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| author | Muli Ben-Yehuda <muli@il.ibm.com> | 2006-09-26 10:52:33 +0200 |
|---|---|---|
| committer | Andi Kleen <andi@basil.nowhere.org> | 2006-09-26 10:52:33 +0200 |
| commit | 4ccf4ae3144360ab9c00d0b53427f43369287bfb (patch) | |
| tree | 243d32f93601ba6063809e1961fa222df701b5f9 /arch | |
| parent | 796e4390e0378e1e57c033349610cfc741696a3d (diff) | |
| download | kernel_samsung_smdk4412-4ccf4ae3144360ab9c00d0b53427f43369287bfb.zip kernel_samsung_smdk4412-4ccf4ae3144360ab9c00d0b53427f43369287bfb.tar.gz kernel_samsung_smdk4412-4ccf4ae3144360ab9c00d0b53427f43369287bfb.tar.bz2 | |
[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')
| -rw-r--r-- | arch/x86_64/kernel/pci-calgary.c | 11 |
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 7c43cb0..cd86613 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, |