[lkml]   [2009]   [May]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
    SubjectRe: [PATCH 3/10 -tip] x86: Add cpufeatures for Advanced Power Management
    Hello Thomas,

    On Tue, 2009-05-12 at 23:04 +0200, Thomas Gleixner wrote:
    > Jaswinder,
    > On Wed, 13 May 2009, Jaswinder Singh Rajput wrote:
    > > + /* Advanced Power Management (Function 8000_0007h), edx */
    > > + if (c->extended_cpuid_level >= 0x80000007) {
    > > + c->x86_capability[9] = cpuid_edx(0x80000007);
    > In the reply to [Patch 5/10] Ingo wrote:
    > >> Also, open-coding x86_capability[9] like that is quite unclean. Were
    > >> we ever to reorder those bits internally, this could would break.
    > Do you really believe that open-coding x86_capability[9] in .../common.c
    > is better than the open-coding in ../powernow-k8.c ?

    BTW, then how you can set x86_capability[9] in one shot ? do you want me
    to set each bit with set_cpu_cap() ?

    > Again, open-coding is wrong and error prone. Ingo explicitely asked for a
    > helper function. All you did is moving the open-coded hard wired array
    > reference to a different place.

    I am sorry I did not get you, if possible can you please explain your

    I made x86_capability[9] as Advanced Power Management (Function
    8000_0007h), edx.
    And I moved to X86_FEATURE_CONSTANT_TSC to Advanced Power Management
    group as it is the part of it.

    I added helper cpufeature for Advanced Power Management availability
    so I set in software cpufeature array in vacuum created by

    If you have some better suggestion, please let me know.

    Thanks for your guidance,

     \ /
      Last update: 2009-05-15 15:51    [W:0.024 / U:0.140 seconds]
    ©2003-2017 Jasper Spaans. hosted at Digital OceanAdvertise on this site