Re: [PATCH v4 1/5] mm: add ARCH_SUPPORTS_NON_LEAF_PTDUMP

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On Wed, Jun 19, 2024 at 08:44:21AM GMT, LEROY Christophe wrote:
> Le 18/06/2024 à 21:41, Maxwell Bland a écrit :
> > On Tue, Jun 18, 2024 at 06:38:24PM GMT, LEROY Christophe wrote:
> >> Le 18/06/2024 à 16:40, Maxwell Bland a écrit :
> >> Don't you mean pmd_leaf() here instead of pgd_leaf() ?
> > thank you for catching these, will fix in v5.
> 
> Maybe we could have a nicer code with something like:
> 
> static inline bool has_non_leaf_ptdump()
> {
> 	return IS_ENABLED(CONFIG_ARCH_SUPPORTS_NON_LEAF_PTDUMP);
> }
> 
> static int ptdump_p4d_entry(...)
> {
> 	...
> 	if (has_non_leaf_ptdump() || pgd_leaf(val))
> 		...
> }

Hi Christophe, nice, thank you! I incorporated this critique as well.

Forward pointer to v5:
https://lore.kernel.org/all/2bcb3htsjhepxdybpw2bwot2jnuezl3p5mnj5rhjwgitlsufe7@xzhkyntridw3/#t

Maxwell 




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