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[187.189.51.144]) by smtp.gmail.com with ESMTPSA id t24sm3940146oou.4.2020.12.14.06.03.16 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 14 Dec 2020 06:03:17 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v4 01/43] tcg: Do not flush icache for interpreter Date: Mon, 14 Dec 2020 08:02:32 -0600 Message-Id: <20201214140314.18544-2-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20201214140314.18544-1-richard.henderson@linaro.org> References: <20201214140314.18544-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::343; envelope-from=richard.henderson@linaro.org; helo=mail-ot1-x343.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: , Errors-To: qemu-devel-bounces+patch=linaro.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. Signed-off-by: Richard Henderson --- tcg/tcg.c | 4 ++++ 1 file changed, 4 insertions(+) -- 2.25.1 Reviewed-by: Joelle van Dyne diff --git a/tcg/tcg.c b/tcg/tcg.c index 43c6cf8f52..3b3f366acd 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); @@ -4319,8 +4321,10 @@ 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); }