From: Shaohua Li <s...@fb.com> I made a mistake in commit bfd20f1. We should skip the force on with the option enabled instead of vice versa. Not sure why this passed our performance test, sorry.
Fix: bfd20f1(x86, iommu/vt-d: Add an option to disable Intel IOMMU force on) Signed-off-by: Shaohua Li <s...@fb.com> --- arch/x86/kernel/tboot.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/tboot.c b/arch/x86/kernel/tboot.c index 4b17240..a4eb279 100644 --- a/arch/x86/kernel/tboot.c +++ b/arch/x86/kernel/tboot.c @@ -514,7 +514,7 @@ int tboot_force_iommu(void) if (!tboot_enabled()) return 0; - if (!intel_iommu_tboot_noforce) + if (intel_iommu_tboot_noforce) return 1; if (no_iommu || swiotlb || dmar_disabled) -- 2.9.3 _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu