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| author | Jason Wessel <jason.wessel@windriver.com> | 2012-08-26 21:43:12 -0500 |
|---|---|---|
| committer | Jason Wessel <jason.wessel@windriver.com> | 2012-10-12 06:37:35 -0500 |
| commit | d1871b38fccdc4b6575b0cabdea9e06bc70167eb (patch) | |
| tree | b750732307696a074df2d71be6b034ba96557d8b /kernel/debug | |
| parent | 24b8592ec021c433e73e6d8000e71f5c341fdde0 (diff) | |
| download | lwn-d1871b38fccdc4b6575b0cabdea9e06bc70167eb.tar.gz lwn-d1871b38fccdc4b6575b0cabdea9e06bc70167eb.zip | |
kdb: Fix dmesg/bta scroll to quit with 'q'
If you press 'q' the pager should exit instead of printing everything
from dmesg which can really bog down a 9600 baud serial link.
The same is true for the bta command.
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Diffstat (limited to 'kernel/debug')
| -rw-r--r-- | kernel/debug/kdb/kdb_bt.c | 2 | ||||
| -rw-r--r-- | kernel/debug/kdb/kdb_main.c | 2 |
2 files changed, 4 insertions, 0 deletions
diff --git a/kernel/debug/kdb/kdb_bt.c b/kernel/debug/kdb/kdb_bt.c index 07c9bbb94a0b..b03e0e814e43 100644 --- a/kernel/debug/kdb/kdb_bt.c +++ b/kernel/debug/kdb/kdb_bt.c @@ -129,6 +129,8 @@ kdb_bt(int argc, const char **argv) } /* Now the inactive tasks */ kdb_do_each_thread(g, p) { + if (KDB_FLAG(CMD_INTERRUPT)) + return 0; if (task_curr(p)) continue; if (kdb_bt1(p, mask, argcount, btaprompt)) diff --git a/kernel/debug/kdb/kdb_main.c b/kernel/debug/kdb/kdb_main.c index 31df1706b9a9..1afeb5c1e5a9 100644 --- a/kernel/debug/kdb/kdb_main.c +++ b/kernel/debug/kdb/kdb_main.c @@ -2100,6 +2100,8 @@ static int kdb_dmesg(int argc, const char **argv) } if (!lines--) break; + if (KDB_FLAG(CMD_INTERRUPT)) + return 0; kdb_printf("%.*s\n", (int)len - 1, buf); } |