Re: [PATCH] CHECK_IRQ_PER_CPU() to avoid dead code in __do_IRQ()

2005-08-09 Thread Zwane Mwaikambo
On Mon, 8 Aug 2005, Alexander Nyberg wrote: > > IRQ_PER_CPU is not used by all architectures. > > This patch introduces the macros > > ARCH_HAS_IRQ_PER_CPU and CHECK_IRQ_PER_CPU() to avoid the generation of > > dead code in __do_IRQ(). > > > > ARCH_HAS_IRQ_PER_CPU is defined by architectures usin

Re: [PATCH] CHECK_IRQ_PER_CPU() to avoid dead code in __do_IRQ()

2005-08-08 Thread Zachary Amsden
Karsten Wiese wrote: Am Montag, 8. August 2005 13:19 schrieb Alexander Nyberg: There are many places where one could replace run-time tests with #ifdef's but it makes reading more difficult (and in longer terms maintainence). Have you benchmarked any workload that benefits from this?

Re: [PATCH] CHECK_IRQ_PER_CPU() to avoid dead code in __do_IRQ()

2005-08-08 Thread Karsten Wiese
Am Montag, 8. August 2005 13:19 schrieb Alexander Nyberg: > > There are many places where one could replace run-time tests with > #ifdef's but it makes reading more difficult (and in longer terms > maintainence). Have you benchmarked any workload that benefits > from this? Performance gain is s

Re: [PATCH] CHECK_IRQ_PER_CPU() to avoid dead code in __do_IRQ()

2005-08-08 Thread Alexander Nyberg
> > IRQ_PER_CPU is not used by all architectures. > This patch introduces the macros > ARCH_HAS_IRQ_PER_CPU and CHECK_IRQ_PER_CPU() to avoid the generation of > dead code in __do_IRQ(). > > ARCH_HAS_IRQ_PER_CPU is defined by architectures using > IRQ_PER_CPU in their > include/asm_ARCH/ir