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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 01:00:32 -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: 3f2bcf75-765d-11ef-a0b8-8be0dac302b0 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cloud.com; s=cloud; t=1726732833; x=1727337633; 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=LC8M6s/MVpQRIQSwMvY2TOhq+jsgpFyl0gaX8hEkFeg=; b=Bqxnlq65gXEBY8AvxRAWX5V7JSmWJl24yDTY1v2oEnc3gf0Z+kxpvNPDtpDczd8Nid zUrq9bjh/YrXdkN601hc3JKQi/X8H2u8o6MgzfnpxENszxcdSGs96oZCfVAPJMj0IygD ydnIIkTT9ywWtBDgbY2wnfBPDuw8yupIrtaBo= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1726732833; x=1727337633; 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=LC8M6s/MVpQRIQSwMvY2TOhq+jsgpFyl0gaX8hEkFeg=; b=DaxWU7x/PpnFr4Za3K1nQGGnooCq+6ZjJuO4WCiAtCLvRVQQLOELGscqqk6HPGHXGx XiJMJ10o4OdgoI6SV1JhK73p9WMaLs1QNxO0pzFAMEXvP2LFfflNhrNmVziWrvdC2+Av QMyep97FEprrkjp7OmZlojHYvjRvNnkN/o/BtwFjiAEyzSlSag6Gucn/uK3SufINhx8p dIAZQoesrswjPa6Skr0isNtJzm8sf13k8cqcFNHfGSH3AfZfDmNe+sM0YIFV40DZX+W7 3F379b9sVRMdIhzWsVraysW+B3W4pI1ECQ5g2m43rG0GyHvFPqWtoQMN+zFlocr40HRr 7NEw== X-Gm-Message-State: AOJu0YytPkNmgd07tecADuyA49Sbe3htdCjhtPy/HeeSHbQWA2SDef1O hKuIa8mqWAkk1eGrt2xSEtutU2iV3qmm+SgI8FDuWcqi7A9+yr5ZZv/YMjAvNPzEoTl6YbzJ8lN W X-Google-Smtp-Source: AGHT+IGOsZNYCuv/0HbieXRUQDMoMUEOCgm6cKCkRH3yQfSv2nuJkEEBFPCrsnP8EALdPW7R9A9HHA== X-Received: by 2002:a17:907:60cd:b0:a7a:9144:e23a with SMTP id a640c23a62f3a-a904804371dmr1973443666b.43.1726732832925; Thu, 19 Sep 2024 01:00:32 -0700 (PDT) From: Frediano Ziglio To: xen-devel@lists.xenproject.org Cc: Frediano Ziglio , Jan Beulich , Andrew Cooper , =?UTF-8?q?Roger=20Pau=20Monn=C3=A9?= Subject: [PATCH v4 3/3] x86: Align output sections for UEFI CA memory mitigation requirements Date: Thu, 19 Sep 2024 09:00:21 +0100 Message-Id: <20240919080021.20155-4-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 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @cloud.com) X-ZM-MESSAGEID: 1726732867937116600 Content-Type: text/plain; charset="utf-8" All loadable sections should be page aligned. Signed-off-by: Frediano Ziglio --- xen/arch/x86/xen.lds.S | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/xen/arch/x86/xen.lds.S b/xen/arch/x86/xen.lds.S index b0b952dd9c..ef446e0a71 100644 --- a/xen/arch/x86/xen.lds.S +++ b/xen/arch/x86/xen.lds.S @@ -208,6 +208,10 @@ SECTIONS =20 } PHDR(text) =20 +#ifdef EFI + /* align to satisfy UEFI CA memory mitigation */ + . =3D ALIGN(PAGE_SIZE); +#endif DECL_SECTION(.init.data) { *(.init.bss.stack_aligned) =20 @@ -262,6 +266,10 @@ SECTIONS __ctors_end =3D .; } PHDR(text) =20 +#ifdef EFI + /* align to satisfy UEFI CA memory mitigation */ + . =3D ALIGN(PAGE_SIZE); +#endif DECL_SECTION(.init.trampoline) { *(.init.trampoline) } PHDR(text) --=20 2.34.1