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Date: Wed, 10 Apr 2013 10:57:31 -0500 From: <suravee.suthikulpanit@....com> To: <iommu@...ts.linux-foundation.org>, <joro@...tes.org> CC: <linux-kernel@...r.kernel.org>, Suravee Suthikulpanit <suravee.suthikulpanit@....com> Subject: [PATCH 1/2] iommu/amd: Adding new command line option "amd-iommu=verbose" From: Suravee Suthikulpanit <suravee.suthikulpanit@....com> Adding new command line option "amd-iommu=verbose" to allow verbose print out in dmesg. Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@....com> --- drivers/iommu/amd_iommu_init.c | 4 ++++ drivers/iommu/amd_iommu_types.h | 2 ++ 2 files changed, 6 insertions(+) diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c index e3c2d74..1c8770e 100644 --- a/drivers/iommu/amd_iommu_init.c +++ b/drivers/iommu/amd_iommu_init.c @@ -157,6 +157,8 @@ bool amd_iommu_v2_present __read_mostly; bool amd_iommu_force_isolation __read_mostly; +bool amd_iommu_verbose __read_mostly; + /* * List of protection domains - used during resume */ @@ -2092,6 +2094,8 @@ static int __init parse_amd_iommu_options(char *str) amd_iommu_disabled = true; if (strncmp(str, "force_isolation", 15) == 0) amd_iommu_force_isolation = true; + if (strncmp(str, "verbose", 7) == 0) + amd_iommu_verbose = true; } return 1; diff --git a/drivers/iommu/amd_iommu_types.h b/drivers/iommu/amd_iommu_types.h index e38ab43..9ade4f9 100644 --- a/drivers/iommu/amd_iommu_types.h +++ b/drivers/iommu/amd_iommu_types.h @@ -694,6 +694,8 @@ extern bool amd_iommu_v2_present; extern bool amd_iommu_force_isolation; +extern bool amd_iommu_verbose; + /* Max levels of glxval supported */ extern int amd_iommu_max_glx_val; -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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