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X-CSE-ConnectionGUID: +BNR4W3TS+qUBELfdrscLw== X-CSE-MsgGUID: Y8gft3I6TXiql1qxf7xz+A== X-IronPort-AV: E=McAfee;i="6800,10657,11586"; a="63365292" X-IronPort-AV: E=Sophos;i="6.19,259,1754982000"; d="scan'208";a="63365292" Received: from fmviesa004.fm.intel.com ([10.60.135.144]) by orvoesa112.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Oct 2025 08:49:50 -0700 X-CSE-ConnectionGUID: nKw3segXR9SmNSmNCP6K+A== X-CSE-MsgGUID: tiEUEq75Rs6D9BxAxnzHvg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,259,1754982000"; d="scan'208";a="190287983" Received: from cmdeoliv-mobl4.amr.corp.intel.com (HELO [10.125.109.112]) ([10.125.109.112]) by fmviesa004-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Oct 2025 08:49:49 -0700 Message-ID: Date: Mon, 27 Oct 2025 08:49:48 -0700 Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v9 05/22] x86/cea: Use array indexing to simplify exception stack access To: "Xin Li (Intel)" , linux-kernel@vger.kernel.org, kvm@vger.kernel.org, linux-doc@vger.kernel.org Cc: pbonzini@redhat.com, seanjc@google.com, corbet@lwn.net, tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, dave.hansen@linux.intel.com, x86@kernel.org, hpa@zytor.com, luto@kernel.org, peterz@infradead.org, andrew.cooper3@citrix.com, chao.gao@intel.com, hch@infradead.org, sohil.mehta@intel.com References: <20251026201911.505204-1-xin@zytor.com> <20251026201911.505204-6-xin@zytor.com> From: Dave Hansen Content-Language: en-US Autocrypt: addr=dave.hansen@intel.com; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 10/26/25 13:18, Xin Li (Intel) wrote: > Refactor struct cea_exception_stacks to leverage array indexing for > exception stack access, improving code clarity and eliminating the > need for the ESTACKS_MEMBERS() macro. > > Convert __this_cpu_ist_{bottom,top}_va() from macros to functions, > allowing removal of the now-obsolete CEA_ESTACK_BOT and CEA_ESTACK_TOP > macros. > > Also drop CEA_ESTACK_SIZE, which just duplicated EXCEPTION_STKSZ. > > Signed-off-by: Xin Li (Intel) > --- > > Change in v9: > * Refactor first and then export in a separate patch (Dave Hansen). Thanks for the changes. This also removes the extra union{} that was in the last version for padding. Acked-by: Dave Hansen