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([185.25.67.249]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-a90612b3833sm686196966b.128.2024.09.19.01.00.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 19 Sep 2024 01:00:31 -0700 (PDT) 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: 3e84af72-765d-11ef-99a2-01e77a169b0f DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cloud.com; s=cloud; t=1726732832; x=1727337632; darn=lists.xenproject.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=wlJV860CHFIhZUFAaTj7LRdFO7tQVpGEeYCyJLyCLTE=; b=KoOHRS8F6HjQkAnSy8wJ64qoCiAuLg5lvxM5MvnVX/edg+uQqTF3FoUY1Y37+OeCjK r7Kt8F5U9kfNl4Dxncvg/9csMoxRpPOlbhnchWjvLajf1PVRZbHj83W8UsaStD2nZnqA JBl6gYoZjOzd+wMOY0HKgMK5Ori3CaJk+ruGM= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1726732832; x=1727337632; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=wlJV860CHFIhZUFAaTj7LRdFO7tQVpGEeYCyJLyCLTE=; b=KB+hDwkOh5/oyyRXB91sUSv/z31Y4jeH8nhBHf9GVKfaFSXK9uR0ZaaaMaQVQLwtkr yYKQ8WPtWfT5LvvjhYg5CdBSGpQfwv2sRsRz6SMpUqcnWVBjcx25w0RNYR1hkW78PBfg 70mQahxDDo+9jdDb6g1ZmOrCYKrw00wV+M4LRzwuASozaSh86xdQ58bbNpRaI1wywlod IvbCZcfxMJot85Zn+hr4zJnBzycgZ5fu6wq2ThNxNgPpvpnnSUoqFMBCGU1tkkNAzqDY BTYgGOAGd9zG1lEJx2TKmvHHbDG3/Jio9z+zIwrOTFo7uUgkJh+x8OlGADyeDu9B9+62 cMgQ== X-Gm-Message-State: AOJu0Yy8B/btGBWvad93Sn8qut4j0efLaDKf121VhqYEgfILmd8JpsZ5 5N8RhQo9cWvECnTTA9ftw6GaTaLdL5iGaVd7faho7J+KEeZx01Tm+OaI+AtToABFPyGQvmN0mu3 3 X-Google-Smtp-Source: AGHT+IFuM1neyyvkiv8/7X9CBi7JjqlypIO++ycMpb0mRa3IK/kvKtWpocgbbS+asR8PGMc1YflBag== X-Received: by 2002:a17:906:794d:b0:a8b:154b:7643 with SMTP id a640c23a62f3a-a90295a2e51mr2608125366b.28.1726732831744; Thu, 19 Sep 2024 01:00:31 -0700 (PDT) From: Frediano Ziglio To: xen-devel@lists.xenproject.org Cc: Frediano Ziglio , Jan Beulich , Andrew Cooper , =?utf-8?q?Roger_Pau_Monn=C3=A9?= Subject: [PATCH v4 2/3] x86: Split output sections for UEFI CA memory mitigation requirements Date: Thu, 19 Sep 2024 09:00:20 +0100 Message-Id: <20240919080021.20155-3-frediano.ziglio@cloud.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240919080021.20155-1-frediano.ziglio@cloud.com> References: <20240919080021.20155-1-frediano.ziglio@cloud.com> MIME-Version: 1.0 Split code and data to satisfy W^X requirement. Signed-off-by: Frediano Ziglio Acked-by: Jan Beulich --- xen/arch/x86/xen.lds.S | 9 +-------- 1 file changed, 1 insertion(+), 8 deletions(-) diff --git a/xen/arch/x86/xen.lds.S b/xen/arch/x86/xen.lds.S index 22fb7d8458..b0b952dd9c 100644 --- a/xen/arch/x86/xen.lds.S +++ b/xen/arch/x86/xen.lds.S @@ -194,11 +194,7 @@ SECTIONS __2M_init_start = .; /* Start of 2M superpages, mapped RWX (boot only). */ . = ALIGN(PAGE_SIZE); /* Init code and data */ __init_begin = .; -#ifdef EFI /* EFI wants to merge all of .init.* ELF doesn't. */ - DECL_SECTION(.init) { -#else DECL_SECTION(.init.text) { -#endif _sinittext = .; *(.init.text) *(.text.startup) @@ -210,12 +206,9 @@ SECTIONS */ *(.altinstr_replacement) -#ifdef EFI /* EFI wants to merge all of .init.* ELF doesn't. */ - . = ALIGN(SMP_CACHE_BYTES); -#else } PHDR(text) + DECL_SECTION(.init.data) { -#endif *(.init.bss.stack_aligned) . = ALIGN(POINTER_ALIGN);