diff options
| author | Jiri Slaby <jslaby@suse.cz> | 2022-01-24 08:14:22 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-01-26 14:54:48 +0100 |
| commit | 4e2a44c1408b6a6a46122704511234f68cf012b8 (patch) | |
| tree | 8c74c1c2e7872e5cbb3ddb06a46a7647a4a96da0 /tools/perf/scripts/python/bin/stackcollapse-record | |
| parent | serial: atmel_serial: include circ_buf.h (diff) | |
| download | linux-4e2a44c1408b6a6a46122704511234f68cf012b8.tar.gz linux-4e2a44c1408b6a6a46122704511234f68cf012b8.zip | |
tty: add kfifo to tty_port
Define a kfifo inside struct tty_port. We use DECLARE_KFIFO_PTR and let
the preexisting tty_port::xmit_buf be also the buffer for the kfifo.
And handle the initialization/decomissioning along with xmit_buf, i.e.
in tty_port_alloc_xmit_buf() and tty_port_free_xmit_buf(), respectively.
This allows for kfifo use in drivers which opt-in, while others still
may use the old xmit_buf. mxser will be the first user in the next
few patches.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Link: https://lore.kernel.org/r/20220124071430.14907-4-jslaby@suse.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'tools/perf/scripts/python/bin/stackcollapse-record')
0 files changed, 0 insertions, 0 deletions