On Thu, Dec 24, 2015 at 04:29:21PM +0300, Andrey Smetanin wrote: > Currently on x86 arch we has already 32 requests defined > so the newer request bits can't be placed inside > vcpu->requests(unsigned long) inside x86 32 bit system. > But we are going to add a new request in x86 arch > for Hyper-V tsc page support. > > To solve the problem the patch replaces vcpu->requests by > bitmap with 64 bit length and uses bitmap API. > > The patch consists of: > * announce kvm_has_requests() to check whether vcpu has > requests > * announce kvm_clear_request() to clear particular vcpu request > * announce kvm_test_request() to test particular vcpu request > * replace if (vcpu->requests) by if (kvm_has_requests(vcpu)) > * replace clear_bit(req, vcpu->requests) by > kvm_clear_request(req, vcpu) > > Changes v2: > * hide internals of vcpu requests bitmap > by interface usage in all places > * replace test_bit(req, vcpu->requests) by > kvm_test_request() > * POWERPC: trace vcpu requests bitmap by > __bitmask, __assign_bitmap, __get_bitmask > > Signed-off-by: Andrey Smetanin <asmeta...@virtuozzo.com> > Acked-by: James Hogan <james.ho...@imgtec.com> > CC: Paolo Bonzini <pbonz...@redhat.com> > CC: Gleb Natapov <g...@kernel.org> > CC: James Hogan <james.ho...@imgtec.com> > CC: Paul Burton <paul.bur...@imgtec.com> > CC: Ralf Baechle <r...@linux-mips.org> > CC: Alexander Graf <ag...@suse.com> > CC: Christian Borntraeger <borntrae...@de.ibm.com> > CC: Cornelia Huck <cornelia.h...@de.ibm.com> > CC: linux-m...@linux-mips.org > CC: kvm-ppc@vger.kernel.org > CC: linux-s...@vger.kernel.org > CC: Roman Kagan <rka...@virtuozzo.com> > CC: Denis V. Lunev <d...@openvz.org> > CC: qemu-de...@nongnu.org > --- > arch/mips/kvm/emulate.c | 4 +--- > arch/powerpc/kvm/book3s_pr.c | 2 +- > arch/powerpc/kvm/book3s_pr_papr.c | 2 +- > arch/powerpc/kvm/booke.c | 6 +++--- > arch/powerpc/kvm/powerpc.c | 6 +++--- > arch/powerpc/kvm/trace.h | 9 +++++---- > arch/s390/kvm/kvm-s390.c | 4 ++-- > arch/x86/kvm/vmx.c | 2 +- > arch/x86/kvm/x86.c | 16 ++++++++-------- > include/linux/kvm_host.h | 38 +++++++++++++++++++++++++------------- > 10 files changed, 50 insertions(+), 39 deletions(-)
Reviewed-by: Roman Kagan <rka...@virtuozzo.com> -- To unsubscribe from this list: send the line "unsubscribe kvm-ppc" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
