Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=261a5ec36befbe6bae069be14f45e618dcd35146
Commit: 261a5ec36befbe6bae069be14f45e618dcd35146
Parent: dff244af014144e4ac87dfc5b6e450dc8832710e
Author: Yinghai Lu <[EMAIL PROTECTED]>
AuthorDate: Wed Jan 30 13:33:39 2008 +0100
Committer: Ingo Molnar <[EMAIL PROTECTED]>
CommitDate: Wed Jan 30 13:33:39 2008 +0100
x86: change aper valid checking sequence
old sequence:
size ==> >4G ==> point to RAM
changed to:
>4G ==> point to RAM ==> size
some bios even leave aper to unclear, so check size at last.
To avoid reporting:
Node 0: Aperture @ 4a42000000 size 32 MB
Aperture too small (32 MB)
with this change we will get:
Node 0: Aperture @ 4a42000000 size 32 MB
Aperture beyond 4G. Ignoring.
Signed-off-by: Yinghai Lu <[EMAIL PROTECTED]>
Signed-off-by: Ingo Molnar <[EMAIL PROTECTED]>
Signed-off-by: Thomas Gleixner <[EMAIL PROTECTED]>
---
arch/x86/kernel/aperture_64.c | 8 ++++----
1 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/arch/x86/kernel/aperture_64.c b/arch/x86/kernel/aperture_64.c
index 0b837bb..608152a 100644
--- a/arch/x86/kernel/aperture_64.c
+++ b/arch/x86/kernel/aperture_64.c
@@ -85,10 +85,6 @@ static int __init aperture_valid(u64 aper_base, u32
aper_size)
if (!aper_base)
return 0;
- if (aper_size < 64*1024*1024) {
- printk(KERN_ERR "Aperture too small (%d MB)\n", aper_size>>20);
- return 0;
- }
if (aper_base + aper_size > 0x100000000UL) {
printk(KERN_ERR "Aperture beyond 4GB. Ignoring.\n");
return 0;
@@ -97,6 +93,10 @@ static int __init aperture_valid(u64 aper_base, u32
aper_size)
printk(KERN_ERR "Aperture pointing to e820 RAM. Ignoring.\n");
return 0;
}
+ if (aper_size < 64*1024*1024) {
+ printk(KERN_ERR "Aperture too small (%d MB)\n", aper_size>>20);
+ return 0;
+ }
return 1;
}
-
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