhYaslc3JoQuDprSFp9OKEHQEMlPigaMi4yy6QcR8RaB4hjSt29D5/HGyUf KcsBZZvj7P0rlj67V4BkGPPc6fFm7QtgMiBDm9cfncYAFeSnE7nKCsFSfcXQTZ89JY09 g40w== X-Gm-Message-State: AOJu0Yx0HqQMtwqbcayqlkX3LZN1eX/aXpYwd8rVjykjnyb7RZimwV9L j+/u/pug+ZAUTqM3yf2/BhNidYJKuoxQq6kbD6BRNjf9cQ== X-Google-Smtp-Source: AGHT+IFkyYuMAsT4/HiJMCGUHgpiBSLBZEHHh4SHeaBfpFk1N3a0WRqN5rgewDg3ynbm8kmp631eDg== X-Received: by 2002:a05:600c:518e:b0:40e:4e0f:3b2 with SMTP id fa14-20020a05600c518e00b0040e4e0f03b2mr139625wmb.5.1704957716863; Wed, 10 Jan 2024 23:21:56 -0800 (PST) Message-ID: <5d6089a4-c597-49ce-b042-24f13922f581@suse.com> Date: Thu, 11 Jan 2024 08:21:55 +0100 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 , Wei Liu From: Jan Beulich Subject: [PATCH 0/8] limit passing around of cpu_user_regs 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 Unlike (synchronous) exception handlers, interrupt handlers don't normally have a need to know the outer context's register state. Similarly, the vast majority of key handlers has no need for such. 1: keyhandler: don't pass cpu_user_regs around 2: IRQ: generalize [gs]et_irq_regs() 3: serial: drop serial_rx_fn's regs parameter 4: PV-shim: drop pv_console_rx()'s regs parameter 5: serial: drop serial_[rt]x_interrupt()'s regs parameter 6: IRQ: drop regs parameter from handler functions 7: x86/vPMU: drop regs parameter from interrupt functions 8: x86/APIC: drop regs parameter from direct vector handler functions Jan