Re: [PATCH] powerpc/8xx: Map a second 8M text page at startup when needed.

2018-12-20 Thread Christophe Leroy
Le 20/12/2018 à 09:24, Christoph Hellwig a écrit : On Thu, Dec 20, 2018 at 05:48:25AM +, Christophe Leroy wrote: Some debug setup like CONFIG_KASAN generate huge kernels with text size over the 8M limit. This patch maps a second 8M page when _einittext is over 8M. Do we also need a che

Re: [PATCH] powerpc/8xx: Map a second 8M text page at startup when needed.

2018-12-20 Thread Christoph Hellwig
On Thu, Dec 20, 2018 at 05:48:25AM +, Christophe Leroy wrote: > Some debug setup like CONFIG_KASAN generate huge > kernels with text size over the 8M limit. > > This patch maps a second 8M page when _einittext is over 8M. Do we also need a check to generate a useful warning if we ever overflo

[PATCH] powerpc/8xx: Map a second 8M text page at startup when needed.

2018-12-19 Thread Christophe Leroy
Some debug setup like CONFIG_KASAN generate huge kernels with text size over the 8M limit. This patch maps a second 8M page when _einittext is over 8M. Signed-off-by: Christophe Leroy --- arch/powerpc/kernel/head_8xx.S | 27 +-- arch/powerpc/mm/8xx_mmu.c | 4