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[93.51.222.138]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-61cfc214bacsm12257696a12.16.2025.09.03.05.48.01 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 03 Sep 2025 05:48:01 -0700 (PDT) Message-ID: Date: Wed, 3 Sep 2025 14:47:59 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 18/24] target/arm/hvf: Keep calling hv_vcpu_run() in loop To: =?UTF-8?Q?Philippe_Mathieu-Daud=C3=A9?= , qemu-devel@nongnu.org Cc: Alexander Graf , qemu-arm@nongnu.org, Mohamed Mediouni , Peter Maydell , Mads Ynddal , Phil Dennis-Jordan , Stefan Hajnoczi , Cameron Esfahani , Roman Bolshakov , Paolo Bonzini References: <20250903100702.16726-1-philmd@linaro.org> <20250903100702.16726-19-philmd@linaro.org> From: Richard Henderson Content-Language: en-US In-Reply-To: <20250903100702.16726-19-philmd@linaro.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2a00:1450:4864:20::534; envelope-from=richard.henderson@linaro.org; helo=mail-ed1-x534.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=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-arm@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-arm-bounces+qemu-arm=archiver.kernel.org@nongnu.org Sender: qemu-arm-bounces+qemu-arm=archiver.kernel.org@nongnu.org On 9/3/25 12:06, Philippe Mathieu-Daudé wrote: > Signed-off-by: Philippe Mathieu-Daudé > --- > target/arm/hvf/hvf.c | 40 +++++++++++++++++++++------------------- > 1 file changed, 21 insertions(+), 19 deletions(-) Reviewed-by: Richard Henderson r~ > > diff --git a/target/arm/hvf/hvf.c b/target/arm/hvf/hvf.c > index 0cfe3066c23..b60efdc1769 100644 > --- a/target/arm/hvf/hvf.c > +++ b/target/arm/hvf/hvf.c > @@ -2141,30 +2141,32 @@ int hvf_arch_vcpu_exec(CPUState *cpu) > int ret; > hv_return_t r; > > - if (!(cpu->singlestep_enabled & SSTEP_NOIRQ) && > - hvf_inject_interrupts(cpu)) { > - return EXCP_INTERRUPT; > - } > - > if (cpu->halted) { > return EXCP_HLT; > } > > - flush_cpu_state(cpu); > + do { > + if (!(cpu->singlestep_enabled & SSTEP_NOIRQ) && > + hvf_inject_interrupts(cpu)) { > + return EXCP_INTERRUPT; > + } > > - bql_unlock(); > - r = hv_vcpu_run(cpu->accel->fd); > - bql_lock(); > - switch (r) { > - case HV_SUCCESS: > - ret = hvf_handle_vmexit(cpu, cpu->accel->exit); > - break; > - case HV_ILLEGAL_GUEST_STATE: > - trace_hvf_illegal_guest_state(); > - /* fall through */ > - default: > - g_assert_not_reached(); > - } > + flush_cpu_state(cpu); > + > + bql_unlock(); > + r = hv_vcpu_run(cpu->accel->fd); > + bql_lock(); > + switch (r) { > + case HV_SUCCESS: > + ret = hvf_handle_vmexit(cpu, cpu->accel->exit); > + break; > + case HV_ILLEGAL_GUEST_STATE: > + trace_hvf_illegal_guest_state(); > + /* fall through */ > + default: > + g_assert_not_reached(); > + } > + } while (ret == 0); > > return ret; > } r~