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[35.185.214.157]) by smtp.gmail.com with ESMTPSA id a19-20020a17090ad81300b001bc447c2c91sm8558375pjv.31.2022.03.03.08.59.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 03 Mar 2022 08:59:39 -0800 (PST) Date: Thu, 3 Mar 2022 16:59:35 +0000 From: Sean Christopherson To: Peter Gonda Cc: kvm list , Paolo Bonzini , LKML Subject: Re: [PATCH] KVM: SVM: Fix missing kvm_cache_regs.h include in svm.h Message-ID: References: <20220303160442.1815411-1-pgonda@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Spam-Status: No, score=-18.1 required=5.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, ENV_AND_HDR_SPF_MATCH,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS, T_SCC_BODY_TEXT_LINE,USER_IN_DEF_DKIM_WL,USER_IN_DEF_SPF_WL autolearn=unavailable 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 Thu, Mar 03, 2022, Peter Gonda wrote: > On Thu, Mar 3, 2022 at 9:26 AM Sean Christopherson wrote: > > Ha, we've already got a lovely workaround for exactly this problem. This patch > > should drop the include from svm_onhyperv.c, there's nothing in that file that > > needs kvm_cache_regs.h (I verified by deleting use of is_guest_mode()), it's > > included purely because of this bug in svm.h. > > Ah good catch. I assume I should add kvm_cache_regs.h to > arch/x86/kvm/svm/nested.c too since it uses is_guest_mode(). Nah, picking it up from svm.h (and several other headers) is ok. If we required every compilation unit to _directly_ include every header, we'd probably double the size of the kernel source :-)