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Date: Fri, 08 Aug 2008 15:01:42 -0700
From: "H. Peter Anvin" <hpa@...or.com>
To: Yinghai Lu <yhlu.kernel@...il.com>
CC: Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>,
"Eric W. Biederman" <ebiederm@...ssion.com>,
Dhaval Giani <dhaval@...ux.vnet.ibm.com>,
Mike Travis <travis@....com>,
Andrew Morton <akpm@...ux-foundation.org>,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH 00/42] dyn_array/nr_irqs/sparse_irq support v5
Yinghai Lu wrote:
> Please check dyn_array support for x86
> v3: split changing to nr_irqs to small patches
> fix checkpatch error
> reorder the patch sequence to make dyn_array support go at first
> so could use that with arrays other than NR_IRQS
> v4: add CONFIG_HAVE_SPARSE_IRQ with list to use condensed irq_desc array
> so could use 32 init, and init more if needed.
> x86 32bit: have CONFIG_HAVE_DYN_ARRAY
> x86 64bit: have CONFIG_HAVE_DYN_ARRAY and CONFIG_HAVE_SPARSE_IRQ
>
So I'm still clearly missing something about this... if we need sparse
IRQs in the first place (which we do), what's the point of the dyn_array?
-hpa
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