Messages in this thread Patch in this message | | | Date | Mon, 8 Dec 2003 05:57:37 -0800 | From | William Lee Irwin III <> | Subject | Re: 2.6.0-test11-wli-1 |
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On Thu, Dec 04, 2003 at 12:01:20PM -0800, William Lee Irwin III wrote: > Successfully tested on a Thinkpad T21. Any feedback regarding > performance would be very helpful. Desktop users should notice top(1) > is faster, kernel hackers that kernel compiles are faster, and highmem > users should see much less per-process lowmem overhead.
Woops, I missed the target by a few bytes. Probably a bit overwrought:
-- wli
diff -prauN wli-2.6.0-test11-36/include/asm-i386/processor.h wli-2.6.0-test11-37/include/asm-i386/processor.h --- wli-2.6.0-test11-36/include/asm-i386/processor.h 2003-12-03 19:40:24.000000000 -0800 +++ wli-2.6.0-test11-37/include/asm-i386/processor.h 2003-12-07 06:36:51.000000000 -0800 @@ -497,11 +497,19 @@ void show_trace(struct task_struct *task unsigned long get_wchan(struct task_struct *task); #define THREAD_SIZE_LONGS (THREAD_SIZE/sizeof(unsigned long)) +#define KSTK_TOP(info) \ +({ \ + unsigned long *__ptr = (unsigned long *)(info); \ + (unsigned long)(&__ptr[THREAD_SIZE_LONGS]); \ +}) + #define task_pt_regs(task) \ ({ \ - unsigned long *__ptr = (unsigned long *)(task)->thread_info; \ - (struct pt_regs *)(&__ptr[THREAD_SIZE_LONGS-1]); \ + struct pt_regs *__regs__; \ + __regs__ = (struct pt_regs *)KSTK_TOP((task)->thread_info); \ + __regs__ - 1; \ }) + #define KSTK_EIP(task) (task_pt_regs(task)->eip) #define KSTK_ESP(task) (task_pt_regs(task)->esp) - 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/
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