On Mon, Nov 26, 2012 at 4:36 PM, Li, Zhen-Hua <lizhenhua....@gmail.com> wrote: > Hi all, > I am debugging a bug about iommu recently and got a question > about the function detect_intel_opmmu, Could anybody kindly help me? > > In dmar.c, this function : > void __init detect_intel_iommu(void) > In 2.6.32 and redhat enterprise kernel 2.6.18, it is called by > x86_64 system . But in kernel 3.5.2, it is only needed on IA64 system. > > And my question is: is this function really needed for x86_64 and > i386 in 2.6.32?
Not sure why you think its IA64, its called from the iommu init code in 3.x here. via the IOMMU_INIT_POST macro Dave. > > > Thanks and Regards. > > Li, Zhen-Hua > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majord...@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
