git: 24a3897c2c32 - main - x86 bounce_bus_dmamem_alloc(): use malloc_aligned() only when possible

Shawn Webb shawn.webb at hardenedbsd.org
Sat Sep 25 13:18:02 UTC 2021


On Sat, Sep 25, 2021 at 01:11:31PM +0000, Konstantin Belousov wrote:
> The branch main has been updated by kib:
> 
> URL: https://cgit.FreeBSD.org/src/commit/?id=24a3897c2c3205c2ec0cf323c555c403d3171e2c
> 
> commit 24a3897c2c3205c2ec0cf323c555c403d3171e2c
> Author:     Konstantin Belousov <kib at FreeBSD.org>
> AuthorDate: 2021-09-24 17:46:47 +0000
> Commit:     Konstantin Belousov <kib at FreeBSD.org>
> CommitDate: 2021-09-25 12:58:12 +0000
> 
>     x86 bounce_bus_dmamem_alloc(): use malloc_aligned() only when possible
>     
>     malloc_domainset_aligned() requires that alignment is less than
>     page size. Fall back to other allocation methods, most likely
>     kmem_alloc_contig(), when malloc_aligned() cannot fullfill the driver
>     request.
>     
>     Reported by:    Loic F <loic.f at hardenedbsd.org>
>     Reviewed by:    markj
>     Sponsored by:   The FreeBSD Foundation
>     MFC after:      1 week
>     Differential revision:  https://reviews.freebsd.org/D32127

Wrong Differential revision URL? The patch in the URL doesn't match
what was committed here.

Thanks,

-- 
Shawn Webb
Cofounder / Security Engineer
HardenedBSD

https://git.hardenedbsd.org/hardenedbsd/pubkeys/-/raw/master/Shawn_Webb/03A4CBEBB82EA5A67D9F3853FF2E67A277F8E1FA.pub.asc
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