From mboxrd@z Thu Jan 1 00:00:00 1970 From: Brijesh Singh Subject: [RFC PATCH v1 14/28] x86: Don't set the SME MSR bit when SEV is active Date: Mon, 22 Aug 2016 19:26:28 -0400 Message-ID: <147190838870.9523.7536164067495140361.stgit@brijesh-build-machine> References: <147190820782.9523.4967724730957229273.stgit@brijesh-build-machine> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit To: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , In-Reply-To: <147190820782.9523.4967724730957229273.stgit@brijesh-build-machine> Sender: owner-linux-mm@kvack.org List-Id: kvm.vger.kernel.org From: Tom Lendacky When SEV is active the virtual machine cannot set the MSR for SME, so don't set the trampoline flag for SME. Signed-off-by: Tom Lendacky --- arch/x86/realmode/init.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/realmode/init.c b/arch/x86/realmode/init.c index f3207e5..391d8ba 100644 --- a/arch/x86/realmode/init.c +++ b/arch/x86/realmode/init.c @@ -102,7 +102,7 @@ static void __init setup_real_mode(void) *trampoline_cr4_features = mmu_cr4_features; trampoline_header->flags = 0; - if (sme_me_mask) + if (sme_me_mask && !sev_active) trampoline_header->flags |= TH_FLAGS_SME_ENABLE; trampoline_pgd = (u64 *) __va(real_mode_header->trampoline_pgd); -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org