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Add fields to PACA

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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[];