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| author | Jonathan Nieder <jrnieder@gmail.com> | 2010-03-23 21:55:43 -0500 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2010-03-24 13:16:10 +1000 |
| commit | 533aae6a8cfed34a1554c244151d1a781eec0c3e (patch) | |
| tree | d7107dfe1d23281b2a146a01b5bafe5bcceba24c | |
| parent | 0ca903d67e92af0eb0323ca850e55ecf564591e8 (diff) | |
radeontool regmatch: sync() before reading a bunch of registers
A hard lock-up is always an unpleasant event, but it can be less
unpleasant if any unrelated pending I/O is finished first. Make
‘radeontool regmatch '*'’ a little safer by calling sync().
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
| -rw-r--r-- | radeontool.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/radeontool.c b/radeontool.c index 4aefb72..d4968e5 100644 --- a/radeontool.c +++ b/radeontool.c @@ -732,6 +732,9 @@ void radeon_reg_match(const char *pattern) printf("%s\t0x%08x (%d)\n", pattern, value, value); } else { + /* Prepare for a crash (just in case). */ + sync(); + for (i = 0; i < sizeof(reg_list) / sizeof(reg_list[0]); i++) { if (fnmatch(pattern, reg_list[i].name, 0) == 0) { printf("%s (%s%04x)\t", reg_list[i].name, |