Re: [v6 PATCH 02/21] x86/mpx: Do not use SIB index if index points to R/ESP

2017-04-25 Thread Ricardo Neri
Hi Boris, I am sorry I missed your feedback earlier. Thanks for commenting! On Tue, 2017-04-11 at 13:31 +0200, Borislav Petkov wrote: > On Tue, Mar 07, 2017 at 04:32:35PM -0800, Ricardo Neri wrote: > > Section 2.2.1.2 of the Intel 64 and IA-32 Architectures Software > > Developer's Manual volume

Re: [v6 PATCH 02/21] x86/mpx: Do not use SIB index if index points to R/ESP

2017-04-11 Thread Borislav Petkov
On Tue, Mar 07, 2017 at 04:32:35PM -0800, Ricardo Neri wrote: > Section 2.2.1.2 of the Intel 64 and IA-32 Architectures Software > Developer's Manual volume 2A states that when memory addressing is used > (i.e., mod part of ModR/M is not 3), a SIB byte is used and the index of > the SIB byte points