[lkml]   [2011]   [Aug]   [29]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
    SubjectRe: [PATCH] iommu: Remove stub functions for !CONFIG_IOMMU_API
    On Mon, Aug 29, 2011 at 08:55:40AM -0400, Ohad Ben-Cohen wrote:
    > On Mon, Aug 29, 2011 at 3:25 PM, Roedel, Joerg <> wrote:
    > > Right, when the system has an iommu then the iommu-api is the right
    > > choice to do that. But how to you handle this on systems without an
    > > iommu?
    > On iommu-less systems this is completely moot, as the remote processor
    > can access the bus directly, and thus doesn't need any iommu
    > configuration to take place before it boots.
    > So in case there is an iommu - we configure it appropriately, and if
    > there isn't, we just skip that part.

    So in this case you can skip this whole part when CONFIG_IOMMU_API is
    disabled (just don't compile the code in that requires the iommu-api).
    This saves you even more .text size, no?


    AMD Operating System Research Center

    Advanced Micro Devices GmbH Einsteinring 24 85609 Dornach
    General Managers: Alberto Bozzo, Andrew Bowd
    Registration: Dornach, Landkr. Muenchen; Registerger. Muenchen, HRB Nr. 43632

     \ /
      Last update: 2011-08-29 15:11    [W:0.024 / U:296.816 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site