Re: [PATCH] powerpc/32s: fix boot failure with DEBUG_PAGEALLOC without KASAN.

[Jonathan Neuschäfer]

On Wed, Aug 14, 2019 at 05:28:35AM +, Christophe Leroy wrote:
> When KASAN is selected, the definitive hash table has to be
> set up later, but there is already an early temporary one.
> 
> When KASAN is not selected, there is no early hash table,
> so the setup of the definitive hash table cannot be delayed.
> 
> Reported-by: Jonathan Neuschafer 
> Fixes: 72f208c6a8f7 ("powerpc/32s: move hash code patching out of 
> MMU_init_hw()")
> Signed-off-by: Christophe Leroy 
> ---

Thanks. This does fix the DEBUG_PAGEALLOC-without-KASAN case.

Tested-by: Jonathan Neuschafer 


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Re: [PATCH] powerpc/32s: fix boot failure with DEBUG_PAGEALLOC without KASAN.

[Christoph Hellwig]

On Wed, Aug 14, 2019 at 05:28:35AM +, Christophe Leroy wrote:
> When KASAN is selected, the definitive hash table has to be
> set up later, but there is already an early temporary one.
> 
> When KASAN is not selected, there is no early hash table,
> so the setup of the definitive hash table cannot be delayed.

I think you also want to add this information to the code itself
as comments..