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charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-Network-Message-Id: 397b7651-827d-4a31-d6d3-08d622529cf9 X-MS-Exchange-CrossTenant-originalarrivaltime: 24 Sep 2018 19:19:14.0398 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM5PR12MB2455 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Sherry Hurwitz The feature bit X86_FEATURE_MBA is detected via CPUID leaf 0x80000008 EBX Bit 06. This bit indicates the support of AMD's MBA feature. Signed-off-by: Babu Moger Signed-off-by: Sherry Hurwitz --- arch/x86/kernel/cpu/scattered.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/kernel/cpu/scattered.c b/arch/x86/kernel/cpu/scattere= d.c index 772c219b6889..602f3725f6c4 100644 --- a/arch/x86/kernel/cpu/scattered.c +++ b/arch/x86/kernel/cpu/scattered.c @@ -29,6 +29,7 @@ static const struct cpuid_bit cpuid_bits[] =3D { { X86_FEATURE_HW_PSTATE, CPUID_EDX, 7, 0x80000007, 0 }, { X86_FEATURE_CPB, CPUID_EDX, 9, 0x80000007, 0 }, { X86_FEATURE_PROC_FEEDBACK, CPUID_EDX, 11, 0x80000007, 0 }, + { X86_FEATURE_MBA, CPUID_EBX, 6, 0x80000008, 0 }, { X86_FEATURE_SME, CPUID_EAX, 0, 0x8000001f, 0 }, { X86_FEATURE_SEV, CPUID_EAX, 1, 0x8000001f, 0 }, { 0, 0, 0, 0, 0 } --=20 2.17.1