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xen-devel
[Xen-devel] Re: [PATCH 00 of 36] x86/paravirt: groundwork for 64-bit Xen
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To: |
Ingo Molnar <mingo@xxxxxxx> |
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Subject: |
[Xen-devel] Re: [PATCH 00 of 36] x86/paravirt: groundwork for 64-bit Xen support |
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From: |
Jeremy Fitzhardinge <jeremy@xxxxxxxx> |
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Date: |
Thu, 26 Jun 2008 11:25:54 -0700 |
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Cc: |
Nick Piggin <npiggin@xxxxxxx>, Mark McLoughlin <markmc@xxxxxxxxxx>, xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, Eduardo Habkost <ehabkost@xxxxxxxxxx>, Vegard Nossum <vegard.nossum@xxxxxxxxx>, Stephen Tweedie <sct@xxxxxxxxxx>, x86@xxxxxxxxxx, LKML <linux-kernel@xxxxxxxxxxxxxxx>, Yinghai Lu <yhlu.kernel@xxxxxxxxx> |
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Thu, 26 Jun 2008 11:26:36 -0700 |
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<patchbomb.1214367536@localhost> <20080625084253.GA11524@xxxxxxx> <20080625152212.GA3442@xxxxxxx> <4862A6A9.1030109@xxxxxxxx> <20080626105722.GA12640@xxxxxxx> |
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Ingo Molnar wrote:
* Jeremy Fitzhardinge <jeremy@xxxxxxxx> wrote:
It quickly broke the build in testing:
include/asm/pgalloc.h: In function ‘paravirt_pgd_free':
include/asm/pgalloc.h:14: error: parameter name omitted
arch/x86/kernel/entry_64.S: In file included from
arch/x86/kernel/traps_64.c:51:include/asm/pgalloc.h: In function
‘paravirt_pgd_free':
include/asm/pgalloc.h:14: error: parameter name omitted
No, looks like my fault. The non-PARAVIRT version of
paravirt_pgd_free() is:
static inline void paravirt_pgd_free(struct mm_struct *mm, pgd_t *) {}
but C doesn't like missing parameter names, even if unused.
This should fix it:
that fixed the build but now we've got a boot crash with this config:
time.c: Detected 2010.304 MHz processor.
spurious 8259A interrupt: IRQ7.
BUG: unable to handle kernel NULL pointer dereference at 0000000000000000
IP: [<0000000000000000>]
PGD 0
Thread overran stack, or stack corrupted
Oops: 0010 [1] SMP
CPU 0
What stage during boot? I'm seeing an initrd problem, but that's
relatively late.
J
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