lkml.org 
[lkml]   [2015]   [Jul]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: [PATCH v2 3/3] selftests/x86, x86/ldt: Add a selftest for modify_ldt
    On 07/21/2015 03:59 PM, Andy Lutomirski wrote:
    > diff --git a/tools/testing/selftests/x86/ldt_gdt.c b/tools/testing/selftests/x86/ldt_gdt.c
    > new file mode 100644
    > index 000000000000..6f6699f0351a
    > --- /dev/null
    > +++ b/tools/testing/selftests/x86/ldt_gdt.c
    > @@ -0,0 +1,492 @@
    > +/*
    > + * ldt_gdt.c - Test cases for LDT and GDT access
    > + * Copyright (c) 2015 Andrew Lutomirski
    > + */
    > +
    > +#define _GNU_SOURCE
    > +#include <err.h>
    > +#include <stdio.h>
    > +#include <stdint.h>
    > +#include <signal.h>
    > +#include <setjmp.h>
    > +#include <string.h>
    > +#include <errno.h>
    > +#include <xmmintrin.h>

    Is xmmintrin.h necessary? It breaks 32-bit build with

    /usr/lib/gcc/x86_64-redhat-linux/4.7.2/include/xmmintrin.h:32:3: error:
    #error "SSE instruction set not enabled"

    unless I add -msse2.

    (This also needs stdlib.h for exit() declaration)

    -boris




    \
     
     \ /
      Last update: 2015-07-22 00:21    [W:4.140 / U:0.692 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site