Gerry,
On Mon, Dec 28, 2015 at 04:24:32PM +0800, Jiang Liu wrote:
[...]
> Hi Jeremiah,
> Could you please help to confirm which commit caused the
> regression?
> 1) x86/irq: Do not reuse struct apic_chip_data.old_domain as temporary
> buffer
> 2) x86/irq: Fix a race condition between vector
On 2015/12/24 13:15, Jeremiah Mahler wrote:
> Jiang,
>
> On Wed, Dec 23, 2015 at 10:13:26PM +0800, Jiang Liu wrote:
>> Function __assign_irq_vector() makes use of apic_chip_data.old_domain
>> as a temporary buffer, which causes trouble to rollback logic in case of
>> failure. So use a dedicated te
On 12/23/2015 09:13 AM, Jiang Liu wrote:
Function __assign_irq_vector() makes use of apic_chip_data.old_domain
as a temporary buffer, which causes trouble to rollback logic in case of
failure. So use a dedicated temporary buffer for __assign_irq_vector().
Signed-off-by: Jiang Liu
Hi Jiang,
F
Jiang,
On Wed, Dec 23, 2015 at 10:13:26PM +0800, Jiang Liu wrote:
> Function __assign_irq_vector() makes use of apic_chip_data.old_domain
> as a temporary buffer, which causes trouble to rollback logic in case of
> failure. So use a dedicated temporary buffer for __assign_irq_vector().
>
> Signed
On Wed, Dec 23, 2015 at 10:13:26PM +0800, Jiang Liu wrote:
> Function __assign_irq_vector() makes use of apic_chip_data.old_domain
> as a temporary buffer, which causes trouble to rollback logic in case of
> failure. So use a dedicated temporary buffer for __assign_irq_vector().
>
> Signed-off-by:
Function __assign_irq_vector() makes use of apic_chip_data.old_domain
as a temporary buffer, which causes trouble to rollback logic in case of
failure. So use a dedicated temporary buffer for __assign_irq_vector().
Signed-off-by: Jiang Liu
---
arch/x86/kernel/apic/vector.c |9 +
1 fi
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