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KVM: s390: replace TDB_ADDR by __LC_PGM_TDB

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The generically assembled low core labels already contain the
address for the TDB.

Signed-off-by: Michael Mueller <mimu@linux.vnet.ibm.com>
Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
This commit is contained in:
Michael Mueller 2014-03-13 19:29:09 +01:00 committed by Christian Borntraeger
parent 67335e63c9
commit a86dcc2482
2 changed files with 2 additions and 2 deletions
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3
arch/s390/kvm/intercept.c
View File

@ -16,6 +16,7 @@
#include <linux/pagemap.h>
#include <asm/kvm_host.h>
#include <asm/asm-offsets.h>
#include "kvm-s390.h"
#include "gaccess.h"
@ -193,7 +194,7 @@ static int handle_prog(struct kvm_vcpu *vcpu)
if (current->thread.per_flags & PER_FLAG_NO_TE)
goto skip_itdb;
itdb = (struct kvm_s390_itdb *)vcpu->arch.sie_block->itdba;
rc = write_guest_lc(vcpu, TDB_ADDR, itdb, sizeof(*itdb));
rc = write_guest_lc(vcpu, __LC_PGM_TDB, itdb, sizeof(*itdb));
if (rc)
return rc;
memset(itdb, 0, sizeof(*itdb));

1
arch/s390/kvm/kvm-s390.h
View File

@ -28,7 +28,6 @@ int kvm_handle_sie_intercept(struct kvm_vcpu *vcpu);
/* Transactional Memory Execution related macros */
#define IS_TE_ENABLED(vcpu) ((vcpu->arch.sie_block->ecb & 0x10))
#define TDB_ADDR 0x1800UL
#define TDB_FORMAT1 1
#define IS_ITDB_VALID(vcpu) ((*(char *)vcpu->arch.sie_block->itdba == TDB_FORMAT1))