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[97.113.165.157]) by smtp.gmail.com with ESMTPSA id 34sm10959480qtp.17.2017.06.13.22.23.26 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 13 Jun 2017 22:23:27 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Date: Tue, 13 Jun 2017 22:23:10 -0700 Message-Id: <20170614052311.13785-10-rth@twiddle.net> X-Mailer: git-send-email 2.9.4 In-Reply-To: <20170614052311.13785-1-rth@twiddle.net> References: <20170614052311.13785-1-rth@twiddle.net> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:400d:c0d::242 Subject: [Qemu-devel] [PULL 09/10] Revert "target/aarch64: optimize indirect branches" X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: peter.maydell@linaro.org Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP This reverts commit e75449a346bf558296966a44277bfd93412c6da6. This patch appears to induce lockups, or maybe livelocks, while booting a Linux kernel. The assumption is that there is a bug elsewhere within QEMU, but reverting the patch allows normal work to continue in the meantime. Signed-off-by: Richard Henderson --- target/arm/translate-a64.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c index 860e279..ab61d96 100644 --- a/target/arm/translate-a64.c +++ b/target/arm/translate-a64.c @@ -11367,7 +11367,8 @@ void gen_intermediate_code_a64(ARMCPU *cpu, TranslationBlock *tb) gen_a64_set_pc_im(dc->pc); /* fall through */ case DISAS_JUMP: - tcg_gen_lookup_and_goto_ptr(cpu_pc); + /* indicate that the hash table must be used to find the next TB */ + tcg_gen_exit_tb(0); break; case DISAS_TB_JUMP: case DISAS_EXC: