From: Joerg Roedel <joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
To: Hiroshi Doyu <hdoyu-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
Cc: linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org
Subject: Re: [PATCH 1/3] iommu/tegra: smmu: Remove unnecessary PTC/TLB flush all
Date: Wed, 28 Nov 2012 20:40:30 +0100 [thread overview]
Message-ID: <20121128194030.GF30633@8bytes.org> (raw)
In-Reply-To: <1354110775-11810-1-git-send-email-hdoyu-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
On Wed, Nov 28, 2012 at 03:52:53PM +0200, Hiroshi Doyu wrote:
> smmu_flush_regs() does TLB/PTC flush all when freeing a second level
> page table. This isn't necessay at all since each pte entry has been
> already maintained by address in the above flush_ptc_and_tlb().
>
> Signed-off-by: Hiroshi Doyu <hdoyu-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
Applied, thanks.
prev parent reply other threads:[~2012-11-28 19:40 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-11-28 13:52 [PATCH 1/3] iommu/tegra: smmu: Remove unnecessary PTC/TLB flush all Hiroshi Doyu
[not found] ` <1354110775-11810-1-git-send-email-hdoyu-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2012-11-28 13:52 ` [PATCH 2/3] iommu/tegra: gart: Move bus_set_iommu after probe for multi arch Hiroshi Doyu
2012-11-28 13:52 ` [PATCH 3/3] iommu/tegra: smmu: " Hiroshi Doyu
[not found] ` <1354110775-11810-3-git-send-email-hdoyu-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2012-11-30 5:07 ` Mark Zhang
2012-11-28 19:40 ` Joerg Roedel [this message]
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