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Contents of /tags/kernel26-xen-2_6_25_r1-fedora9-patches/kernel26-xen/patches-2.6.25-r1/1147-2.6.25-xen-64-quick-ugly-hack-to-fix-pgd_clear-pagetabl.patch
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Revision 608 -
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Fri May 23 12:17:32 2008 UTC (16 years ago) by (unknown author)
File size: 940 byte(s)
Fri May 23 12:17:32 2008 UTC (16 years ago) by (unknown author)
File size: 940 byte(s)
This commit was manufactured by cvs2svn to create tag 'kernel26-xen-2_6_25_r1-fedora9-patches'.
| 1 | From 0f5f6cec686753c7096663ea48add203a8e0106b Mon Sep 17 00:00:00 2001 |
| 2 | From: Eduardo Habkost <ehabkost@redhat.com> |
| 3 | Date: Wed, 20 Feb 2008 19:04:43 -0300 |
| 4 | Subject: [PATCH] Xen-64: quick, ugly hack to fix pgd_clear() pagetable unpinning (FIXME) |
| 5 | |
| 6 | Should be fixed properly later. |
| 7 | |
| 8 | Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> |
| 9 | --- |
| 10 | include/asm-x86/paravirt.h | 4 ++++ |
| 11 | 1 files changed, 4 insertions(+), 0 deletions(-) |
| 12 | |
| 13 | diff --git a/include/asm-x86/paravirt.h b/include/asm-x86/paravirt.h |
| 14 | index 784ea98..3fddadc 100644 |
| 15 | --- a/include/asm-x86/paravirt.h |
| 16 | +++ b/include/asm-x86/paravirt.h |
| 17 | @@ -1146,6 +1146,10 @@ static inline void set_pgd(pgd_t *pgdp, pgd_t pgd) |
| 18 | static inline void pgd_clear(pgd_t *pgdp) |
| 19 | { |
| 20 | set_pgd(pgdp, __pgd(0)); |
| 21 | +#ifdef CONFIG_X86_64 |
| 22 | + /*FIXME: ugly ugly ugly ugly ugly ugly hack */ |
| 23 | + set_pgd((pgd_t*)(((unsigned long)pgdp)+PAGE_SIZE), __pgd(0)); |
| 24 | +#endif |
| 25 | } |
| 26 | |
| 27 | static inline void pud_clear(pud_t *pudp) |
| 28 | -- |
| 29 | 1.5.4.1 |
| 30 |