From: Paolo Bonzini <pbonzini@redhat.com>
To: Eduardo Habkost <ehabkost@redhat.com>, qemu-devel@nongnu.org
Cc: Laurent Vivier <lvivier@redhat.com>,
1896263@bugs.launchpad.net, Thomas Huth <thuth@redhat.com>,
"Michael S. Tsirkin" <mst@redhat.com>,
"Dr. David Alan Gilbert" <dgilbert@redhat.com>,
Stefan Hajnoczi <stefanha@redhat.com>,
Igor Mammedov <imammedo@redhat.com>,
Vitaly Kuznetsov <vkuznets@redhat.com>
Subject: Re: [PATCH] bios-tables-test: Remove kernel-irqchip=off option
Date: Wed, 23 Sep 2020 04:46:21 +0200 [thread overview]
Message-ID: <4fd276da-3397-c315-b8b3-6166c92ae01c@redhat.com> (raw)
In-Reply-To: <20200922194732.2100510-1-ehabkost@redhat.com>
On 22/09/20 21:47, Eduardo Habkost wrote:
> We don't need to use kernel-irqchip=off for irq0 override if IRQ
> routing is supported by the host, which is the case since 2009
> (IRQ routing was added to KVM in Linux v2.6.30).
>
> This is a more straightforward fix for Launchpad bug #1896263, as
> it doesn't require increasing the complexity of the MSR code.
> kernel-irqchip=off is for debugging only and there's no need to
> increase the complexity of the code just to work around an issue
> that was already fixed in the kernel.
>
> Fixes: https://bugs.launchpad.net/bugs/1896263
> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
> ---
> tests/qtest/bios-tables-test.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/tests/qtest/bios-tables-test.c b/tests/qtest/bios-tables-test.c
> index a9c8d478aee..27e8f0a1cb7 100644
> --- a/tests/qtest/bios-tables-test.c
> +++ b/tests/qtest/bios-tables-test.c
> @@ -663,8 +663,7 @@ static void test_acpi_one(const char *params, test_data *data)
> data->uefi_fl1, data->uefi_fl2, data->cd, params ? params : "");
>
> } else {
> - /* Disable kernel irqchip to be able to override apic irq0. */
> - args = g_strdup_printf("-machine %s,kernel-irqchip=off %s -accel tcg "
> + args = g_strdup_printf("-machine %s %s -accel tcg "
> "-net none -display none %s "
> "-drive id=hd0,if=none,file=%s,format=raw "
> "-device %s,drive=hd0 ",
>
Queued, thanks.
Paolo
next prev parent reply other threads:[~2020-09-23 2:48 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-18 17:08 [Bug 1896263] [NEW] The bios-tables-test test causes QEMU to crash (Assertion `ret == cpu->kvm_msr_buf->nmsrs' failed) on AMD processors Apteryx
2020-09-21 11:31 ` Stefan Hajnoczi
2020-09-21 11:31 ` Stefan Hajnoczi
2020-09-21 13:50 ` [Bug 1896263] " Laurent Vivier
2020-09-22 9:05 ` Laurent Vivier
2020-09-22 14:07 ` Laurent Vivier
2020-09-22 15:14 ` [PATCH] i386: Don't try to set MSR_KVM_ASYNC_PF_EN if kernel-irqchip=off Eduardo Habkost
2020-09-22 15:14 ` [Bug 1896263] " Eduardo Habkost
2020-09-22 15:38 ` Vitaly Kuznetsov
2020-09-22 15:38 ` [Bug 1896263] " Vitaly Kuznetsov
2020-09-22 16:10 ` Eduardo Habkost
2020-09-22 16:10 ` [Bug 1896263] " Eduardo Habkost
2020-09-22 16:42 ` Vitaly Kuznetsov
2020-09-22 16:42 ` Vitaly Kuznetsov
2020-09-22 17:22 ` Eduardo Habkost
2020-09-22 17:22 ` [Bug 1896263] " Eduardo Habkost
2020-09-22 17:26 ` Paolo Bonzini
2020-09-22 19:39 ` Eduardo Habkost
2020-09-22 19:39 ` [Bug 1896263] " Eduardo Habkost
2020-09-22 19:49 ` Paolo Bonzini
2020-09-22 19:47 ` [PATCH] bios-tables-test: Remove kernel-irqchip=off option Eduardo Habkost
2020-09-22 19:47 ` [Bug 1896263] " Eduardo Habkost
2020-09-23 2:46 ` Paolo Bonzini [this message]
2020-11-08 9:51 ` [Bug 1896263] Re: The bios-tables-test test causes QEMU to crash (Assertion `ret == cpu->kvm_msr_buf->nmsrs' failed) on AMD processors Thomas Huth
2020-12-10 8:43 ` Thomas Huth
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