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[173.197.107.21]) by smtp.gmail.com with ESMTPSA id u12sm2010pfh.98.2021.01.05.09.19.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 05 Jan 2021 09:19:59 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v5 01/43] tcg: Do not flush icache for interpreter Date: Tue, 5 Jan 2021 07:19:08 -1000 Message-Id: <20210105171950.415486-2-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210105171950.415486-1-richard.henderson@linaro.org> References: <20210105171950.415486-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::533; envelope-from=richard.henderson@linaro.org; helo=mail-pg1-x533.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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Joelle van Dyne Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" This is currently a no-op within tci/tcg-target.h, but is about to be moved to a more generic location. Reviewed-by: Joelle van Dyne Signed-off-by: Richard Henderson --- tcg/tcg.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/tcg/tcg.c b/tcg/tcg.c index 829d4296e0..df2857dc88 100644 --- a/tcg/tcg.c +++ b/tcg/tcg.c @@ -1077,7 +1077,9 @@ void tcg_prologue_init(TCGContext *s) #endif buf1 = s->code_ptr; +#ifndef CONFIG_TCG_INTERPRETER flush_icache_range((uintptr_t)buf0, (uintptr_t)buf1); +#endif /* Deduct the prologue from the buffer. */ prologue_size = tcg_current_code_size(s); @@ -4323,8 +4325,10 @@ int tcg_gen_code(TCGContext *s, TranslationBlock *tb) return -2; } +#ifndef CONFIG_TCG_INTERPRETER /* flush instruction cache */ flush_icache_range((uintptr_t)s->code_buf, (uintptr_t)s->code_ptr); +#endif return tcg_current_code_size(s); } -- 2.25.1