From: Joerg Roedel Date: Mon, 8 Feb 2010 13:44:49 +0000 (+0100) Subject: x86/amd-iommu: Protect IOMMU-API map/unmap path X-Git-Tag: v2.6.34-rc5~13^2^2~2^2~8 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5d214fe6e808a8caa9cb6f610c0190d3f50ac570;p=pandora-kernel.git x86/amd-iommu: Protect IOMMU-API map/unmap path This patch introduces a mutex to lock page table updates in the IOMMU-API path. We can't use the spin_lock here because this patch might sleep. Signed-off-by: Joerg Roedel --- Reading git-diff-tree failed