Commit adcc5726 authored by Kees Cook's avatar Kees Cook Committed by Greg Kroah-Hartman

swiotlb: clean up reporting

commit 7d63fb3af87aa67aa7d24466e792f9d7c57d8e79 upstream.

This removes needless use of '%p', and refactors the printk calls to
use pr_*() helpers instead.
Signed-off-by: default avatarKees Cook <keescook@chromium.org>
Reviewed-by: default avatarKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
[bwh: Backported to 4.9:
 - Adjust filename
 - Remove "swiotlb: " prefix from an additional log message]
Signed-off-by: default avatarBen Hutchings <ben.hutchings@codethink.co.uk>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent cb101349
......@@ -17,6 +17,8 @@
* 08/12/11 beckyb Add highmem support
*/
#define pr_fmt(fmt) "software IO TLB: " fmt
#include <linux/cache.h>
#include <linux/dma-mapping.h>
#include <linux/mm.h>
......@@ -147,20 +149,16 @@ static bool no_iotlb_memory;
void swiotlb_print_info(void)
{
unsigned long bytes = io_tlb_nslabs << IO_TLB_SHIFT;
unsigned char *vstart, *vend;
if (no_iotlb_memory) {
pr_warn("software IO TLB: No low mem\n");
pr_warn("No low mem\n");
return;
}
vstart = phys_to_virt(io_tlb_start);
vend = phys_to_virt(io_tlb_end);
printk(KERN_INFO "software IO TLB [mem %#010llx-%#010llx] (%luMB) mapped at [%p-%p]\n",
pr_info("mapped [mem %#010llx-%#010llx] (%luMB)\n",
(unsigned long long)io_tlb_start,
(unsigned long long)io_tlb_end,
bytes >> 20, vstart, vend - 1);
bytes >> 20);
}
int __init swiotlb_init_with_tbl(char *tlb, unsigned long nslabs, int verbose)
......@@ -234,7 +232,7 @@ swiotlb_init(int verbose)
if (io_tlb_start)
memblock_free_early(io_tlb_start,
PAGE_ALIGN(io_tlb_nslabs << IO_TLB_SHIFT));
pr_warn("Cannot allocate SWIOTLB buffer");
pr_warn("Cannot allocate buffer");
no_iotlb_memory = true;
}
......@@ -276,8 +274,8 @@ swiotlb_late_init_with_default_size(size_t default_size)
return -ENOMEM;
}
if (order != get_order(bytes)) {
printk(KERN_WARNING "Warning: only able to allocate %ld MB "
"for software IO TLB\n", (PAGE_SIZE << order) >> 20);
pr_warn("only able to allocate %ld MB\n",
(PAGE_SIZE << order) >> 20);
io_tlb_nslabs = SLABS_PER_PAGE << order;
}
rc = swiotlb_late_init_with_tbl(vstart, io_tlb_nslabs);
......@@ -691,7 +689,7 @@ swiotlb_alloc_coherent(struct device *hwdev, size_t size,
return ret;
err_warn:
pr_warn("swiotlb: coherent allocation failed for device %s size=%zu\n",
pr_warn("coherent allocation failed for device %s size=%zu\n",
dev_name(hwdev), size);
dump_stack();
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment