Re: [PATCH v2 4/4] drm/xe: switch xe_pagefault_queue_init() to using bitmap_weighted_or()

Tony Nguyen
2026-03-05T22:41:03Z

On 3/4/2026 3:43 AM, Simon Horman wrote:
> On Sun, Mar 01, 2026 at 08:11:58PM -0500, Yury Norov wrote:
>> The function calls bitmap_or() immediately followed by bitmap_weight().
>> Switch to using the dedicated bitmap_weighted_or() and save one bitmap
>> traverse.
>>
>> Signed-off-by: Yury Norov <ynorov@nvidia.com>
>
> It's not entirely clear to me why this patch is included in a patchset
> for the ice driver.
>
> And it's also not clear to me why, but allmodconfigs - fo4 at least x86_32
> and x86_64 - fail with this patch applied to net-next [1].
>
> ERROR: modpost: "__bitmap_weighted_or" [drivers/gpu/drm/xe/xe.ko] undefined!
>
> [1] 2b12ffb66955 ("net: mana: Trigger VF reset/recovery on health check failure due to HWC timeout")

I'm also seeing the same error and no apparent reason. Since this
doesn't seem dependent on the others, I'll take the other 3 and this can
get sent/resolved separately.

Thanks,
Tony