Messages in this thread Patch in this message | | | From | Becky Bruce <> | Subject | [PATCH 04/11] swiotlb: Print physical addr instead of bus addr in info printks | Date | Thu, 18 Dec 2008 23:11:15 -0600 |
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Currently, the bus address is printed, but the physical address makes more sense in the context of the overall iotlb, and on some platforms we need a hwdev pointer to determine a bus address, which we don't have at the time of these printks.
Signed-off-by: Becky Bruce <beckyb@kernel.crashing.org> --- lib/swiotlb.c | 13 ++++++++----- 1 files changed, 8 insertions(+), 5 deletions(-)
diff --git a/lib/swiotlb.c b/lib/swiotlb.c index add1f92..ef09b4c 100644 --- a/lib/swiotlb.c +++ b/lib/swiotlb.c @@ -167,8 +167,10 @@ swiotlb_init_with_default_size(size_t default_size) if (!io_tlb_overflow_buffer) panic("Cannot allocate SWIOTLB overflow buffer!\n"); - printk(KERN_INFO "Placing software IO TLB between 0x%lx - 0x%lx\n", - virt_to_bus(io_tlb_start), virt_to_bus(io_tlb_end)); + printk(KERN_INFO "Placing software IO TLB between cpu physical " + "0x%llx - 0x%llx\n", + (unsigned long long)virt_to_phys(io_tlb_start), + (unsigned long long)virt_to_phys(io_tlb_end)); } void __init @@ -249,9 +251,10 @@ swiotlb_late_init_with_default_size(size_t default_size) if (!io_tlb_overflow_buffer) goto cleanup4; - printk(KERN_INFO "Placing %luMB software IO TLB between 0x%lx - " - "0x%lx\n", bytes >> 20, - virt_to_bus(io_tlb_start), virt_to_bus(io_tlb_end)); + printk(KERN_INFO "Placing %luMB software IO TLB between cpu physical " + "0x%llx - 0x%llx\n", bytes >> 20, + (unsigned long long)virt_to_phys(io_tlb_start), + (unsigned long long)virt_to_phys(io_tlb_end)); return 0; -- 1.5.6.5
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