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Add fields to PACA 

For KVM we need to store some information in the PACA, so we
need to extend it.

This patch adds KVM SLB shadow related entries to the PACA and
a field that indicates if we're inside a guest.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Alexander Graf 2009-10-30 05:47:22 +00:00 committed by Benjamin Herrenschmidt
parent 0186fd0373
commit 4b7ae55df3
1 changed files with 9 additions and 0 deletions
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9
arch/powerpc/include/asm/paca.h
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@ -129,6 +129,15 @@ struct paca_struct {
u64 system_time; /* accumulated system TB ticks */
u64 startpurr; /* PURR/TB value snapshot */
u64 startspurr; /* SPURR value snapshot */
#ifdef CONFIG_KVM_BOOK3S_64_HANDLER
struct {
u64 esid;
u64 vsid;
} kvm_slb[64]; /* guest SLB */
u8 kvm_slb_max; /* highest used guest slb entry */
u8 kvm_in_guest; /* are we inside the guest? */
#endif
};
extern struct paca_struct paca[];