Le 20/04/2017 à 13:25, Michael Ellerman a écrit :
David Laight writes:
From: Christophe Leroy
By default, PPC8xx PINs an ITLB on the first 8M of memory in order
to avoid any ITLB miss on kernel code.
However, with some debug functions like DEBUG_PAGEALLOC and
(soon
David Laight writes:
> From: Christophe Leroy
>> By default, PPC8xx PINs an ITLB on the first 8M of memory in order
>> to avoid any ITLB miss on kernel code.
>> However, with some debug functions like DEBUG_PAGEALLOC and
>> (soon to come) DEBUG_RODATA, the PINned TLB is
From: Christophe Leroy
> By default, PPC8xx PINs an ITLB on the first 8M of memory in order
> to avoid any ITLB miss on kernel code.
> However, with some debug functions like DEBUG_PAGEALLOC and
> (soon to come) DEBUG_RODATA, the PINned TLB is invalidated soon
> after startup so ITLB missed start