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    SubjectRe: [PATCH] ACPI: Read TSC upon resume
    Date
    On Thursday, October 07, 2010, Greg KH wrote:
    > On Thu, Oct 07, 2010 at 11:05:21AM -0700, Sameer Nanda wrote:
    > > On Thu, Oct 7, 2010 at 10:46 AM, Greg KH <gregkh@suse.de> wrote:
    > > > On Thu, Oct 07, 2010 at 10:43:34AM -0700, Sameer Nanda wrote:
    > > >> On Wed, Oct 6, 2010 at 7:19 PM, Greg KH <gregkh@suse.de> wrote:
    > > >> > And are you always going to be printing this out? Why do we want to
    > > >> > know this every time?
    > > >> >
    > > >>
    > > >> Yes, every time. This helps track variance in BIOS resume times within a
    > > >> single boot.
    > > >
    > > > Is that really something that users can do something about?
    > >
    > > Aside from complaining to the BIOS vendors, no :)
    >
    > Then I would not recommend adding this patch, as it is irrelevant for
    > 99.9999% of all Linux users.

    It may be somewhat useful, but the rdtscll() call seems to be x86-specific, in
    which case it shouldn't be used at this place.

    Thanks,
    Rafael


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