On Tue, Apr 22, 2008 at 08:50:24PM +0200, Jens Axboe wrote: > This converts mips to use the new helpers for smp_call_function() and > friends, and adds support for smp_call_function_single(). Not tested, > but it compiles. > > Cc: Ralf Baechle <ralf@xxxxxxxxxxxxxx> > Signed-off-by: Jens Axboe <jens.axboe@xxxxxxxxxx> > --- > arch/mips/Kconfig | 1 + > arch/mips/kernel/smp-mt.c | 27 ++++++++- > arch/mips/kernel/smp.c | 133 +++------------------------------------- > arch/mips/kernel/smtc.c | 7 ++ > arch/mips/sibyte/bcm1480/smp.c | 3 + > arch/mips/sibyte/sb1250/smp.c | 2 + > include/asm-mips/smp.h | 12 +--- > 7 files changed, 49 insertions(+), 136 deletions(-) > > diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig > index 8724ed3..5092a9e 100644 > --- a/arch/mips/Kconfig > +++ b/arch/mips/Kconfig > @@ -1742,6 +1742,7 @@ config SMP > bool "Multi-Processing support" > depends on SYS_SUPPORTS_SMP > select IRQ_PER_CPU > + select USE_GENERIC_SMP_HELPERS > help > This enables support for systems with more than one CPU. If you have > a system with only one CPU, like most personal computers, say N. If > diff --git a/arch/mips/kernel/smp-mt.c b/arch/mips/kernel/smp-mt.c > index 89e6f6a..31049fc 100644 > --- a/arch/mips/kernel/smp-mt.c > +++ b/arch/mips/kernel/smp-mt.c > @@ -38,8 +38,9 @@ > > #define MIPS_CPU_IPI_RESCHED_IRQ 0 > #define MIPS_CPU_IPI_CALL_IRQ 1 > +#define MIPS_CPU_IPI_CALL_SINGLE_IRQ 2 The smp-mt.c has no chance of working. There are only two hardware interrupts available so just using one more won't quite work. But I like the basic idea of this patch series. Ralf -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
