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authorMuli Ben-Yehuda <muli@il.ibm.com>2006-09-26 10:52:33 +0200
committerAndi Kleen <andi@basil.nowhere.org>2006-09-26 10:52:33 +0200
commit4ccf4ae3144360ab9c00d0b53427f43369287bfb (patch)
tree243d32f93601ba6063809e1961fa222df701b5f9 /arch/x86_64
parent796e4390e0378e1e57c033349610cfc741696a3d (diff)
[PATCH] remove tce_cache_blast_stress()
tce_cache_blast_stress was useful during bringup to stress the IOMMU's cache flushing. Now that we quiesce DMAs on every cache flush, using _stress() brings the machine down to its knees once you put it under load. Remove this debug / bringup code that isn't useful anymore completely. 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>
Diffstat (limited to 'arch/x86_64')
-rw-r--r--arch/x86_64/kernel/pci-calgary.c11
1 files changed, 0 insertions, 11 deletions
diff --git a/arch/x86_64/kernel/pci-calgary.c b/arch/x86_64/kernel/pci-calgary.c
index 7c43cb0f71a..cd866135e4e 100644
--- a/arch/x86_64/kernel/pci-calgary.c
+++ b/arch/x86_64/kernel/pci-calgary.c
@@ -129,11 +129,6 @@ static void tce_cache_blast(struct iommu_table *tbl);
#ifdef CONFIG_IOMMU_DEBUG
int debugging __read_mostly = 1;
-static inline void tce_cache_blast_stress(struct iommu_table *tbl)
-{
- tce_cache_blast(tbl);
-}
-
static inline unsigned long verify_bit_range(unsigned long* bitmap,
int expected, unsigned long start, unsigned long end)
{
@@ -153,10 +148,6 @@ static inline unsigned long verify_bit_range(unsigned long* bitmap,
#else /* debugging is disabled */
int debugging __read_mostly = 0;
-static inline void tce_cache_blast_stress(struct iommu_table *tbl)
-{
-}
-
static inline unsigned long verify_bit_range(unsigned long* bitmap,
int expected, unsigned long start, unsigned long end)
{
@@ -289,8 +280,6 @@ static void __iommu_free(struct iommu_table *tbl, dma_addr_t dma_addr,
}
__clear_bit_string(tbl->it_map, entry, npages);
-
- tce_cache_blast_stress(tbl);
}
static void iommu_free(struct iommu_table *tbl, dma_addr_t dma_addr,