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Thu, 2 Jul 2020 12:36:34 +0000 (UTC) Received: from [10.36.112.70] (ovpn-112-70.ams2.redhat.com [10.36.112.70]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 39748741AF; Thu, 2 Jul 2020 12:36:33 +0000 (UTC) Subject: Re: [kvm-unit-tests PATCH v2 2/8] arm64: microbench: Use the funcions for ipi test as the general functions for gic(ipi/lpi/timer) test To: Jingyi Wang , drjones@redhat.com, kvm@vger.kernel.org, kvmarm@lists.cs.columbia.edu References: <20200702030132.20252-1-wangjingyi11@huawei.com> <20200702030132.20252-3-wangjingyi11@huawei.com> From: Auger Eric Message-ID: Date: Thu, 2 Jul 2020 14:36:31 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.5.0 MIME-Version: 1.0 In-Reply-To: <20200702030132.20252-3-wangjingyi11@huawei.com> Content-Language: en-US X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 Cc: maz@kernel.org X-BeenThere: kvmarm@lists.cs.columbia.edu X-Mailman-Version: 2.1.14 Precedence: list List-Id: Where KVM/ARM decisions are made List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: kvmarm-bounces@lists.cs.columbia.edu Sender: kvmarm-bounces@lists.cs.columbia.edu Hi, On 7/2/20 5:01 AM, Jingyi Wang wrote: > The following patches will use that. > > Signed-off-by: Jingyi Wang > --- > arm/micro-bench.c | 39 ++++++++++++++++++++++----------------- > 1 file changed, 22 insertions(+), 17 deletions(-) > With commit message suggested by Drew, Reviewed-by: Eric Auger Eric > diff --git a/arm/micro-bench.c b/arm/micro-bench.c > index 794dfac..fc4d356 100644 > --- a/arm/micro-bench.c > +++ b/arm/micro-bench.c > @@ -25,24 +25,24 @@ > > static u32 cntfrq; > > -static volatile bool ipi_ready, ipi_received; > +static volatile bool irq_ready, irq_received; > static void *vgic_dist_base; > static void (*write_eoir)(u32 irqstat); > > -static void ipi_irq_handler(struct pt_regs *regs) > +static void gic_irq_handler(struct pt_regs *regs) > { > - ipi_ready = false; > - ipi_received = true; > + irq_ready = false; > + irq_received = true; > gic_write_eoir(gic_read_iar()); > - ipi_ready = true; > + irq_ready = true; > } > > -static void ipi_secondary_entry(void *data) > +static void gic_secondary_entry(void *data) > { > - install_irq_handler(EL1H_IRQ, ipi_irq_handler); > + install_irq_handler(EL1H_IRQ, gic_irq_handler); > gic_enable_defaults(); > local_irq_enable(); > - ipi_ready = true; > + irq_ready = true; > while (true) > cpu_relax(); > } > @@ -72,9 +72,9 @@ static bool test_init(void) > break; > } > > - ipi_ready = false; > + irq_ready = false; > gic_enable_defaults(); > - on_cpu_async(1, ipi_secondary_entry, NULL); > + on_cpu_async(1, gic_secondary_entry, NULL); > > cntfrq = get_cntfrq(); > printf("Timer Frequency %d Hz (Output in microseconds)\n", cntfrq); > @@ -82,13 +82,18 @@ static bool test_init(void) > return true; > } > > -static void ipi_prep(void) > +static void gic_prep_common(void) > { > unsigned tries = 1 << 28; > > - while (!ipi_ready && tries--) > + while (!irq_ready && tries--) > cpu_relax(); > - assert(ipi_ready); > + assert(irq_ready); > +} > + > +static void ipi_prep(void) > +{ > + gic_prep_common(); > } > > static void ipi_exec(void) > @@ -96,17 +101,17 @@ static void ipi_exec(void) > unsigned tries = 1 << 28; > static int received = 0; > > - ipi_received = false; > + irq_received = false; > > gic_ipi_send_single(1, 1); > > - while (!ipi_received && tries--) > + while (!irq_received && tries--) > cpu_relax(); > > - if (ipi_received) > + if (irq_received) > ++received; > > - assert_msg(ipi_received, "failed to receive IPI in time, but received %d successfully\n", received); > + assert_msg(irq_received, "failed to receive IPI in time, but received %d successfully\n", received); > } > > static void hvc_exec(void) > _______________________________________________ kvmarm mailing list kvmarm@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/kvmarm