From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D9EDE426439; Fri, 31 Jul 2026 12:37:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785501460; cv=none; b=iJfzuevAXyyeV41KfmuZ1JY/SS/0FmKvsqIjTYOX5yY6o0jKVWlfBZp7eTfM8P3TpbQ99D7pv60r2+zgvx5DAahsOe6KdG3xYyH3WW9/6mzJNM8dg8Ek3q3tiuDBw0MC/Kh2vrqKrjJAVa/QVRK2ZBzwExsCkjTmDs7ncu9+ywA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785501460; c=relaxed/simple; bh=cmvAQBxB4SuCRvDZjmRe7yIsmwDDWXuwPP1P7cDHpHg=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=mxTvD1jOOBYNV9hFct0LjkqHoXIWuvar8dtZMg1mTm2oVhhQ1/kmtod9LiRkl/LvfHlIgcTBx0HjRjoLIsLoLXWy60Fv3vuBvklvpl+x94MmqjWVxjtB3/qC15KvoqKosxQ3nba9+9EsFqdtKi20hMXnY0xwdxsmKN9sVs7t1Ro= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=egRCpJ+H; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="egRCpJ+H" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 772C71F00A3A; Fri, 31 Jul 2026 12:37:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1785501457; bh=YWlLd/PWbYINVwpXcYMDnYu5TnVLNXcprwUMzPtexF8=; h=From:Date:Subject:References:In-Reply-To:To:Cc; b=egRCpJ+H6L+w3dfFkKpNxYqBDFcAfJamNTxxvLvPTRHAwFJhD0+M4T+jLanaPb/nR 8Y5XiOe+qRVfIzEfyEh7SSoc3HWPyVbs4ZdfcT77E6STAMlIWQotJIbfb/DnCb/sjc ybBn1SxXXceQOaH7zwKnf7VD7K6itJbzENMDW8Lp+eGb1uW7msVkqXsUqBrR45Cf7d P6YW4iDZK6HnMqcSfbcnqJ1YyqPBE/DOGPwnR9HmBIsSu3mXzkHmsu/GGFDdYRZJrO 4RoAN/GxacZnShtYPam+C6GAJOIvJ0s91srYxH40hX36YlcyjDpTRtpp1WynQ8rU1m 47gPHf7Hb8Z2g== From: Mark Brown Date: Fri, 31 Jul 2026 13:25:40 +0100 Subject: [PATCH v17 02/14] KVM: arm64: Fix FGT mapping for HFGITR_EL2.nGCSEPP Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260731-arm64-gcs-v17-2-5e39ca01b14e@kernel.org> References: <20260731-arm64-gcs-v17-0-5e39ca01b14e@kernel.org> In-Reply-To: <20260731-arm64-gcs-v17-0-5e39ca01b14e@kernel.org> To: Catalin Marinas , Will Deacon , Marc Zyngier , Joey Gouly , Suzuki K Poulose , Shuah Khan , Fuad Tabba , Oliver Upton Cc: Peter Maydell , linux-arm-kernel@lists.infradead.org, linux-doc@vger.kernel.org, kvmarm@lists.linux.dev, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, Mark Brown X-Mailer: b4 0.16-dev X-Developer-Signature: v=1; a=openpgp-sha256; l=1184; i=broonie@kernel.org; h=from:subject:message-id; bh=cmvAQBxB4SuCRvDZjmRe7yIsmwDDWXuwPP1P7cDHpHg=; b=owEBbQGS/pANAwAKASTWi3JdVIfQAcsmYgBqbJb9ryZUssM2383dLfuqVg1a8N+tHrx4BX//v ut2+kHJBKmJATMEAAEKAB0WIQSt5miqZ1cYtZ/in+ok1otyXVSH0AUCamyW/QAKCRAk1otyXVSH 0DYtB/99NhOxMegqJU3W95X2zE4hKONTVBnxagZmtOjar4WNxeGTnynGNqBFkuofmHROtVyR5qf RAVtiM/OlvilZ05gDNa7FYxJhYS2QEItKQsJgVeePGFNnxwGsW+ECl4pxhIaDWIWX7RO/1uZtyq g3m8ftYPH8/Sx8H5b5rGxxQzZl83CUdL4KoBCcgcsmwXMXxYFbMwqLtfIBgzfFN9BEdQZFxdWUY 970pEYgMRmcfV2MC2lzC8SJihKVDVRwAVOMVKFeus7PajV/x5MLoIR4sEgcIrEhWC31rQijnM4y 2LbswYOhx37fuy9jIVWFVH7UJwvNEOcZoJ2Yp6Jly73SDTes X-Developer-Key: i=broonie@kernel.org; a=openpgp; fpr=3F2568AAC26998F9E813A1C5C3F436CA30F5D8EB The encoding to trap mapping currently maps a FGT on OP_GCSPOPX to HFGITR_EL2.nGCSEPP but as per DDI0601 2026-06 this FGT controls trapping of GCSPUSHX and GCSPOPCX, and not the separate GCSPOPX instruction. Update the mapping to reflect the architecture. Fixes: 863ac38984a82 ("KVM: arm64: Add missing HFGITR_EL2 FGT entries to nested virt") Signed-off-by: Mark Brown --- arch/arm64/kvm/emulate-nested.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/kvm/emulate-nested.c b/arch/arm64/kvm/emulate-nested.c index 3c82f392845d..b32742d9dd73 100644 --- a/arch/arm64/kvm/emulate-nested.c +++ b/arch/arm64/kvm/emulate-nested.c @@ -1432,7 +1432,7 @@ static const struct encoding_to_trap_config encoding_to_fgt[] __initconst = { SR_FGT(OP_AT_S1E1A, HFGITR, ATS1E1A, 1), SR_FGT(OP_COSP_RCTX, HFGITR, COSPRCTX, 1), SR_FGT(OP_GCSPUSHX, HFGITR, nGCSEPP, 0), - SR_FGT(OP_GCSPOPX, HFGITR, nGCSEPP, 0), + SR_FGT(OP_GCSPOPCX, HFGITR, nGCSEPP, 0), SR_FGT(OP_GCSPUSHM, HFGITR, nGCSPUSHM_EL1, 0), SR_FGT(OP_BRB_IALL, HFGITR, nBRBIALL, 0), SR_FGT(OP_BRB_INJ, HFGITR, nBRBINJ, 0), -- 2.47.3