On 10/08/2013 01:16 PM, Vineet Gupta wrote: > Hi, > > When debugging a ARC SMP 3.11 build failure due to a ST insn dealing with > task_struct.thread going out of range, I spotted @fpu_counter in task_struct > which only SH/x86 happen to use, and can be easily moved out into corresponding > ARCH specific thread_struct. This saves 4 bytes per task_struct instantiated, > for all the other 18 arches. > > While the change is relatively strightforward, I've failed to connect with > SH arch folks / Paul Mundt, latter's SH email keeps bouncing back. > Hence I'm taking the liberty to use his alternate email (as listed on his > github page) and I appologize in advance if this causes any inconvenience. > > Changes in v2: > - Rabased to 3.12-rc4 > - Added ACK from Ingo on patch 2/3 > > Version 1 can be found here: > https://lkml.org/lkml/2013/9/17/49 > > Thx, > -Vineet > > > Vineet Gupta (3): > sh: Move fpu_counter into ARCH specific thread_struct > x86: Move fpu_counter into ARCH specific thread_struct > sched: Remove ARCH specific fpu_counter from task_struct > > arch/sh/include/asm/fpu.h | 2 +- > arch/sh/include/asm/processor_32.h | 10 ++++++++++ > arch/sh/include/asm/processor_64.h | 10 ++++++++++ > arch/sh/kernel/cpu/fpu.c | 2 +- > arch/sh/kernel/process_32.c | 6 +++--- > arch/x86/include/asm/fpu-internal.h | 10 +++++----- > arch/x86/include/asm/processor.h | 9 +++++++++ > arch/x86/kernel/i387.c | 2 +- > arch/x86/kernel/process_32.c | 4 ++-- > arch/x86/kernel/process_64.c | 2 +- > arch/x86/kernel/traps.c | 2 +- > include/linux/sched.h | 9 --------- > 12 files changed, 44 insertions(+), 24 deletions(-) > Ingo, Andrew - do you think this series can be merged for 3.13. Is there anything else I need to do here. -Vineet -- 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
