[PATCH] fix compile breakage caused by x86: add ->pre_time_init to x86_quirks - Kernel

This is a discussion on [PATCH] fix compile breakage caused by x86: add ->pre_time_init to x86_quirks - Kernel ; >From da69eaed98248bf4b29e94d62a4e01a5c3758669 Mon Sep 17 00:00:00 2001 From: James Bottomley Date: Wed, 29 Oct 2008 13:14:29 -0500 Subject: [VOYAGER] x86: add voyager pre_time_init_hook This was introduced by: Author: Yinghai Lu Date: Sat Jul 19 18:02:26 2008 -0700 x86: add ->pre_time_init ...

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Thread: [PATCH] fix compile breakage caused by x86: add ->pre_time_init to x86_quirks

  1. [PATCH] fix compile breakage caused by x86: add ->pre_time_init to x86_quirks

    >From da69eaed98248bf4b29e94d62a4e01a5c3758669 Mon Sep 17 00:00:00 2001
    From: James Bottomley
    Date: Wed, 29 Oct 2008 13:14:29 -0500
    Subject: [VOYAGER] x86: add voyager pre_time_init_hook

    This was introduced by:

    Author: Yinghai Lu
    Date: Sat Jul 19 18:02:26 2008 -0700

    x86: add ->pre_time_init to x86_quirks

    In theory, voyager could also make use of the x86_quirks hooks but,
    unfortunately, they're not set up correctly for that to happen yet.

    Signed-off-by: James Bottomley
    ---
    arch/x86/mach-voyager/setup.c | 12 +++++++++++-
    1 files changed, 11 insertions(+), 1 deletions(-)

    diff --git a/arch/x86/mach-voyager/setup.c b/arch/x86/mach-voyager/setup.c
    index 7c6ff1a..4cc0515 100644
    --- a/arch/x86/mach-voyager/setup.c
    +++ b/arch/x86/mach-voyager/setup.c
    @@ -34,13 +34,23 @@ void __init intr_init_hook(void)
    setup_irq(2, &irq2);
    }

    -void __init pre_setup_arch_hook(void)
    +static void voyager_disable_tsc(void)
    {
    /* Voyagers run their CPUs from independent clocks, so disable
    * the TSC code because we can't sync them */
    setup_clear_cpu_cap(X86_FEATURE_TSC);
    }

    +void __init pre_setup_arch_hook(void)
    +{
    + voyager_disable_tsc();
    +}
    +
    +void __init pre_time_init_hook(void)
    +{
    + voyager_disable_tsc();
    +}
    +
    void __init trap_init_hook(void)
    {
    }
    --
    1.5.6.5



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  2. Re: [PATCH] fix compile breakage caused by x86: add ->pre_time_init to x86_quirks


    * James Bottomley wrote:

    > >From da69eaed98248bf4b29e94d62a4e01a5c3758669 Mon Sep 17 00:00:00 2001
    > From: James Bottomley
    > Date: Wed, 29 Oct 2008 13:14:29 -0500
    > Subject: [VOYAGER] x86: add voyager pre_time_init_hook
    >
    > This was introduced by:
    >
    > Author: Yinghai Lu
    > Date: Sat Jul 19 18:02:26 2008 -0700
    >
    > x86: add ->pre_time_init to x86_quirks
    >
    > In theory, voyager could also make use of the x86_quirks hooks but,
    > unfortunately, they're not set up correctly for that to happen yet.

    okay, so how about setting them up that way instead? That way we win
    twice: it becomes a tiny bit easier to add Voyager support to the
    generic platform code, and we also fix the build breakage.

    Ingo
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  3. Re: [PATCH] fix compile breakage caused by x86: add ->pre_time_init to x86_quirks

    On Thu, 2008-10-30 at 23:23 +0100, Ingo Molnar wrote:
    > * James Bottomley wrote:
    >
    > > >From da69eaed98248bf4b29e94d62a4e01a5c3758669 Mon Sep 17 00:00:00 2001
    > > From: James Bottomley
    > > Date: Wed, 29 Oct 2008 13:14:29 -0500
    > > Subject: [VOYAGER] x86: add voyager pre_time_init_hook
    > >
    > > This was introduced by:
    > >
    > > Author: Yinghai Lu
    > > Date: Sat Jul 19 18:02:26 2008 -0700
    > >
    > > x86: add ->pre_time_init to x86_quirks
    > >
    > > In theory, voyager could also make use of the x86_quirks hooks but,
    > > unfortunately, they're not set up correctly for that to happen yet.
    >
    > okay, so how about setting them up that way instead? That way we win
    > twice: it becomes a tiny bit easier to add Voyager support to the
    > generic platform code, and we also fix the build breakage.

    Sure, it should be possible ... but reworking the current quirk
    infrastructure would definitely be an enhancement, whereas this is a
    compile fix for 2.6.28-rc

    James


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  4. Re: [PATCH] fix compile breakage caused by x86: add ->pre_time_init to x86_quirks


    * James Bottomley wrote:

    > On Thu, 2008-10-30 at 23:23 +0100, Ingo Molnar wrote:
    > > * James Bottomley wrote:
    > >
    > > > >From da69eaed98248bf4b29e94d62a4e01a5c3758669 Mon Sep 17 00:00:00 2001
    > > > From: James Bottomley
    > > > Date: Wed, 29 Oct 2008 13:14:29 -0500
    > > > Subject: [VOYAGER] x86: add voyager pre_time_init_hook
    > > >
    > > > This was introduced by:
    > > >
    > > > Author: Yinghai Lu
    > > > Date: Sat Jul 19 18:02:26 2008 -0700
    > > >
    > > > x86: add ->pre_time_init to x86_quirks
    > > >
    > > > In theory, voyager could also make use of the x86_quirks hooks but,
    > > > unfortunately, they're not set up correctly for that to happen yet.
    > >
    > > okay, so how about setting them up that way instead? That way we win
    > > twice: it becomes a tiny bit easier to add Voyager support to the
    > > generic platform code, and we also fix the build breakage.
    >
    > Sure, it should be possible ... but reworking the current quirk
    > infrastructure would definitely be an enhancement, whereas this is a
    > compile fix for 2.6.28-rc

    but it's an ugly compile fix that just prolongues the pain that the
    subarch code has been inflicting on us for many cycles. Please fix the
    underlying problem properly - it should not be hard and it will
    definitely be cleaner end result.

    Ingo
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