BUG: rsa-pkcs1pad decrypt regression in 4.8

2016-09-21 Thread Mat Martineau
Herbert - There was a regression in pkcs1pad signature verification, related to signature verification, that you fixed in commit 27710b8ea3defcb: https://git.kernel.org/cgit/linux/kernel/git/herbert/crypto-2.6.git/commit/?id=27710b8ea3defcbd7d340dbd0423d911b4eb7c4f There is a very similar pr

Re: [RFC PATCH v1 03/28] kvm: svm: Use the hardware provided GPA instead of page walk

2016-09-21 Thread Borislav Petkov
On Mon, Aug 22, 2016 at 07:24:07PM -0400, Brijesh Singh wrote: > From: Tom Lendacky > > When a guest causes a NPF which requires emulation, KVM sometimes walks > the guest page tables to translate the GVA to a GPA. This is unnecessary > most of the time on AMD hardware since the hardware provides

Re: [RFC PATCH v1 02/28] kvm: svm: Add kvm_fast_pio_in support

2016-09-21 Thread Borislav Petkov
On Mon, Aug 22, 2016 at 07:23:54PM -0400, Brijesh Singh wrote: > From: Tom Lendacky > > Update the I/O interception support to add the kvm_fast_pio_in function > to speed up the in instruction similar to the out instruction. > > Signed-off-by: Tom Lendacky > --- > arch/x86/include/asm/kvm_host