Messages in this thread | | | From | (Eric W. Biederman) | Date | Thu, 31 Jul 2008 15:10:23 -0700 | Subject | Re: [PATCH] x86_64: Dynamically allocate arch specific system vectors |
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Alan Mayer <ajm@sgi.com> writes:
> Subject: [PATCH] x86_64: Dynamically allocate arch specific system vectors > > From: Alan Mayer <ajm@sgi.com> > > On some systems (e. g., UV) it is necessary to use an interrupt vector > as a "system" vector, that is, it is generated by system hardware, not an > IO device. This patch dynamically allocates them from the pool of interrupt > vectors below the fixed system vectors. This may include stealing some from > the device interrupt vector pool, so they are allocated dynamically so that > other archs don't have to pay the price. In UV, examples of these hardware > and software systems that need dynamically allocated vectors are the GRU, > the BAU, and XPM/XPC.
Could you please explain words why the vector allocator does not work for you?
This code at first glance looks a lot like duplicating the vector allocator.
Eric
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