From: Juergen Gross <jgross@suse.com>
To: Stefano Stabellini <sstabellini@kernel.org>, boris.ostrovsky@oracle.com
Cc: xen-devel@lists.xenproject.org,
Stefano Stabellini <stefano.stabellini@xilinx.com>
Subject: Re: [PATCH v3] xen/arm: introduce XENFEAT_direct_mapped and XENFEAT_not_direct_mapped
Date: Fri, 23 Apr 2021 11:36:11 +0200 [thread overview]
Message-ID: <56cf75d3-bac9-8697-b4b6-0745cdd4edfc@suse.com> (raw)
In-Reply-To: <20210319200140.12512-1-sstabellini@kernel.org>
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On 19.03.21 21:01, Stefano Stabellini wrote:
> From: Stefano Stabellini <stefano.stabellini@xilinx.com>
>
> Newer Xen versions expose two Xen feature flags to tell us if the domain
> is directly mapped or not. Only when a domain is directly mapped it
> makes sense to enable swiotlb-xen on ARM.
>
> Introduce a function on ARM to check the new Xen feature flags and also
> to deal with the legacy case. Call the function xen_swiotlb_detect.
>
> Signed-off-by: Stefano Stabellini <stefano.stabellini@xilinx.com>
Pushed to xen/tip.git for-linus-5.13
Juergen
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prev parent reply other threads:[~2021-04-23 9:36 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-19 20:01 [PATCH v3] xen/arm: introduce XENFEAT_direct_mapped and XENFEAT_not_direct_mapped Stefano Stabellini
2021-03-19 23:00 ` Boris Ostrovsky
2021-04-23 9:36 ` Juergen Gross [this message]
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