[PATCH] print whether CONFIG_IOMMU_DEBUG is enabled
Signed-off-by: Muli Ben-Yehuda <muli@il.ibm.com> Signed-off-by: Jon Mason <jdmason@us.ibm.com> Signed-off-by: Andi Kleen <ak@suse.de>
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1 changed files with 10 additions and 4 deletions
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@ -127,15 +127,19 @@ static void tce_cache_blast(struct iommu_table *tbl);
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/* enable this to stress test the chip's TCE cache */
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#ifdef CONFIG_IOMMU_DEBUG
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int debugging __read_mostly = 1;
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static inline void tce_cache_blast_stress(struct iommu_table *tbl)
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{
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tce_cache_blast(tbl);
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}
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#else
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#else /* debugging is disabled */
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int debugging __read_mostly = 0;
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static inline void tce_cache_blast_stress(struct iommu_table *tbl)
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{
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}
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#endif /* BLAST_TCE_CACHE_ON_UNMAP */
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#endif /* CONFIG_IOMMU_DEBUG */
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static inline unsigned int num_dma_pages(unsigned long dma, unsigned int dmalen)
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{
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@ -944,8 +948,10 @@ void __init detect_calgary(void)
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if (calgary_found) {
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iommu_detected = 1;
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calgary_detected = 1;
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printk(KERN_INFO "PCI-DMA: Calgary IOMMU detected. "
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"TCE table spec is %d.\n", specified_table_size);
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printk(KERN_INFO "PCI-DMA: Calgary IOMMU detected.\n");
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printk(KERN_INFO "PCI-DMA: Calgary TCE table spec is %d, "
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"CONFIG_IOMMU_DEBUG is %s.\n", specified_table_size,
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debugging ? "enabled" : "disabled");
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}
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return;
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