Re: [PATCH] powerpc/32: Move entry_32 functions just after HEAD functions.

2017-04-20 Thread Christophe LEROY
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

RE: [PATCH] powerpc/32: Move entry_32 functions just after HEAD functions.

2017-04-20 Thread Michael Ellerman
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

RE: [PATCH] powerpc/32: Move entry_32 functions just after HEAD functions.

2017-04-19 Thread David Laight
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