Michael Mueller c5b4b6caa7 KVM: s390: Change virtual to physical address access in diag 0x258 handler ... commit cad4b3d4ab1f062708fff33f44d246853f51e966 upstream. The parameters for the diag 0x258 are real addresses, not virtual, but KVM was using them as virtual addresses. This only happened to work, since the Linux kernel as a guest used to have a 1:1 mapping for physical vs virtual addresses. Fix KVM so that it correctly uses the addresses as real addresses. Cc: stable@vger.kernel.org Fixes: 8ae04b8f50 ("KVM: s390: Guest's memory access functions get access registers") Suggested-by: Vasily Gorbik <gor@linux.ibm.com> Signed-off-by: Michael Mueller <mimu@linux.ibm.com> Signed-off-by: Nico Boehr <nrb@linux.ibm.com> Reviewed-by: Christian Borntraeger <borntraeger@linux.ibm.com> Reviewed-by: Heiko Carstens <hca@linux.ibm.com> Link: https://lore.kernel.org/r/20240917151904.74314-3-nrb@linux.ibm.com Acked-by: Janosch Frank <frankja@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		2024-10-22 15:51:22 +02:00
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kvm	KVM: s390: Change virtual to physical address access in diag 0x258 handler	2024-10-22 15:51:22 +02:00
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