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Tue, 25 Feb 2025 10:46:30 -0800 (PST) Received: from draig.lan ([185.126.160.109]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-390cd8fc1f9sm3107205f8f.88.2025.02.25.10.46.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 25 Feb 2025 10:46:29 -0800 (PST) Received: from draig.lan (localhost [IPv6:::1]) by draig.lan (Postfix) with ESMTP id 990E85F9D3; Tue, 25 Feb 2025 18:46:28 +0000 (GMT) From: =?utf-8?q?Alex_Benn=C3=A9e?= To: qemu-devel@nongnu.org Cc: Daniel Henrique Barboza , Igor Mammedov , Richard Henderson , Helge Deller , Paolo Bonzini , Nicholas Piggin , qemu-ppc@nongnu.org, Zhao Liu , =?utf-8?q?Alex_Benn=C3=A9e?= Subject: [PATCH 2/4] target/hppa: defer hppa_ptlbe until CPU starts running Date: Tue, 25 Feb 2025 18:46:26 +0000 Message-Id: <20250225184628.3590671-3-alex.bennee@linaro.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250225184628.3590671-1-alex.bennee@linaro.org> References: <20250225184628.3590671-1-alex.bennee@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::42a; envelope-from=alex.bennee@linaro.org; helo=mail-wr1-x42a.google.com X-Spam_score_int: 12 X-Spam_score: 1.2 X-Spam_bar: + X-Spam_report: (1.2 / 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, RCVD_IN_SBL_CSS=3.335, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no 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+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org Since 30933c4fb4 (tcg/cputlb: remove other-cpu capability from TLB flushing) we don't expect non-CPU callers to the tlb_flush() code. Normally I would drop the call anyway as the common cpu_reset() code will call tlb_flush anyway. However as the flush function does more than that, and is called from helpers instead defer it with an async_run_on_cpu. Signed-off-by: Alex Bennée --- target/hppa/cpu.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/target/hppa/cpu.c b/target/hppa/cpu.c index 5655677431..b631af381c 100644 --- a/target/hppa/cpu.c +++ b/target/hppa/cpu.c @@ -168,6 +168,14 @@ void hppa_cpu_do_unaligned_access(CPUState *cs, vaddr addr, cpu_loop_exit(cs); } + +static void hppa_clear_ptlbe(CPUState *cpu, run_on_cpu_data opaque) +{ + CPUHPPAState *env = (CPUHPPAState *) opaque.host_ptr; + hppa_ptlbe(env); +} + + #endif /* CONFIG_USER_ONLY */ static void hppa_cpu_realizefn(DeviceState *dev, Error **errp) @@ -191,7 +199,7 @@ static void hppa_cpu_realizefn(DeviceState *dev, Error **errp) cpu->alarm_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, hppa_cpu_alarm_timer, cpu); - hppa_ptlbe(&cpu->env); + async_run_on_cpu(cs, hppa_clear_ptlbe, RUN_ON_CPU_HOST_PTR(&cpu->env)); } #endif