| Message ID | 1420626509-22915-1-git-send-email-luis.henriques@canonical.com |
|---|---|
| State | New |
| Headers | show |
diff --git a/arch/s390/kvm/priv.c b/arch/s390/kvm/priv.c index f89c1cd67751..9f41229df1aa 100644 --- a/arch/s390/kvm/priv.c +++ b/arch/s390/kvm/priv.c @@ -800,7 +800,7 @@ int kvm_s390_handle_lctl(struct kvm_vcpu *vcpu) break; reg = (reg + 1) % 16; } while (1); - + kvm_make_request(KVM_REQ_TLB_FLUSH, vcpu); return 0; } @@ -872,7 +872,7 @@ static int handle_lctlg(struct kvm_vcpu *vcpu) break; reg = (reg + 1) % 16; } while (1); - + kvm_make_request(KVM_REQ_TLB_FLUSH, vcpu); return 0; }
This is a note to let you know that I have just added a patch titled KVM: s390: flush CPU on load control to the linux-3.16.y-queue branch of the 3.16.y-ckt extended stable tree which can be found at: http://kernel.ubuntu.com/git?p=ubuntu/linux.git;a=shortlog;h=refs/heads/linux-3.16.y-queue This patch is scheduled to be released in version 3.16.7-ckt4. If you, or anyone else, feels it should not be added to this tree, please reply to this email. For more information about the 3.16.y-ckt tree, see https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable Thanks. -Luis ------ From fca4638cf8bb1d7fe976e05f05976f111c393d99 Mon Sep 17 00:00:00 2001 From: Christian Borntraeger <borntraeger@de.ibm.com> Date: Fri, 31 Oct 2014 09:24:20 +0100 Subject: KVM: s390: flush CPU on load control commit 2dca485f8740208604543c3960be31a5dd3ea603 upstream. some control register changes will flush some aspects of the CPU, e.g. POP explicitely mentions that for CR9-CR11 "TLBs may be cleared". Instead of trying to be clever and only flush on specific CRs, let play safe and flush on all lctl(g) as future machines might define new bits in CRs. Load control intercept should not happen that often. Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com> Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com> Signed-off-by: Luis Henriques <luis.henriques@canonical.com> --- arch/s390/kvm/priv.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) -- 2.1.4