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Re: [Xen-devel] Re: [Crash-utility] xencrash fixes for xen-3.3.0
| To: | Dave Anderson <anderson@xxxxxxxxxx>, "Discussion list for crash utility usage, maintenance and development" <crash-utility@xxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] Re: [Crash-utility] xencrash fixes for xen-3.3.0 |
| From: | Keir Fraser <keir.fraser@xxxxxxxxxxxxx> |
| Date: | Tue, 07 Oct 2008 14:55:00 +0100 |
| Cc: | xen-devel@xxxxxxxxxxxxxxxxxxx |
| Delivery-date: | Tue, 07 Oct 2008 06:55:19 -0700 |
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| Thread-index: | AckohEoOiNelwJR3Ed2EcgAWy6hiGQ== |
| Thread-topic: | [Xen-devel] Re: [Crash-utility] xencrash fixes for xen-3.3.0 |
| User-agent: | Microsoft-Entourage/11.4.0.080122 |
On 7/10/08 14:39, "Dave Anderson" <anderson@xxxxxxxxxx> wrote: > The patch looks OK. But just for sanity's sake, is it guaranteed that > the per_cpu data section will be greater than 4k on both architectures? > Or could there be some combination of xen CONFIG options that could > reduce the i386 per_cpu data section contents to less than 4K even though > PERCPU_SHIFT is 13? PERCPU_SHIFT has only ever been 12 or 13 so far, and it's unlikely to ever get smaller. Ongoing, we could help you out by defining some useful label in our linker script. For example, __per_cpu_shift = PERCPU_SHIFT (or '__per_cpu_start + PERCPU_SHIFT', as I'm not sure about creating labels outside the virtual address ranges defined by the object file). -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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