Fix for the "trace.c" extension module due to upstream
changes in kernel/trace/ring_buffer.c which changes the size of
ring_buffer_per_cpu.nr_pages field from an int to a long.
---
extensions/trace.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/extensions/trace.c b/extensions/trace.c
index a93abdc..dfa8be9 100644
--- a/extensions/trace.c
+++ b/extensions/trace.c
@@ -96,7 +96,7 @@ struct ring_buffer_per_cpu {
ulong real_head_page;
int head_page_index;
- unsigned int nr_pages;
+ unsigned long nr_pages;
ulong *pages;
ulong *linear_pages;
@@ -430,7 +430,13 @@ static int ftrace_init_buffers(struct ring_buffer_per_cpu *buffers,
buffer_read_value(overrun);
buffer_read_value(entries);
if (per_cpu_buffer_sizes) {
- buffer_read_value(nr_pages);
+ if (MEMBER_SIZE("ring_buffer_per_cpu", "nr_pages") == sizeof(unsigned int)) {
+ unsigned int tmp_nr_pages;
+ read_value(tmp_nr_pages, buffers[i].kaddr, ring_buffer_per_cpu, nr_pages);
+ buffers[i].nr_pages = (unsigned long) tmp_nr_pages;
+ } else {
+ buffer_read_value(nr_pages);
+ }
pages = buffers[i].nr_pages;
} else
buffers[i].nr_pages = pages;
--
1.8.3.1
--
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