On Tue, 6 Mar 2012, Jiang Liu wrote: > On x86 and IA64 platforms, interrupt controller chip's irq_set_affinity() > method always copies affinity mask to irq_data->affinity field but still > returns 0(IRQ_SET_MASK_OK). That return value causes the interrupt core > logic unnecessarily copies the mask to irq_data->affinity field again. > So return IRQ_SET_MASK_OK_NOCOPY instead of IRQ_SET_MASK_OK to get rid of > the duplicated copy operation. > > This patch applies to v3.3-rc6 and has been tested on x86 platforms. > > Signed-off-by: Jiang Liu <jiang.liu@xxxxxxxxxx> > --- > arch/ia64/kernel/iosapic.c | 4 +++- > arch/ia64/kernel/msi_ia64.c | 4 ++-- > arch/ia64/sn/kernel/irq.c | 2 +- > arch/ia64/sn/kernel/msi_sn.c | 2 +- > arch/x86/kernel/apic/io_apic.c | 11 ++++++----- > arch/x86/platform/uv/uv_irq.c | 2 +- > kernel/irq/internals.h | 3 +++ > kernel/irq/manage.c | 39 ++++++++++++++++++++++----------------- > kernel/irq/migration.c | 6 +----- This does not work that way. The patch wants to be split in 3 parts (core, x86, ia64). The patches are completely independent. Please resend. Thanks, tglx -- To unsubscribe from this list: send the line "unsubscribe linux-ia64" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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