Chuck,
On Thu, Jun 15, 2006 at 11:00:01PM -0400, Chuck Ebbert wrote:
> >
> > diff -ur linux-2.6.17-rc6.orig/arch/i386/kernel/apic.c linux-2.6.17-rc6/arch/i386/kernel/apic.c
> > --- linux-2.6.17-rc6.orig/arch/i386/kernel/apic.c 2006-06-08 01:42:30.000000000 -0700
> > +++ linux-2.6.17-rc6/arch/i386/kernel/apic.c 2006-06-08 01:49:22.000000000 -0700
> > @@ -27,6 +27,7 @@
> > #include <linux/sysdev.h>
> > #include <linux/cpu.h>
> > #include <linux/module.h>
> > +#include <linux/perfmon.h>
> >
> > #include <asm/atomic.h>
> > #include <asm/smp.h>
> > @@ -1179,6 +1180,8 @@
> > update_process_times(user_mode_vm(regs));
> > #endif
> >
> > + pfm_handle_switch_timeout();
> > +
> > /*
> > * We take the 'long' return path, and there every subsystem
> > * grabs the apropriate locks (kernel lock/ irq lock).
>
> Please add '-p' to your diff options. It makes it easier to see what is
> happening.
>
Will do for next patch. This is indeed a very useful option I did not know about.
> > diff -ur linux-2.6.17-rc6.orig/arch/i386/kernel/syscall_table.S linux-2.6.17-rc6/arch/i386/kernel/syscall_table.S
> > --- linux-2.6.17-rc6.orig/arch/i386/kernel/syscall_table.S 2006-06-08 01:42:30.000000000 -0700
> > +++ linux-2.6.17-rc6/arch/i386/kernel/syscall_table.S 2006-06-08 01:50:27.000000000 -0700
> > @@ -316,3 +316,15 @@
> > .long sys_sync_file_range
> > .long sys_tee /* 315 */
> > .long sys_vmsplice
> > + .long sys_pfm_create_context
> > + .long sys_pfm_write_pmcs
> > + .long sys_pfm_write_pmds
> > + .long sys_pfm_read_pmds /* 320 */
> > + .long sys_pfm_load_context
> > + .long sys_pfm_start
> > + .long sys_pfm_stop
> > + .long sys_pfm_restart
> > + .long sys_pfm_create_evtsets /* 325 */
> > + .long sys_pfm_getinfo_evtsets
> > + .long sys_pfm_delete_evtsets
> > + .long sys_pfm_unload_context
>
> I think there are seven spaces plus a tab here for the first 11 new
> syscalls? (You won't be able to tell from my quote because my mail
> program mangles quoted text.)
>
I fixed that now.
> >
> > <...>
> >
> > --- linux-2.6.17-rc6.orig/include/asm-i386/unistd.h 2006-06-08 01:42:35.000000000 -0700
> > +++ linux-2.6.17-rc6/include/asm-i386/unistd.h 2006-06-08 01:49:22.000000000 -0700
> > @@ -322,8 +322,19 @@
> > #define __NR_sync_file_range 314
> > #define __NR_tee 315
> > #define __NR_vmsplice 316
> > +#define __NR_pfm_create_context 317
> > +#define __NR_pfm_write_pmcs (__NR_pfm_create_context+1)
> > +#define __NR_pfm_write_pmds (__NR_pfm_create_context+2)
> > +#define __NR_pfm_read_pmds (__NR_pfm_create_context+3)
> > +#define __NR_pfm_load_context (__NR_pfm_create_context+4)
> > +#define __NR_pfm_start (__NR_pfm_create_context+5)
> > +#define __NR_pfm_stop (__NR_pfm_create_context+6)
> > +#define __NR_pfm_restart (__NR_pfm_create_context+7)
> > +#define __NR_pfm_create_evtsets (__NR_pfm_create_context+8)
> > +#define __NR_pfm_getinfo_evtsets (__NR_pfm_create_context+9)
> > +#define __NR_pfm_delete_evtsets (__NR_pfm_create_context+10)
> >
> > -#define NR_syscalls 317
> > +#define NR_syscalls 329
> >
> > /*
> > * user-visible error numbers are in the range -1 - -128: see
>
> You missed __NR_pfm_unload_context.
>
I think, I dropped the line when I edit the patch to make it fit lkml limitations. The line
is there is the actual patch.
Thanks for your review.
--
-Stephane
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