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[174.21.81.121]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-71df0d65278sm7881094b3a.160.2024.10.09.08.08.58 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 09 Oct 2024 08:08:58 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH 02/23] accel/tcg: Split out tlbfast_flush_locked Date: Wed, 9 Oct 2024 08:08:34 -0700 Message-ID: <20241009150855.804605-3-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241009150855.804605-1-richard.henderson@linaro.org> References: <20241009150855.804605-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::434; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x434.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org We will have a need to flush only the "fast" portion of the tlb, allowing re-fill from the "full" portion. Signed-off-by: Richard Henderson Reviewed-by: Philippe Mathieu-Daudé Reviewed-by: Pierrick Bouvier --- accel/tcg/cputlb.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/accel/tcg/cputlb.c b/accel/tcg/cputlb.c index b76a4eac4e..c1838412e8 100644 --- a/accel/tcg/cputlb.c +++ b/accel/tcg/cputlb.c @@ -284,13 +284,18 @@ static void tlb_mmu_resize_locked(CPUTLBDesc *desc, CPUTLBDescFast *fast, } } -static void tlb_mmu_flush_locked(CPUTLBDesc *desc, CPUTLBDescFast *fast) +static void tlbfast_flush_locked(CPUTLBDesc *desc, CPUTLBDescFast *fast) { desc->n_used_entries = 0; + memset(fast->table, -1, sizeof_tlb(fast)); +} + +static void tlb_mmu_flush_locked(CPUTLBDesc *desc, CPUTLBDescFast *fast) +{ + tlbfast_flush_locked(desc, fast); desc->large_page_addr = -1; desc->large_page_mask = -1; desc->vindex = 0; - memset(fast->table, -1, sizeof_tlb(fast)); memset(desc->vtable, -1, sizeof(desc->vtable)); }