Message ID | 20210726035036.739609-23-npiggin@gmail.com (mailing list archive) |
---|---|
State | Superseded |
Headers | show
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[220.244.190.123]) by smtp.gmail.com with ESMTPSA id p33sm41140341pfw.40.2021.07.25.20.51.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 25 Jul 2021 20:51:37 -0700 (PDT) From: Nicholas Piggin <npiggin@gmail.com> To: kvm-ppc@vger.kernel.org Subject: [PATCH v1 22/55] KVM: PPC: Book3S HV P9: Move SPRG restore to restore_p9_host_os_sprs Date: Mon, 26 Jul 2021 13:50:03 +1000 Message-Id: <20210726035036.739609-23-npiggin@gmail.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20210726035036.739609-1-npiggin@gmail.com> References: <20210726035036.739609-1-npiggin@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List <linuxppc-dev.lists.ozlabs.org> List-Unsubscribe: <https://lists.ozlabs.org/options/linuxppc-dev>, <mailto:linuxppc-dev-request@lists.ozlabs.org?subject=unsubscribe> List-Archive: <http://lists.ozlabs.org/pipermail/linuxppc-dev/> List-Post: <mailto:linuxppc-dev@lists.ozlabs.org> List-Help: <mailto:linuxppc-dev-request@lists.ozlabs.org?subject=help> List-Subscribe: <https://lists.ozlabs.org/listinfo/linuxppc-dev>, <mailto:linuxppc-dev-request@lists.ozlabs.org?subject=subscribe> Cc: linuxppc-dev@lists.ozlabs.org, Nicholas Piggin <npiggin@gmail.com> Errors-To: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" <linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org> |
Series |
KVM: PPC: Book3S HV P9: entry/exit optimisations
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Related | show |
diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c index f212d5013622..2e966d62a583 100644 --- a/arch/powerpc/kvm/book3s_hv.c +++ b/arch/powerpc/kvm/book3s_hv.c @@ -4057,6 +4057,8 @@ static void save_p9_host_os_sprs(struct p9_host_os_sprs *host_os_sprs) static void restore_p9_host_os_sprs(struct kvm_vcpu *vcpu, struct p9_host_os_sprs *host_os_sprs) { + mtspr(SPRN_SPRG_VDSO_WRITE, local_paca->sprg_vdso); + mtspr(SPRN_PSPB, 0); mtspr(SPRN_UAMOR, 0); @@ -4256,8 +4258,6 @@ static int kvmhv_p9_guest_entry(struct kvm_vcpu *vcpu, u64 time_limit, timer_rearm_host_dec(tb); - mtspr(SPRN_SPRG_VDSO_WRITE, local_paca->sprg_vdso); - kvmppc_subcore_exit_guest(); return trap;
Move the SPR update into its relevant helper function. This will help with SPR scheduling improvements in later changes. Signed-off-by: Nicholas Piggin <npiggin@gmail.com> --- arch/powerpc/kvm/book3s_hv.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)