[PATCH] dma-debug: use %pap format string for phys_addr_t
From: Arnd Bergmann
Date: Wed Mar 29 2023 - 04:00:09 EST
From: Arnd Bergmann <arnd@xxxxxxxx>
On 32-bit architectures with 64-bit physical addresses, the
debug print is broken:
kernel/dma/debug.c: In function 'dump_show':
kernel/dma/debug.c:568:87: error: format '%llx' expects argument of type 'long long unsigned int', but argument 11 has type 'phys_addr_t' {aka 'unsigned int'} [-Werror=format=]
568 | "%s %s %s idx %d P=%llx N=%lx D=%llx L=%llx cln=%llx %s %s\n",
| ~~~^
| |
| long long unsigned int
| %x
......
574 | cln, dir2name[entry->direction],
| ~~~
| |
| phys_addr_t {aka unsigned int}
Use the special %pap format modifier for printing physical addresses.
Fixes: bd89d69a529f ("dma-debug: add cacheline to user/kernel space dump messages")
Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
---
kernel/dma/debug.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/kernel/dma/debug.c b/kernel/dma/debug.c
index 676142072d99..d8b233683a8c 100644
--- a/kernel/dma/debug.c
+++ b/kernel/dma/debug.c
@@ -534,11 +534,11 @@ void debug_dma_dump_mappings(struct device *dev)
if (!dev || dev == entry->dev) {
cln = to_cacheline_number(entry);
dev_info(entry->dev,
- "%s idx %d P=%llx N=%lx D=%llx L=%llx cln=%llx %s %s\n",
+ "%s idx %d P=%llx N=%lx D=%llx L=%llx cln=%pap %s %s\n",
type2name[entry->type], idx,
phys_addr(entry), entry->pfn,
entry->dev_addr, entry->size,
- cln, dir2name[entry->direction],
+ &cln, dir2name[entry->direction],
maperr2str[entry->map_err_type]);
}
}
@@ -565,13 +565,13 @@ static int dump_show(struct seq_file *seq, void *v)
list_for_each_entry(entry, &bucket->list, list) {
cln = to_cacheline_number(entry);
seq_printf(seq,
- "%s %s %s idx %d P=%llx N=%lx D=%llx L=%llx cln=%llx %s %s\n",
+ "%s %s %s idx %d P=%llx N=%lx D=%llx L=%llx cln=%pap %s %s\n",
dev_driver_string(entry->dev),
dev_name(entry->dev),
type2name[entry->type], idx,
phys_addr(entry), entry->pfn,
entry->dev_addr, entry->size,
- cln, dir2name[entry->direction],
+ &cln, dir2name[entry->direction],
maperr2str[entry->map_err_type]);
}
spin_unlock_irqrestore(&bucket->lock, flags);
--
2.39.2