Messages in this thread | | | Date | Wed, 9 Apr 2008 13:28:09 -0700 | From | "Yinghai Lu" <> | Subject | Re: [PATCH] x86_64: Change FIRST_SYSTEM_VECTOR to a variable. |
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On Wed, Apr 9, 2008 at 7:59 AM, Ingo Molnar <mingo@elte.hu> wrote: > > * Alan Mayer <ajm@sgi.com> wrote: > > > Subject: [PATCH] x86_64: Change FIRST_SYSTEM_VECTOR to a variable. > > > > From: Alan Mayer <ajm@sgi.com> > > > > The SGI UV system needs several more system vectors than a vanilla > > x86_64 system. Rather than burden the other archs with extra system > > vectors that they don't use, change FIRST_SYSTEM_VECTOR to a variable, > > so that it can be dynamic. > > nice - but please split this up into two patches: first one that changes > the generic code to use a variable limit - this patch will (should) be a > functional NOP. > > then a second patch adds those two new UV vectors. > > Also, could you please also change the 32-bit side as well so that we at > least keep the two implementations roughly in sync? >
for x86_64, current from 0x20 to 0x2f, we only use one for irq migration.
wonder if you can use 2 from them for UV...
YH
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