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([94.75.70.14]) by smtp.gmail.com with ESMTPSA id j7-20020a056512108700b0050e6df07728sm45983lfg.180.2023.12.22.07.13.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 22 Dec 2023 07:13:30 -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: aae1dd13-a0dc-11ee-98eb-6d05b1d4d9a1 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1703258010; x=1703862810; 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=4+kt5AigK7rVqFmhurbl+e1IZXdwgqzAuGxn4PNWXw8=; b=RHKBE9OuHMf4jkEAwNGZF37qfKCJXU8RuCJANgnxGSRU+Zp4a4U7IkQrDLKpX+e5Vy Be/IJXtvG8Iuyk2FvM5UTwr2MkfMpM04FLDPP0wW1qOzsQtTlYS6qiVkL4ciZeSfuq+c Vh+kCyOJ5ecOFIU9XwDCi+1/1hUKg8Yd1O1XknIdKEQvuHCqVxOW/xXabfkkUfhMvlJ/ yF7UkLQtPx5ZPm7wjkjK5bghX5d9wnxIKs+roDetweRDbNEm5d+xxudK6QfzEygXG9q/ 9zLQpixjRn5rcNiZkGaMJG491Mui3JCuNGo/bgYjt9h/ADCSbX6cH3/3bvLO0gtR94sw AEJg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1703258010; x=1703862810; 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=4+kt5AigK7rVqFmhurbl+e1IZXdwgqzAuGxn4PNWXw8=; b=A4BIy3Uj1k2HDAge8W5ZWis5SoaOY3mhX9KUv0Ws9O5WGEcZVUA8mYCdFu2lUdUJFD ubhd9LRPKXRHGqCQLS0juTI3zOCmKJvPi5+ZICxdySMkegLgzC/sRHzIuA25ZCifYPiR 0hKZ6Z7mo5Ti08eVhaB03nbbeLnQ5P91FcT3cFS2hy2Ev0SNu14eOYnKfVdlqLaHnuel gcXi/dKIHjfnTFqqHS8MQZEsfO1Lsx6HlZ/hQXTmzz/lFk0B1hUZTCn5gmxFzA1EcbPE kb3YfL1dxCTdQ9n/x84Oor1mS9lrn34CY84DdpTzLnrv9l5/T9bhQa+G/SLpIwYqKuQ3 wAqw== X-Gm-Message-State: AOJu0Yx8fKEr/+/qCXR+8Y5zwM2c2PwAyRvSk8iMgNZc+ECOzls2CCqf lFnggAneZcNbnMRWAukZzkOMm7UmwqI= X-Google-Smtp-Source: AGHT+IFnHS146v3pWVOKbv24Ye76LXeE/ahHJ1qCkyDhXubqUwiTb8fSXnpsOXcKj6SZtVRuNyqcig== X-Received: by 2002:a19:7703:0:b0:50e:6f89:a149 with SMTP id s3-20020a197703000000b0050e6f89a149mr52393lfc.11.1703258010408; Fri, 22 Dec 2023 07:13:30 -0800 (PST) From: Oleksii Kurochko To: xen-devel@lists.xenproject.org Cc: Oleksii Kurochko , Stefano Stabellini , Julien Grall , Bertrand Marquis , Michal Orzel , Volodymyr Babchuk , Andrew Cooper , George Dunlap , Jan Beulich , Wei Liu , Shawn Anastasio , Alistair Francis , Bob Eshleman , Connor Davis Subject: [PATCH v3 07/34] xen/asm-generic: introdure nospec.h Date: Fri, 22 Dec 2023 17:12:51 +0200 Message-ID: X-Mailer: git-send-email 2.43.0 In-Reply-To: References: MIME-Version: 1.0 The header is similar between Arm, PPC, and RISC-V, so it has been moved to asm-generic. Signed-off-by: Oleksii Kurochko Acked-by: Jan Beulich Acked-by: Shawn Anastasio --- Changes in V3: - new patch. --- xen/arch/arm/include/asm/Makefile | 1 + xen/arch/ppc/include/asm/Makefile | 1 + xen/arch/ppc/include/asm/nospec.h | 15 --------------- xen/arch/riscv/include/asm/Makefile | 1 + .../include/asm => include/asm-generic}/nospec.h | 10 +++++----- 5 