Re: [PATCH] x86: fix lguest used_vectors breakage -v2

Ingo Molnar
2008-12-19T23:31:54Z

* Yinghai Lu <yinghai@kernel.org> wrote:

>
> Impact: fix lguest, clean up
>
> 32-bit lguest used used_vectors to record vectors, but that model of
> allocating vectors changed and got broken, after we changed vector
> allocation to a per_cpu array.
>
> Try enable that for 64bit, and the array is used for all vectors that
> are not managed by vector_irq per_cpu array.
>
> Also kill system_vectors[], that is now a duplication of the
> used_vectors bitmap.
>
> [ merged in cpus4096 due to io_apic.c cpumask changes. ]
>
> Signed-off-by: Yinghai Lu <yinghai@kernel.org>
> Signed-off-by: Ingo Molnar <mingo@elte.hu>
>
> ---
> arch/x86/include/asm/desc.h | 10 ++++------
> arch/x86/include/asm/irq.h | 1 +
> arch/x86/kernel/apic.c | 2 --
> arch/x86/kernel/io_apic.c | 9 +++------
> arch/x86/kernel/irqinit_32.c | 16 +++++++++++++++-
> arch/x86/kernel/irqinit_64.c | 13 +++++++++++++
> arch/x86/kernel/traps.c | 12 +++++++-----
> drivers/lguest/interrupts_and_traps.c | 13 +++++++++----
> 8 files changed, 52 insertions(+), 24 deletions(-)

applied, thanks Yinghai!

Ingo