Andi,
On Thu, May 31, 2007 at 04:20:38PM +0200, Andi Kleen wrote:
>
> > > Just use a cpu notifier instead. No need to add everybody's per cpu init code here.
> >
> > The code must run on the CPU that is being initialized.
>
> smp_call_function_single()
>
Isn't that more complicated than just adding a hook in cpu_disable()?
> > >
> > > No compat syscalls?
> > >
> > compat syscalls for what? I need to ensure backward compatiblity on IA-64 only.
>
> For 32bit / i386 code.
I's there in ia32entry.S. Was it missing from the E-mail?
In anycase, here it is:
diff --exclude=.git -urp linux-2.6.22.base/arch/x86_64/ia32/ia32entry.S linux-2.6.22/arch/x86_64/ia32/ia32entry.S
--- linux-2.6.22.base/arch/x86_64/ia32/ia32entry.S 2007-05-29 03:17:16.000000000 -0700
+++ linux-2.6.22/arch/x86_64/ia32/ia32entry.S 2007-05-29 03:24:14.000000000 -0700
@@ -719,4 +719,16 @@ ia32_sys_call_table:
.quad compat_sys_signalfd
.quad compat_sys_timerfd
.quad sys_eventfd
+ .quad sys_pfm_create_context
+ .quad sys_pfm_write_pmcs
+ .quad sys_pfm_write_pmds
+ .quad sys_pfm_read_pmds
+ .quad sys_pfm_load_context
+ .quad sys_pfm_start
+ .quad sys_pfm_stop
+ .quad sys_pfm_restart
+ .quad sys_pfm_create_evtsets
+ .quad sys_pfm_getinfo_evtsets
+ .quad sys_pfm_delete_evtsets
+ .quad sys_pfm_unload_context
ia32_syscall_end:
--
-Stephane
-
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