AcoSail/kernel_optimize_test
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[PATCH] print whether CONFIG_IOMMU_DEBUG is enabled

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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>
This commit is contained in:
Muli Ben-Yehuda 2006-09-26 10:52:33 +02:00 committed by Andi Kleen
parent 2ade2920dc
commit de684652f3
1 changed files with 10 additions and 4 deletions
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14
arch/x86_64/kernel/pci-calgary.c
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@ -127,15 +127,19 @@ static void tce_cache_blast(struct iommu_table *tbl);
/* enable this to stress test the chip's TCE cache */
#ifdef CONFIG_IOMMU_DEBUG
int debugging __read_mostly = 1;
static inline void tce_cache_blast_stress(struct iommu_table *tbl)
{
tce_cache_blast(tbl);
}
#else
#else /* debugging is disabled */
int debugging __read_mostly = 0;
static inline void tce_cache_blast_stress(struct iommu_table *tbl)
{
}
#endif /* BLAST_TCE_CACHE_ON_UNMAP */
#endif /* CONFIG_IOMMU_DEBUG */
static inline unsigned int num_dma_pages(unsigned long dma, unsigned int dmalen)
{
@ -944,8 +948,10 @@ void __init detect_calgary(void)
if (calgary_found) {
iommu_detected = 1;
calgary_detected = 1;
printk(KERN_INFO "PCI-DMA: Calgary IOMMU detected. "
"TCE table spec is %d.\n", specified_table_size);
printk(KERN_INFO "PCI-DMA: Calgary IOMMU detected.\n");
printk(KERN_INFO "PCI-DMA: Calgary TCE table spec is %d, "
"CONFIG_IOMMU_DEBUG is %s.\n", specified_table_size,
debugging ? "enabled" : "disabled");
}
return;