The patch titled
x86-64: Calgary - get rid of translate_phb
has been removed from the -mm tree. Its filename was
x86-64-calgary-get-rid-of-translate_phb.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
Subject: x86-64: Calgary - get rid of translate_phb
From: Muli Ben-Yehuda <muli@xxxxxxxxxx>
Now that we check for translation enabled/disabled based on the presence of
the IOMMU translation table, we can get rid of translate_phb.
Signed-off-by: Muli Ben-Yehuda <muli@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/x86_64/kernel/pci-calgary.c | 31 ++++++++++++++---------------
1 file changed, 15 insertions(+), 16 deletions(-)
diff -puN arch/x86_64/kernel/pci-calgary.c~x86-64-calgary-get-rid-of-translate_phb arch/x86_64/kernel/pci-calgary.c
--- a/arch/x86/kernel/pci-calgary_64.c~x86-64-calgary-get-rid-of-translate_phb
+++ a/arch/x86/kernel/pci-calgary_64.c
@@ -228,12 +228,6 @@ static inline int translation_enabled(st
return (tbl != NULL);
}
-static inline int translate_phb(struct pci_dev* dev)
-{
- int disabled = bus_info[dev->bus->number].translation_disabled;
- return !disabled;
-}
-
static void iommu_range_reserve(struct iommu_table *tbl,
unsigned long start_addr, unsigned int npages)
{
@@ -1200,7 +1194,7 @@ static int __init calgary_init(void)
{
int ret;
struct pci_dev *dev = NULL;
- void *tce_space;
+ struct calgary_bus_info *info;
ret = calgary_locate_bbars();
if (ret)
@@ -1212,12 +1206,14 @@ static int __init calgary_init(void)
break;
if (!is_cal_pci_dev(dev->device))
continue;
- if (!translate_phb(dev)) {
+
+ info = &bus_info[dev->bus->number];
+ if (info->translation_disabled) {
calgary_init_one_nontraslated(dev);
continue;
}
- tce_space = bus_info[dev->bus->number].tce_space;
- if (!tce_space && !translate_empty_slots)
+
+ if (!info->tce_space && !translate_empty_slots)
continue;
ret = calgary_init_one(dev);
@@ -1235,11 +1231,13 @@ error:
break;
if (!is_cal_pci_dev(dev->device))
continue;
- if (!translate_phb(dev)) {
+
+ info = &bus_info[dev->bus->number];
+ if (info->translation_disabled) {
pci_dev_put(dev);
continue;
}
- if (!bus_info[dev->bus->number].tce_space && !translate_empty_slots)
+ if (!info->tce_space && !translate_empty_slots)
continue;
calgary_disable_translation(dev);
@@ -1552,7 +1550,7 @@ static void __init calgary_fixup_one_tce
static int __init calgary_fixup_tce_spaces(void)
{
struct pci_dev *dev = NULL;
- void *tce_space;
+ struct calgary_bus_info *info;
if (no_iommu || swiotlb || !calgary_detected)
return -ENODEV;
@@ -1565,11 +1563,12 @@ static int __init calgary_fixup_tce_spac
break;
if (!is_cal_pci_dev(dev->device))
continue;
- if (!translate_phb(dev))
+
+ info = &bus_info[dev->bus->number];
+ if (info->translation_disabled)
continue;
- tce_space = bus_info[dev->bus->number].tce_space;
- if (!tce_space)
+ if (!info->tce_space)
continue;
calgary_fixup_one_tce_space(dev);
_
Patches currently in -mm which might be from muli@xxxxxxxxxx are
origin.patch
unify-dma_bit_mask-definitions-v31.patch
intel-iommu-dmar-detection-and-parsing-logic.patch
intel-iommu-pci-generic-helper-function.patch
intel-iommu-clflush_cache_range-now-takes-size-param.patch
intel-iommu-iova-allocation-and-management-routines.patch
intel-iommu-intel-iommu-driver.patch
intel-iommu-avoid-memory-allocation-failures-in-dma-map-api-calls.patch
intel-iommu-intel-iommu-cmdline-option-forcedac.patch
intel-iommu-dmar-fault-handling-support.patch
intel-iommu-iommu-gfx-workaround.patch
intel-iommu-iommu-floppy-workaround.patch
-
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