On Thu, Feb 15, 2018 at 10:03:00PM +0100, Christoffer Dall wrote: > We have numerous checks around that checks if the HCR_EL2 has the RW bit > set to figure out if we're running an AArch64 or AArch32 VM. In some > cases, directly checking the RW bit (given its unintuitive name), is a > bit confusing, and that's not going to improve as we move logic around > for the following patches that optimize KVM on AArch64 hosts with VHE. > > Therefore, introduce a helper, vcpu_el1_is_32bit, and replace existing > direct checks of HCR_EL2.RW with the helper. > > Reviewed-by: Julien Grall <julien.grall@xxxxxxx> > Reviewed-by: Julien Thierry <julien.thierry@xxxxxxx> > Signed-off-by: Christoffer Dall <christoffer.dall@xxxxxxxxxx> > --- > > Notes: > Changes since v2: > - New patch > > Changes since v1: > - Reworded comments as suggested by Drew > > arch/arm64/include/asm/kvm_emulate.h | 7 ++++++- > arch/arm64/kvm/hyp/switch.c | 11 +++++------ > arch/arm64/kvm/hyp/sysreg-sr.c | 5 +++-- > arch/arm64/kvm/inject_fault.c | 6 +++--- > 4 files changed, 17 insertions(+), 12 deletions(-) > Reviewed-by: Andrew Jones <drjones@xxxxxxxxxx>
