Messages in this thread | | | Date | Wed, 23 Oct 2013 17:27:06 +0800 | From | "“tiejun.chen”" <> | Subject | Re: [v5][PATCH 2/6] powerpc/book3e: store critical/machine/debug exception thread info |
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On 10/19/2013 06:43 AM, Scott Wood wrote: > On Thu, 2013-06-20 at 18:28 +0800, Tiejun Chen wrote: >> We need to store thread info to these exception thread info like something >> we already did for PPC32. >> >> Signed-off-by: Tiejun Chen <tiejun.chen@windriver.com> >> --- >> arch/powerpc/kernel/exceptions-64e.S | 15 +++++++++++++++ >> 1 file changed, 15 insertions(+) >> >> diff --git a/arch/powerpc/kernel/exceptions-64e.S b/arch/powerpc/kernel/exceptions-64e.S >> index 4d8e57f..07cf657 100644 >> --- a/arch/powerpc/kernel/exceptions-64e.S >> +++ b/arch/powerpc/kernel/exceptions-64e.S >> @@ -67,6 +67,18 @@ >> std r10,PACA_##level##_STACK(r13); >> #endif >> >> +/* Store something to exception thread info */ >> +#define BOOK3E_STORE_EXC_LEVEL_THEAD_INFO(type) \ >> + ld r14,PACAKSAVE(r13); \ >> + CURRENT_THREAD_INFO(r14, r14); \ >> + CURRENT_THREAD_INFO(r15, r1); \ >> + ld r10,TI_FLAGS(r14); \ >> + std r10,TI_FLAGS(r15); \ >> + ld r10,TI_PREEMPT(r14); \ >> + std r10,TI_PREEMPT(r15); \ >> + ld r10,TI_TASK(r14); \ >> + std r10,TI_TASK(r15); > > Where is "type" used? >
Yes, its noting now but its worth leaving this to extend something in the future.
> BTW, no need for a BOOK3E prefix for things local to this file. >
What about "EXC_LEVEL_EXCEPTION_PROLOG"? Please see next version.
Thanks,
Tiejun
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