linux-kernel - Re: [PATCH v2 2/3] Update uffd-stress to handle EINVAL for unset config features

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Message-ID: <ZnXv9Kc_Yt4j7YtW@x1n>
Date: Fri, 21 Jun 2024 17:26:12 -0400
From: Peter Xu <peterx@...hat.com>
To: Audra Mitchell <audra@...hat.com>
Cc: viro@...iv.linux.org.uk, brauner@...nel.org, jack@...e.cz,
	aarcange@...hat.com, akpm@...ux-foundation.org,
	rppt@...ux.vnet.ibm.com, shli@...com, linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org, shuah@...nel.org,
	linux-kselftest@...r.kernel.org, raquini@...hat.com
Subject: Re: [PATCH v2 2/3] Update uffd-stress to handle EINVAL for unset
 config features

On Fri, Jun 21, 2024 at 02:12:23PM -0400, Audra Mitchell wrote:
> Now that we have updated userfaultfd_api to correctly return
> EIVAL when a feature is requested but not available, let's fix
> the uffd-stress test to only set the UFFD_FEATURE_WP_UNPOPULATED
> feature when the config is set. In addition, still run the test if
> the CONFIG_PTE_MARKER_UFFD_WP is not set, just dont use the corresponding
> UFFD_FEATURE_WP_UNPOPULATED feature.
> 
> Signed-off-by: Audra Mitchell <audra@...hat.com>

Acked-by: Peter Xu <peterx@...hat.com>

-- 
Peter Xu