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a32073bff [PATCH] x86_64: Clean and enhance up K8 northbridge access code ... Browse Code »

- Factor out the duplicated access/cache code into a single file
* Shared between i386/x86-64.
- Share flush code between AGP and IOMMU
* Fix a bug: AGP didn't wait for end of flush before
- Drop 8 northbridges limit and allocate dynamically
- Add lock to serialize AGP and IOMMU GART flushes
- Add PCI ID for next AMD northbridge
- Random related cleanups

The old K8 NUMA discovery code is unchanged. New systems
should all use SRAT for this.

Cc: "Navin Boppuri"
Cc: Dave Jones
Signed-off-by: Andi Kleen
Signed-off-by: Linus Torvalds

Andi Kleen
2006-06-27 01:48:15 +0800

k8.h 298 Bytes

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#ifndef _ASM_K8_H
#define _ASM_K8_H 1

#include <linux/pci.h>

extern struct pci_device_id k8_nb_ids[];

extern int early_is_k8_nb(u32 value);
extern struct pci_dev **k8_northbridges;
extern int num_k8_northbridges;
extern int cache_k8_northbridges(void);
extern void k8_flush_garts(void);

#endif