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Bae" , bp@alien8.de, x86@kernel.org, linux-kernel@vger.kernel.org, KVM list Subject: Re: ping Re: [PATCH v4 0/2] x86: Fix ARCH_REQ_XCOMP_PERM and update the test In-Reply-To: <01c86f82-0c61-94c1-602c-f62d176c9ad7@gnu.org> References: <20220129173647.27981-1-chang.seok.bae@intel.com> <87a6dgam7b.ffs@tglx> <877d8kakwg.ffs@tglx> <01c86f82-0c61-94c1-602c-f62d176c9ad7@gnu.org> Date: Wed, 23 Mar 2022 18:07:27 +0100 Message-ID: <87zglg8unk.ffs@tglx> MIME-Version: 1.0 Content-Type: text/plain X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED,SPF_HELO_NONE, SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Mar 23 2022 at 15:24, Paolo Bonzini wrote: > On 3/23/22 13:55, Thomas Gleixner wrote: >> --- a/arch/x86/kernel/fpu/xstate.c >> +++ b/arch/x86/kernel/fpu/xstate.c >> @@ -1625,6 +1625,8 @@ static int __xstate_request_perm(u64 per >> >> /* Calculate the resulting kernel state size */ >> mask = permitted | requested; >> + /* Take supervisor states into account */ >> + mask |= xfeatures_mask_supervisor(); >> ksize = xstate_calculate_size(mask, compacted); >> > > This should be only added in for the !guest case. Yes, I figured that out already :)