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([2a01:e0a:fa3:e4b0:95dc:ab11:92db:6f9e]) by smtp.gmail.com with ESMTPSA id af79cd13be357-8b529993978sm1036295885a.5.2025.12.02.00.36.52 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 02 Dec 2025 00:36:53 -0800 (PST) Message-ID: Date: Tue, 2 Dec 2025 09:36:51 +0100 Precedence: bulk X-Mailing-List: kvmarm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird From: Eric Auger Subject: Re: [kvm-unit-tests PATCH v3 05/10] arm64: micro-bench: fix timer IRQ Reply-To: eric.auger@redhat.com To: Joey Gouly , kvm@vger.kernel.org Cc: alexandru.elisei@arm.com, andrew.jones@linux.dev, kvmarm@lists.linux.dev, Marc Zyngier , Oliver Upton References: <20250925141958.468311-1-joey.gouly@arm.com> <20250925141958.468311-6-joey.gouly@arm.com> In-Reply-To: <20250925141958.468311-6-joey.gouly@arm.com> X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: TtgWZIk_AC-JNkKVtPqh-JfJ917B0XxqSlhq4M1MWZ0_1764664614 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 9/25/25 4:19 PM, Joey Gouly wrote: > Enable the correct (hvtimer) IRQ when at EL2. > > Signed-off-by: Joey Gouly > Reviewed-by: Alexandru Elisei Reviewed-by: Eric Auger Eric > --- > arm/micro-bench.c | 8 ++++++-- > 1 file changed, 6 insertions(+), 2 deletions(-) > > diff --git a/arm/micro-bench.c b/arm/micro-bench.c > index 22408955..f47c5fc1 100644 > --- a/arm/micro-bench.c > +++ b/arm/micro-bench.c > @@ -42,7 +42,7 @@ static void gic_irq_handler(struct pt_regs *regs) > irq_received = true; > gic_write_eoir(irqstat); > > - if (irqstat == TIMER_VTIMER_IRQ) { > + if (irqstat == TIMER_VTIMER_IRQ || irqstat == TIMER_HVTIMER_IRQ) { > write_sysreg((ARCH_TIMER_CTL_IMASK | ARCH_TIMER_CTL_ENABLE), > cntv_ctl_el0); > isb(); > @@ -215,7 +215,11 @@ static bool timer_prep(void) > install_irq_handler(EL1H_IRQ, gic_irq_handler); > local_irq_enable(); > > - gic_enable_irq(TIMER_VTIMER_IRQ); > + if (current_level() == CurrentEL_EL1) > + gic_enable_irq(TIMER_VTIMER_IRQ); > + else > + gic_enable_irq(TIMER_HVTIMER_IRQ); > + > write_sysreg(ARCH_TIMER_CTL_IMASK | ARCH_TIMER_CTL_ENABLE, cntv_ctl_el0); > isb(); >