On Mon, 2015-13-07 at 08:16:06 UTC, Anshuman Khandual wrote: > This patch enables facility unavailable exceptions for generic facility, > FPU, ALTIVEC and VSX in /proc/interrupts listing by incrementing their > newly added IRQ statistical counters as and when these exceptions happen. > This also adds couple of helper functions which will be called from within > the interrupt handler context to update their statistics. Similarly this > patch also enables alignment and program check exceptions as well.
... > diff --git a/arch/powerpc/kernel/exceptions-64s.S > b/arch/powerpc/kernel/exceptions-64s.S > index 0a0399c2..a86180c 100644 > --- a/arch/powerpc/kernel/exceptions-64s.S > +++ b/arch/powerpc/kernel/exceptions-64s.S > @@ -1158,6 +1158,7 @@ BEGIN_FTR_SECTION > END_FTR_SECTION_IFSET(CPU_FTR_TM) > #endif > bl load_up_fpu > + bl fpu_unav_exceptions_count Is it safe to call C code here? > b fast_exception_return > #ifdef CONFIG_PPC_TRANSACTIONAL_MEM > 2: /* User process was in a transaction */ cheers _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