files changed, 8 insertions(+), 20 deletions(-) delete mode 100644 xen/arch/ppc/include/asm/nospec.h rename xen/{arch/arm/include/asm => include/asm-generic}/nospec.h (54%) diff --git a/xen/arch/arm/include/asm/Makefile b/xen/arch/arm/include/asm/Makefile index c3f4291ee2..dfb4e9e45c 100644 --- a/xen/arch/arm/include/asm/Makefile +++ b/xen/arch/arm/include/asm/Makefile @@ -3,6 +3,7 @@ generic-y += altp2m.h generic-y += device.h generic-y += hardirq.h generic-y += iocap.h +generic-y += nospec.h generic-y += numa.h generic-y += paging.h generic-y += percpu.h diff --git a/xen/arch/ppc/include/asm/Makefile b/xen/arch/ppc/include/asm/Makefile index adb752b804..0e96ad54c3 100644 --- a/xen/arch/ppc/include/asm/Makefile +++ b/xen/arch/ppc/include/asm/Makefile @@ -5,6 +5,7 @@ generic-y += div64.h generic-y += hardirq.h generic-y += hypercall.h generic-y += iocap.h +generic-y += nospec.h generic-y += numa.h generic-y += paging.h generic-y += percpu.h diff --git a/xen/arch/ppc/include/asm/nospec.h b/xen/arch/ppc/include/asm/nospec.h deleted file mode 100644 index b97322e48d..0000000000 --- a/xen/arch/ppc/include/asm/nospec.h +++ /dev/null @@ -1,15 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* From arch/arm/include/asm/nospec.h. */ -#ifndef __ASM_PPC_NOSPEC_H__ -#define __ASM_PPC_NOSPEC_H__ - -static inline bool evaluate_nospec(bool condition) -{ - return condition; -} - -static inline void block_speculation(void) -{ -} - -#endif /* __ASM_PPC_NOSPEC_H__ */ diff --git a/xen/arch/riscv/include/asm/Makefile b/xen/arch/riscv/include/asm/Makefile index adb752b804..0e96ad54c3 100644 --- a/xen/arch/riscv/include/asm/Makefile +++ b/xen/arch/riscv/include/asm/Makefile @@ -5,6 +5,7 @@ generic-y += div64.h generic-y += hardirq.h generic-y += hypercall.h generic-y += iocap.h +generic-y += nospec.h generic-y += numa.h generic-y += paging.h generic-y += percpu.h diff --git a/xen/arch/arm/include/asm/nospec.h b/xen/include/asm-generic/nospec.h similarity index 54% rename from xen/arch/arm/include/asm/nospec.h rename to xen/include/asm-generic/nospec.h index 51c7aea4f4..5ded9746f3 100644 --- a/xen/arch/arm/include/asm/nospec.h +++ b/xen/include/asm-generic/nospec.h @@ -1,8 +1,8 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* Copyright 2018 Amazon.com, Inc. or its affiliates. All Rights Reserved. */ +/* SPDX-License-Identifier: GPL-2.0-only */ +#ifndef _ASM_GENERIC_NOSPEC_H +#define _ASM_GENERIC_NOSPEC_H -#ifndef _ASM_ARM_NOSPEC_H -#define _ASM_ARM_NOSPEC_H +#include static inline bool evaluate_nospec(bool condition) { @@ -13,7 +13,7 @@ static inline void block_speculation(void) { } -#endif /* _ASM_ARM_NOSPEC_H */ +#endif /* _ASM_GENERIC_NOSPEC_H */ /* * Local variables: