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| author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-05 14:55:20 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-05 14:55:20 -0700 |
| commit | ea62ccd00fd0b6720b033adfc9984f31130ce195 (patch) | |
| tree | 9837b797b2466fffcb0af96c388b06eae9c3df18 /drivers/char/agp | |
| parent | 886a0768affe9a32f18c45f8e1393bca9ece5392 (diff) | |
| parent | 35060b6a9a4e1c89bc6fbea61090e302dbc61847 (diff) | |
| download | linux-ea62ccd00fd0b6720b033adfc9984f31130ce195.tar.bz2 | |
Merge branch 'for-linus' of git://one.firstfloor.org/home/andi/git/linux-2.6
* 'for-linus' of git://one.firstfloor.org/home/andi/git/linux-2.6: (231 commits)
[PATCH] i386: Don't delete cpu_devs data to identify different x86 types in late_initcall
[PATCH] i386: type may be unused
[PATCH] i386: Some additional chipset register values validation.
[PATCH] i386: Add missing !X86_PAE dependincy to the 2G/2G split.
[PATCH] x86-64: Don't exclude asm-offsets.c in Documentation/dontdiff
[PATCH] i386: avoid redundant preempt_disable in __unlazy_fpu
[PATCH] i386: white space fixes in i387.h
[PATCH] i386: Drop noisy e820 debugging printks
[PATCH] x86-64: Fix allnoconfig error in genapic_flat.c
[PATCH] x86-64: Shut up warnings for vfat compat ioctls on other file systems
[PATCH] x86-64: Share identical video.S between i386 and x86-64
[PATCH] x86-64: Remove CONFIG_REORDER
[PATCH] x86-64: Print type and size correctly for unknown compat ioctls
[PATCH] i386: Remove copy_*_user BUG_ONs for (size < 0)
[PATCH] i386: Little cleanups in smpboot.c
[PATCH] x86-64: Don't enable NUMA for a single node in K8 NUMA scanning
[PATCH] x86: Use RDTSCP for synchronous get_cycles if possible
[PATCH] i386: Add X86_FEATURE_RDTSCP
[PATCH] i386: Implement X86_FEATURE_SYNC_RDTSC on i386
[PATCH] i386: Implement alternative_io for i386
...
Fix up trivial conflict in include/linux/highmem.h manually.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/char/agp')
| -rw-r--r-- | drivers/char/agp/amd64-agp.c | 13 |
1 files changed, 4 insertions, 9 deletions
diff --git a/drivers/char/agp/amd64-agp.c b/drivers/char/agp/amd64-agp.c index 485720486d60..c9f0f250d78f 100644 --- a/drivers/char/agp/amd64-agp.c +++ b/drivers/char/agp/amd64-agp.c @@ -14,6 +14,7 @@ #include <linux/agp_backend.h> #include <linux/mmzone.h> #include <asm/page.h> /* PAGE_SIZE */ +#include <asm/e820.h> #include <asm/k8.h> #include "agp.h" @@ -259,7 +260,6 @@ static const struct agp_bridge_driver amd_8151_driver = { /* Some basic sanity checks for the aperture. */ static int __devinit aperture_valid(u64 aper, u32 size) { - u32 pfn, c; if (aper == 0) { printk(KERN_ERR PFX "No aperture\n"); return 0; @@ -272,14 +272,9 @@ static int __devinit aperture_valid(u64 aper, u32 size) printk(KERN_ERR PFX "Aperture out of bounds\n"); return 0; } - pfn = aper >> PAGE_SHIFT; - for (c = 0; c < size/PAGE_SIZE; c++) { - if (!pfn_valid(pfn + c)) - break; - if (!PageReserved(pfn_to_page(pfn + c))) { - printk(KERN_ERR PFX "Aperture pointing to RAM\n"); - return 0; - } + if (e820_any_mapped(aper, aper + size, E820_RAM)) { + printk(KERN_ERR PFX "Aperture pointing to RAM\n"); + return 0; } /* Request the Aperture. This catches cases when someone else |