From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pj1-f73.google.com (mail-pj1-f73.google.com [209.85.216.73]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1C89013A3F7 for ; Wed, 12 Feb 2025 01:59:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.216.73 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739325557; cv=none; b=Y1GXkqL8XCuI/EHe4hgfTeXeZFXoj+jyfoWBG00pnLxcJrEezSGgv3ynGsPXCG0ucImf5R9/Smk1zl2QqSGxMnlxKkl0QduHWhP38/yNvHpaXepVbEUwUXmYyv1CgIesKqMykM4+KixpFgKe8q1ZE70wXbwVZwSxWNYhoCusWUE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739325557; c=relaxed/simple; bh=8plav0HWTt+1h9QiCkNdNPq1o+Y+AMAFq2hfN8tZSs8=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=HMY8thVDYeA/DpHo1tdMDBYMpHWqEwqf0R+i9Pd+gzCBfvHeVyvnJSEgf3WemEIUz4GG1n6GdYEhE0G3hyBVc1uuBApH7qPxpKLslgGqrFkmcQsgPfKxI4D19LdoCR85wiKwMlgmByy1h1UTCc+6gdEuz/UYvXB9ZUrLJCk6tFs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--seanjc.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=vlExsrIx; arc=none smtp.client-ip=209.85.216.73 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--seanjc.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="vlExsrIx" Received: by mail-pj1-f73.google.com with SMTP id 98e67ed59e1d1-2f81a0d0a18so13252077a91.3 for ; Tue, 11 Feb 2025 17:59:15 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1739325555; x=1739930355; darn=vger.kernel.org; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=5TmAA7lrYyzPK7RPMr80QZDXqtaYCD1a8crOBimpM0Y=; b=vlExsrIxEZEHfUvcBMDMBuSIUS84rCdt5tgck0XWeP5fT1rJXN6W4aIFWgxaUc0HVV 3U1c01nUZLMbTp6vhOuN1JirigMQxO/8MO68xZFck6rB3k4GGiMJBSWjZrfB65l3Cn/J BkhT0QLKFHLN3/BLjvWvEF3yjs+zVlcMLAPLDD6D4o+6ZroiXI+uofTjewvFZuniZGdd wN5W9mNzjvatxLtLDIwYONoDiViIqq/PC7m6YYkc5BD2ND/R8ewTABLzvK1x3V52RGTt yiyRpaM8Hv3EFtizbHz0ol0SssVJzdHASqBarhGcfnuqbyJZIFdh3aQb5VfiRuIiUYa1 ydqg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1739325555; x=1739930355; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=5TmAA7lrYyzPK7RPMr80QZDXqtaYCD1a8crOBimpM0Y=; b=OkOIai5Lbc7UJntG7SVHbAAPy+Jt8yqkeRTntmgegPqW6Yxrn+4LE4coWkzHYkio4i YXqQN16BNqOUNZfVuBjStmIyl6TMGNlvuHT4DGU2XIFPxcXK8SD7S9euBWOzoEGFH/IB Jqg84+xHamIUCxuJTYzhlo38e5OwroH/l8e36Kl/WN7+tVO+QddKPQLmO4mE+dtzfZgE Dgncla/+J/a2TitBLEMLSsbihFSl5iQDdgSBIAPzMLKmlceSHWE4vNYsKSfl9+XwxN+J 1lpThNme+1myBThwoe9b704Nacm5ICdX9Ifo3llg/DMBwxGPHuKv47+AM3NsO8rYBLt6 FKKw== X-Gm-Message-State: AOJu0YwojnvZiEnYHQELU24hWj7p2e5+3mvvxm6fwEBaPK3TKWFuYQKt 0IfTUDh510vpV0M2+yS/vP1v5tAzQ1uZwn7sOw9u7AtyhzNJXieu+OudCy2JSBjJcK9ZyEkjKtO 8Rg== X-Google-Smtp-Source: AGHT+IGNXFHUFBAGO7+23DHP+xbhUNfnPfHgeiFc0IIY5LE7qIIGAVhpnh4dGAbimBx/4hI7qfnSlyKuElk= X-Received: from pjbpq16.prod.google.com ([2002:a17:90b:3d90:b0:2e9:38ea:ca0f]) (user=seanjc job=prod-delivery.src-stubby-dispatcher) by 2002:a17:90b:53cf:b0:2ee:ab29:1a57 with SMTP id 98e67ed59e1d1-2fbf5bb8fb4mr2372898a91.2.1739325555495; Tue, 11 Feb 2025 17:59:15 -0800 (PST) Date: Tue, 11 Feb 2025 17:59:14 -0800 In-Reply-To: <20250203223205.36121-5-prsampat@amd.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250203223205.36121-1-prsampat@amd.com> <20250203223205.36121-5-prsampat@amd.com> Message-ID: Subject: Re: [PATCH v6 4/9] KVM: selftests: Add VMGEXIT helper From: Sean Christopherson To: "Pratik R. Sampat" Cc: linux-kernel@vger.kernel.org, x86@kernel.org, kvm@vger.kernel.org, linux-crypto@vger.kernel.org, linux-kselftest@vger.kernel.org, pbonzini@redhat.com, thomas.lendacky@amd.com, tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, dave.hansen@linux.intel.com, shuah@kernel.org, pgonda@google.com, ashish.kalra@amd.com, nikunj@amd.com, pankaj.gupta@amd.com, michael.roth@amd.com, sraithal@amd.com Content-Type: text/plain; charset="us-ascii" On Mon, Feb 03, 2025, Pratik R. Sampat wrote: > Abstract rep vmmcall coded into the VMGEXIT helper for the sev > library. > > No functional change intended. > > Reviewed-by: Pankaj Gupta > Tested-by: Srikanth Aithal > Signed-off-by: Pratik R. Sampat > --- > v5..v6: > > * Collected tags from Pankaj and Srikanth. > --- > tools/testing/selftests/kvm/include/x86/sev.h | 2 ++ > tools/testing/selftests/kvm/x86/sev_smoke_test.c | 2 +- > 2 files changed, 3 insertions(+), 1 deletion(-) > > diff --git a/tools/testing/selftests/kvm/include/x86/sev.h b/tools/testing/selftests/kvm/include/x86/sev.h > index 82c11c81a956..e7df5d0987f6 100644 > --- a/tools/testing/selftests/kvm/include/x86/sev.h > +++ b/tools/testing/selftests/kvm/include/x86/sev.h > @@ -27,6 +27,8 @@ enum sev_guest_state { > > #define GHCB_MSR_TERM_REQ 0x100 > > +#define VMGEXIT() { __asm__ __volatile__("rep; vmmcall"); } Please make this a proper inline function, there's no reason to use a macro.