lkml.org 
[lkml]   [2004]   [Nov]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: Suspend 2 merge: 31/51: Export tlb flushing
    --Nigel Cunningham <ncunningham@linuxmail.org> wrote (on Wednesday, November 24, 2004 23:59:50 +1100):

    > This patch adds a do_flush_tlb_all function that does the
    > SMP-appropriate thing for suspend after the image is restored.

    Is software suspend only designed for i386, or is that the only arch that
    didn't have such a function already? Seems like too low a level to be
    exporting to me.

    M.

    > diff -ruN 818-tlb-flushing-functions-old/arch/i386/kernel/smp.c 818-tlb-flushing-functions-new/arch/i386/kernel/smp.c
    > --- 818-tlb-flushing-functions-old/arch/i386/kernel/smp.c 2004-11-06 09:27:19.225681536 +1100
    > +++ 818-tlb-flushing-functions-new/arch/i386/kernel/smp.c 2004-11-04 16:27:41.000000000 +1100
    > @@ -476,7 +476,7 @@
    > preempt_enable();
    > }
    >
    > -static void do_flush_tlb_all(void* info)
    > +void do_flush_tlb_all(void* info)
    > {
    > unsigned long cpu = smp_processor_id();
    >
    > diff -ruN 818-tlb-flushing-functions-old/include/asm-i386/tlbflush.h 818-tlb-flushing-functions-new/include/asm-i386/tlbflush.h
    > --- 818-tlb-flushing-functions-old/include/asm-i386/tlbflush.h 2004-11-03 21:55:01.000000000 +1100
    > +++ 818-tlb-flushing-functions-new/include/asm-i386/tlbflush.h 2004-11-04 16:27:41.000000000 +1100
    > @@ -82,6 +82,7 @@
    > #define flush_tlb() __flush_tlb()
    > #define flush_tlb_all() __flush_tlb_all()
    > #define local_flush_tlb() __flush_tlb()
    > +#define local_flush_tlb_all() __flush_tlb_all();
    >
    > static inline void flush_tlb_mm(struct mm_struct *mm)
    > {
    > @@ -114,6 +115,10 @@
    > extern void flush_tlb_current_task(void);
    > extern void flush_tlb_mm(struct mm_struct *);
    > extern void flush_tlb_page(struct vm_area_struct *, unsigned long);
    > +extern void do_flush_tlb_all(void * info);
    > +
    > +#define local_flush_tlb_all() \
    > + do_flush_tlb_all(NULL);
    >
    > #define flush_tlb() flush_tlb_current_task()
    >
    >
    >
    > -
    > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    > the body of a message to majordomo@vger.kernel.org
    > More majordomo info at http://vger.kernel.org/majordomo-info.html
    > Please read the FAQ at http://www.tux.org/lkml/
    >
    >


    -
    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to majordomo@vger.kernel.org
    More majordomo info at http://vger.kernel.org/majordomo-info.html
    Please read the FAQ at http://www.tux.org/lkml/

    \
     
     \ /
      Last update: 2005-03-22 14:08    [W:0.025 / U:0.308 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site