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Message-ID: <1505413827.8286.10.camel@linux.intel.com> Date: Thu, 14 Sep 2017 11:30:27 -0700 From: Ricardo Neri <ricardo.neri-calderon@...ux.intel.com> To: Borislav Petkov <bp@...e.de> Cc: Ingo Molnar <mingo@...hat.com>, Thomas Gleixner <tglx@...utronix.de>, "H. Peter Anvin" <hpa@...or.com>, Andy Lutomirski <luto@...nel.org>, Peter Zijlstra <peterz@...radead.org>, Andrew Morton <akpm@...ux-foundation.org>, Brian Gerst <brgerst@...il.com>, Chris Metcalf <cmetcalf@...lanox.com>, Dave Hansen <dave.hansen@...ux.intel.com>, Paolo Bonzini <pbonzini@...hat.com>, Masami Hiramatsu <mhiramat@...nel.org>, Huang Rui <ray.huang@....com>, Jiri Slaby <jslaby@...e.cz>, Jonathan Corbet <corbet@....net>, "Michael S. Tsirkin" <mst@...hat.com>, Paul Gortmaker <paul.gortmaker@...driver.com>, Vlastimil Babka <vbabka@...e.cz>, Chen Yucong <slaoub@...il.com>, "Ravi V. Shankar" <ravi.v.shankar@...el.com>, Shuah Khan <shuah@...nel.org>, linux-kernel@...r.kernel.org, x86@...nel.org, Adam Buchbinder <adam.buchbinder@...il.com>, Colin Ian King <colin.king@...onical.com>, Lorenzo Stoakes <lstoakes@...il.com>, Qiaowei Ren <qiaowei.ren@...el.com>, Arnaldo Carvalho de Melo <acme@...hat.com>, Adrian Hunter <adrian.hunter@...el.com>, Kees Cook <keescook@...omium.org>, Thomas Garnier <thgarnie@...gle.com>, Dmitry Vyukov <dvyukov@...gle.com> Subject: Re: [PATCH v8 10/28] x86/insn-eval: Add a utility function to get register offsets On Fri, 2017-09-08 at 15:35 +0200, Borislav Petkov wrote: > On Fri, Aug 18, 2017 at 05:27:51PM -0700, Ricardo Neri wrote: > > > > The function get_reg_offset() returns the offset to the register > > the > > argument specifies as indicated in an enumeration of type offset. > > Callers > > of this function would need the definition of such enumeration. > > This is > > not needed. Instead, add helper functions for this purpose. These > > functions > > are useful in cases when, for instance, the caller needs to decide > > whether > > the operand is a register or a memory location by looking at the rm > > part > > of the ModRM byte. As of now, this is the only helper function that > > is > > needed. > > > > Cc: Dave Hansen <dave.hansen@...ux.intel.com> > > Cc: Adam Buchbinder <adam.buchbinder@...il.com> > > Cc: Colin Ian King <colin.king@...onical.com> > > Cc: Lorenzo Stoakes <lstoakes@...il.com> > > Cc: Qiaowei Ren <qiaowei.ren@...el.com> > > Cc: Arnaldo Carvalho de Melo <acme@...hat.com> > > Cc: Masami Hiramatsu <mhiramat@...nel.org> > > Cc: Adrian Hunter <adrian.hunter@...el.com> > > Cc: Kees Cook <keescook@...omium.org> > > Cc: Thomas Garnier <thgarnie@...gle.com> > > Cc: Peter Zijlstra <peterz@...radead.org> > > Cc: Borislav Petkov <bp@...e.de> > > Cc: Dmitry Vyukov <dvyukov@...gle.com> > > Cc: Ravi V. Shankar <ravi.v.shankar@...el.com> > > Cc: x86@...nel.org > > Signed-off-by: Ricardo Neri <ricardo.neri-calderon@...ux.intel.com> > > --- > > arch/x86/include/asm/insn-eval.h | 1 + > > arch/x86/lib/insn-eval.c | 15 +++++++++++++++ > > 2 files changed, 16 insertions(+) > Reviewed-by: Borislav Petkov <bp@...e.de> Thanks for your review! BR, Ricardo
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