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Commit a86dcc24 authored by Michael Mueller's avatar Michael Mueller Committed by Christian Borntraeger
Browse files

KVM: s390: replace TDB_ADDR by __LC_PGM_TDB 



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

Signed-off-by: default avatarMichael Mueller <mimu@linux.vnet.ibm.com>
Acked-by: default avatarChristian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: default avatarCornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: default avatarChristian Borntraeger <borntraeger@de.ibm.com>
parent 67335e63

arch/s390/kvm/intercept.c

+2 −1
Original line number Diff line number Diff line
@@ -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));

arch/s390/kvm/kvm-s390.h

+0 −1
Original line number Diff line number Diff line
@@ -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))