From: Christoph Hellwig <hch-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>
To: Tom Murphy <tmurphy-nzgTgzXrdUbQT0dZR+AlfA@public.gmane.org>
Cc: linux-samsung-soc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Heiko Stuebner <heiko-4mtYJXux2i+zQB+pC5nmwQ@public.gmane.org>,
dima-nzgTgzXrdUbQT0dZR+AlfA@public.gmane.org,
Marc Zyngier <marc.zyngier-5wv7dgnIgG8@public.gmane.org>,
linux-arm-msm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Will Deacon <will.deacon-5wv7dgnIgG8@public.gmane.org>,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Krzysztof Kozlowski
<krzk-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
David Brown <david.brown-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org,
Kukjin Kim <kgene-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
linux-mediatek-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
murphyt7-/Zw1syy4LHg@public.gmane.org,
Andy Gross <andy.gross-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
linux-rockchip-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
Thomas Gleixner <tglx-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org>,
Robin Murphy <robin.murphy-5wv7dgnIgG8@public.gmane.org>,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
Matthias Brugger
<matthias.bgg-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Subject: Re: [PATCH 5/9] iommu/amd: Implement .flush_np_cache
Date: Sun, 14 Apr 2019 23:33:51 -0700 [thread overview]
Message-ID: <20190415063351.GD1377@infradead.org> (raw)
In-Reply-To: <20190411184741.27540-6-tmurphy-nzgTgzXrdUbQT0dZR+AlfA@public.gmane.org>
> +static void amd_iommu_flush_np_cache(struct iommu_domain *domain,
> + unsigned long iova, size_t size)
> +{
> + struct protection_domain *dom = to_pdomain(domain);
> +
> + if (unlikely(amd_iommu_np_cache)) {
Is this case really so unlikely that it needs a static branch prediction
hint?
next prev parent reply other threads:[~2019-04-15 6:33 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-11 18:47 [PATCH 0/9] iommu/amd: Convert the AMD iommu driver to the dma-iommu api Tom Murphy
2019-04-11 18:47 ` [PATCH 1/9] iommu/dma-iommu: Add iommu_map_atomic Tom Murphy
[not found] ` <20190411184741.27540-2-tmurphy-nzgTgzXrdUbQT0dZR+AlfA@public.gmane.org>
2019-04-15 6:30 ` Christoph Hellwig
2019-04-11 18:47 ` [PATCH 2/9] iommu/dma-iommu: Add function to flush any cached not present IOTLB entries Tom Murphy
2019-04-16 14:00 ` Robin Murphy
[not found] ` <82ce70dc-b370-3bb0-bce8-2d32db4d6a0d-5wv7dgnIgG8@public.gmane.org>
2019-04-16 16:40 ` Tom Murphy via iommu
2019-04-11 18:47 ` [PATCH 3/9] iommu/dma-iommu: Add iommu_dma_copy_reserved_iova, iommu_dma_apply_resv_region to the dma-iommu api Tom Murphy
[not found] ` <20190411184741.27540-4-tmurphy-nzgTgzXrdUbQT0dZR+AlfA@public.gmane.org>
2019-04-15 6:31 ` Christoph Hellwig
2019-04-16 13:22 ` Tom Murphy
2019-04-16 13:37 ` Robin Murphy
2019-04-11 18:47 ` [PATCH 4/9] iommu/dma-iommu: Add iommu_dma_map_page_coherent Tom Murphy
2019-04-15 6:33 ` Christoph Hellwig
2019-04-11 18:47 ` [PATCH 5/9] iommu/amd: Implement .flush_np_cache Tom Murphy
[not found] ` <20190411184741.27540-6-tmurphy-nzgTgzXrdUbQT0dZR+AlfA@public.gmane.org>
2019-04-15 6:33 ` Christoph Hellwig [this message]
2019-04-15 18:18 ` Tom Murphy
2019-04-11 18:47 ` [PATCH 6/9] iommu/amd: Implement map_atomic Tom Murphy
2019-04-16 14:13 ` Robin Murphy
2019-04-11 18:47 ` [PATCH 7/9] iommu/amd: Use the dma-iommu api Tom Murphy
2019-04-11 18:47 ` [PATCH 8/9] iommu/amd: Clean up unused functions Tom Murphy
[not found] ` <20190411184741.27540-9-tmurphy-nzgTgzXrdUbQT0dZR+AlfA@public.gmane.org>
2019-04-15 6:22 ` Christoph Hellwig
2019-04-11 18:47 ` [PATCH 9/9] iommu/amd: Add allocated domain to global list earlier Tom Murphy
[not found] ` <20190411184741.27540-10-tmurphy-nzgTgzXrdUbQT0dZR+AlfA@public.gmane.org>
2019-04-15 6:23 ` Christoph Hellwig
2019-04-15 18:06 ` Tom Murphy
[not found] ` <20190411184741.27540-1-tmurphy-nzgTgzXrdUbQT0dZR+AlfA@public.gmane.org>
2019-04-15 6:18 ` [PATCH 0/9] iommu/amd: Convert the AMD iommu driver to the dma-iommu api Christoph Hellwig
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