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[209.132.180.67]) by mx.google.com with ESMTP id ch18si32232418plb.76.2019.08.01.01.19.42; Thu, 01 Aug 2019 01:19:42 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of stable-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=lj9Gf1gl; spf=pass (google.com: best guess record for domain of stable-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=stable-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730420AbfHAITm (ORCPT + 14 others); Thu, 1 Aug 2019 04:19:42 -0400 Received: from mail-pg1-f193.google.com ([209.85.215.193]:42755 "EHLO mail-pg1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730392AbfHAITl (ORCPT ); Thu, 1 Aug 2019 04:19:41 -0400 Received: by mail-pg1-f193.google.com with SMTP id t132so33724193pgb.9 for ; Thu, 01 Aug 2019 01:19:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=FDb8snX7fHtHRXPBtLwcic7/q7BlhqslXapsBvvT9m4=; b=lj9Gf1glakTXRPzaABcp+dSTirE8tmaZ6Td74cA3BogQQOFnDfrZx9oEj0Hnu8zmf7 I54TfGtBNyKO+fzt/7SB7xyYp1p4K8QLFUWbHq2Go+7iSwTcEIBwjplWtA/b6ot5RZGD 7Ejsf7yCr1FZcsZOTEXCXfaLdFA2Ee/138F9K3VmN6GopU0+0ZREjPK+4GNwcUa4QIpo n0qcmsR2ExwcIsWajm8cidxMF4XetBAN/apkVA+G1DBoLILahesp6c9blZQkIM3Azh4S 2LRU0HSJJAZfiApfsG1OijZOdJzf2a4NKzlEumfazVW8XkjdyZFVaHxoXrZvSRpZ3mvp eSlw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=FDb8snX7fHtHRXPBtLwcic7/q7BlhqslXapsBvvT9m4=; b=AQ47EL84f77wToo4JY5p+cOp5NaGWrNO9dwKecIS4k0aHeznnet50RHJwKH6CqSFNL 0+rwG/Q+/qpkFeM2YWdhnF+fNRuRLrEFBmj8nJZtuva8xjF7wswyB2qkavQLle6PrpIc Hkmfsa6QgkUCIgxZrAukg4vJi8m6LcSUd+8D6hNyc0FCb/EPKP5nxeHX2dzz2RBe5+wX tEkZLkXZWlW22+0RNio32mVi7f3qjIQ0dh307Y6JCDFftQGVj3VtLHEwAVSzy2zbHv3i ljkqpO+8nZipaTYniRgoNV9zilAuG4TBiV45fAt5xGFktQ0XwTX1trsfjRssL9j6CxWQ T4yw== X-Gm-Message-State: APjAAAXCFnVHgQqwdXPSrIdEsbw5IIeq0kHf+mmH0z2APINcZERyJQ5F PtdzKnoV/PPsFBDRUAiLgowtA88ngCo= X-Received: by 2002:a62:750c:: with SMTP id q12mr53419702pfc.59.1564647581009; Thu, 01 Aug 2019 01:19:41 -0700 (PDT) Received: from localhost ([122.172.28.117]) by smtp.gmail.com with ESMTPSA id u1sm67243723pgi.28.2019.08.01.01.19.40 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 01 Aug 2019 01:19:40 -0700 (PDT) From: Viresh Kumar To: stable@vger.kernel.org Cc: Viresh Kumar , Julien Thierry , linux-arm-kernel@lists.infradead.org, Catalin Marinas , Marc Zyngier , Mark Rutland , Will Deacon , Russell King , Vincent Guittot , mark.brown@arm.com, guohanjun@huawei.com Subject: [PATCH ARM32 v4.4 V2 02/47] arm/arm64: KVM: Advertise SMCCC v1.1 Date: Thu, 1 Aug 2019 13:45:46 +0530 Message-Id: <9f53c355f58717a810f74b72ab6982d723fb621c.1564646727.git.viresh.kumar@linaro.org> X-Mailer: git-send-email 2.21.0.rc0.269.g1a574e7a288b In-Reply-To: References: MIME-Version: 1.0 Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Marc Zyngier commit 09e6be12effdb33bf7210c8867bbd213b66a499e upstream. The new SMC Calling Convention (v1.1) allows for a reduced overhead when calling into the firmware, and provides a new feature discovery mechanism. Make it visible to KVM guests. Tested-by: Ard Biesheuvel Reviewed-by: Christoffer Dall Signed-off-by: Marc Zyngier Signed-off-by: Catalin Marinas [ Viresh: Picked only arm-smccc.h changes ] Signed-off-by: Viresh Kumar --- include/linux/arm-smccc.h | 13 +++++++++++++ 1 file changed, 13 insertions(+) -- 2.21.0.rc0.269.g1a574e7a288b diff --git a/include/linux/arm-smccc.h b/include/linux/arm-smccc.h index 611d10580340..da9f3916f9a9 100644 --- a/include/linux/arm-smccc.h +++ b/include/linux/arm-smccc.h @@ -60,6 +60,19 @@ #define ARM_SMCCC_OWNER_TRUSTED_OS 50 #define ARM_SMCCC_OWNER_TRUSTED_OS_END 63 +#define ARM_SMCCC_VERSION_1_0 0x10000 +#define ARM_SMCCC_VERSION_1_1 0x10001 + +#define ARM_SMCCC_VERSION_FUNC_ID \ + ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL, \ + ARM_SMCCC_SMC_32, \ + 0, 0) + +#define ARM_SMCCC_ARCH_FEATURES_FUNC_ID \ + ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL, \ + ARM_SMCCC_SMC_32, \ + 0, 1) + #ifndef __ASSEMBLY__ /**