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([95.67.15.120]) by smtp.gmail.com with ESMTPSA id 38308e7fff4ca-32a85bd2d30sm7225011fa.98.2025.05.30.13.31.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 30 May 2025 13:31:57 -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: 2272a382-3d95-11f0-b894-0df219b8e170 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1748637118; x=1749241918; darn=lists.xenproject.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=vhJaJA/ACQH5wfV2evOmhTU2I88ao20gELtlbDGW3gM=; b=UNqvZaI4eqDptmowkQHh/xaPg0CadJaGJH309kaEInmSh69KroKKc20eu+Z1TQwXoD a89oogydYUsfyocyAjZ3gJcbQ6oRRpx1cRkrq/adYy+3mnbZgoX/QhLHG4t2pVR/0iXy znShZfdGqv4q6MYNLh8t6V2sIMbqgFpmcdCHyMzqxEsCmQm2x3X3Zd0tt1+veHORzg4d 7LPgxZ9MXwHK5i2FjvzYce7OfLos0SrDt/BRv1WyOAf0jl/xVkqheI5+d2C09gC3XagM 6scMSbURJP09ap6gTfM9gjlKqyMUmW97RfIHEseFz8w4CcuFtZ7uigx0CGkHu42EfRTE mphA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1748637118; x=1749241918; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=vhJaJA/ACQH5wfV2evOmhTU2I88ao20gELtlbDGW3gM=; b=GvrHL60xGjVoycBbdR2uLwYtbwj25td+Va7gjsFxxLov0kjbSs4DZ5Za5MIGSDxbFD XYHb2GwEB1ciwV/Ga+e2EfzP8b3ntzlEwv0Ki4W21HsUfUa6EQMvpZPTDrXO1KUVHANz 3oJdB7BF4QfImK+HyfEto5PqQjAjYLhoD5UCZ2WRkkGz0mNXMj3qOvO9fww+oemilCpk dPYHMPDnqhifr5dvxq0hde0YYmMhqIjdHaCKFmtiOr6LjAetMvV6uDSW+EfCQ404dbNz GT0jIHHsOJB++qCaohOGymfAbs8jL3fCXR7OakHhN+Q4MURDJHPdE47Dx3mn8yN+/8WI 3Rgg== X-Gm-Message-State: AOJu0YxupHFXpY7FmCqZTBbY1wdNSrDp8cVuN5xsjneUYElf29UmEdDw Kvw866MLH9urhBZPug8Oq1L/ywGPcSrud1ekrD+DzPpBlzXV3N3T5plQLVU2B5Ba X-Gm-Gg: ASbGncs51xKWO/AcYz3Eh32EtMrnTg+TVakSJdKd0bztWx2YHvs1JANCNcAwh9XbkO+ vwr/dSWgYiPc0xksLwFmF+C4Quk7E1OpnvCbepkG/wXnkZLwBvJYORdp2Cr33S9fS8xNSROtaZa 4kjQVhuT4Ys6x86ESNAoq0xBoItkH3cTvciOIqCKBtj0rwHptiP9sA55ifnAlVSsBmZRG9Lu0i7 GHifSzg5w+tTGtHE5l3DLbGR17LXB/gfUNi5OGMtD0AlzB/93wAdkgPRGKVKbEPr5W74u31fe3z HwjM6HEJU9hLw9kTFVayltPa/xc8hGv5RS+/9qAxShn8swzSKSsvL7CzyHvHkRQj7ETJ+sxY5CY zxmMR20QOerWqNAY= X-Google-Smtp-Source: AGHT+IHwhHGkGKuTPHsPJ23ehLzxewRigP71Da4uqWvefQzcBRPBl3bVxD3yB3xgrTIHOh68+q0pGw== X-Received: by 2002:a05:651c:542:b0:32a:5fe2:81b2 with SMTP id 38308e7fff4ca-32a8cda3365mr22074511fa.23.1748637117478; Fri, 30 May 2025 13:31:57 -0700 (PDT) From: Mykola Kvach To: xen-devel@lists.xenproject.org Cc: Mykola Kvach , Stefano Stabellini , Julien Grall , Bertrand Marquis , Michal Orzel , Volodymyr Babchuk Subject: [PATCH] xen/arm64: head: document missing input registers for MMU functions Date: Fri, 30 May 2025 23:31:35 +0300 Message-ID: <9b1f50a40e3634f859ad8e7446c24e43caaa38eb.1748637004.git.mykola_kvach@epam.com> X-Mailer: git-send-email 2.48.1 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1748637152068116600 Content-Type: text/plain; charset="utf-8" From: Mykola Kvach Add missing input register descriptions to enable_secondary_cpu_mm and enable_boot_cpu_mm functions. Specifically: - x19 is used in enable_boot_cpu_mm as physical start address. - x20 is used in both functions for physical offset passed to load_paddr. This update improves code clarity and consistency in comments. No functional changes are introduced by this patch. Signed-off-by: Mykola Kvach Reviewed-by: Michal Orzel --- xen/arch/arm/arm64/mmu/head.S | 3 +++ 1 file changed, 3 insertions(+) diff --git a/xen/arch/arm/arm64/mmu/head.S b/xen/arch/arm/arm64/mmu/head.S index 634156f83d..033b3a018a 100644 --- a/xen/arch/arm/arm64/mmu/head.S +++ b/xen/arch/arm/arm64/mmu/head.S @@ -313,6 +313,7 @@ END(enable_mmu) * * Inputs: * lr : Virtual address to return to. + * x20: phys offset (used by load_paddr) * * Clobbers x0 - x6 */ @@ -337,6 +338,8 @@ END(enable_secondary_cpu_mm) * * Inputs: * lr : Virtual address to return to. + * x19: paddr(start) (used by remove_identity_mapping) + * x20: phys offset (used by load_paddr) * * Clobbers x0 - x6 */ --=20 2.48.1