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authorLinus Torvalds <torvalds@linux-foundation.org>2008-10-20 16:35:07 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2008-10-20 16:35:07 -0400
commit92b29b86fe2e183d44eb467e5e74a5f718ef2e43 (patch)
tree1bac8a1aa11d47322b66d10ec3a370016d843d06 /arch/x86/mm/testmmiotrace.c
parentb9d7ccf56be1ac77b71a284a1c0e6337f9a7aff0 (diff)
parent98d9c66ab07471006fd7910cb16453581c41a3e7 (diff)
Merge branch 'tracing-v28-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'tracing-v28-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (131 commits) tracing/fastboot: improve help text tracing/stacktrace: improve help text tracing/fastboot: fix initcalls disposition in bootgraph.pl tracing/fastboot: fix bootgraph.pl initcall name regexp tracing/fastboot: fix issues and improve output of bootgraph.pl tracepoints: synchronize unregister static inline tracepoints: tracepoint_synchronize_unregister() ftrace: make ftrace_test_p6nop disassembler-friendly markers: fix synchronize marker unregister static inline tracing/fastboot: add better resolution to initcall debug/tracing trace: add build-time check to avoid overrunning hex buffer ftrace: fix hex output mode of ftrace tracing/fastboot: fix initcalls disposition in bootgraph.pl tracing/fastboot: fix printk format typo in boot tracer ftrace: return an error when setting a nonexistent tracer ftrace: make some tracers reentrant ring-buffer: make reentrant ring-buffer: move page indexes into page headers tracing/fastboot: only trace non-module initcalls ftrace: move pc counter in irqtrace ... Manually fix conflicts: - init/main.c: initcall tracing - kernel/module.c: verbose level vs tracepoints - scripts/bootgraph.pl: fallout from cherry-picking commits.
Diffstat (limited to 'arch/x86/mm/testmmiotrace.c')
-rw-r--r--arch/x86/mm/testmmiotrace.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/mm/testmmiotrace.c b/arch/x86/mm/testmmiotrace.c
index d877c5b423ef..ab50a8d7402c 100644
--- a/arch/x86/mm/testmmiotrace.c
+++ b/arch/x86/mm/testmmiotrace.c
@@ -3,6 +3,7 @@
3 */ 3 */
4#include <linux/module.h> 4#include <linux/module.h>
5#include <linux/io.h> 5#include <linux/io.h>
6#include <linux/mmiotrace.h>
6 7
7#define MODULE_NAME "testmmiotrace" 8#define MODULE_NAME "testmmiotrace"
8 9
@@ -13,6 +14,7 @@ MODULE_PARM_DESC(mmio_address, "Start address of the mapping of 16 kB.");
13static void do_write_test(void __iomem *p) 14static void do_write_test(void __iomem *p)
14{ 15{
15 unsigned int i; 16 unsigned int i;
17 mmiotrace_printk("Write test.\n");
16 for (i = 0; i < 256; i++) 18 for (i = 0; i < 256; i++)
17 iowrite8(i, p + i); 19 iowrite8(i, p + i);
18 for (i = 1024; i < (5 * 1024); i += 2) 20 for (i = 1024; i < (5 * 1024); i += 2)
@@ -24,6 +26,7 @@ static void do_write_test(void __iomem *p)
24static void do_read_test(void __iomem *p) 26static void do_read_test(void __iomem *p)
25{ 27{
26 unsigned int i; 28 unsigned int i;
29 mmiotrace_printk("Read test.\n");
27 for (i = 0; i < 256; i++) 30 for (i = 0; i < 256; i++)
28 ioread8(p + i); 31 ioread8(p + i);
29 for (i = 1024; i < (5 * 1024); i += 2) 32 for (i = 1024; i < (5 * 1024); i += 2)
@@ -39,6 +42,7 @@ static void do_test(void)
39 pr_err(MODULE_NAME ": could not ioremap, aborting.\n"); 42 pr_err(MODULE_NAME ": could not ioremap, aborting.\n");
40 return; 43 return;
41 } 44 }
45 mmiotrace_printk("ioremap returned %p.\n", p);
42 do_write_test(p); 46 do_write_test(p);
43 do_read_test(p); 47 do_read_test(p);
44 iounmap(p); 48 iounmap(p);