| Message ID | 20190402164238.1815-5-julien.grall@arm.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | xen/console: Bug fixes and doc improvement | expand |
On Tue, Apr 02, 2019 at 05:42:38PM +0100, Julien Grall wrote: > 2 paths in the domU console handling are now the same. So they can be > merged to make the code simpler. > > Signed-off-by: Julien Grall <julien.grall@arm.com> Acked-by: Wei Liu <wei.liu2@citrix.com> (This obviously is dependent on the acceptance of patch 2)
On Tue, 2 Apr 2019, Julien Grall wrote: > 2 paths in the domU console handling are now the same. So they can be > merged to make the code simpler. > > Signed-off-by: Julien Grall <julien.grall@arm.com> Reviewed-by: Stefano Stabellini <sstabellini@kernel.org> > --- > xen/drivers/char/console.c | 9 ++------- > 1 file changed, 2 insertions(+), 7 deletions(-) > > diff --git a/xen/drivers/char/console.c b/xen/drivers/char/console.c > index b119bf980b..5483d66512 100644 > --- a/xen/drivers/char/console.c > +++ b/xen/drivers/char/console.c > @@ -584,13 +584,8 @@ static long guest_console_write(XEN_GUEST_HANDLE_PARAM(char) buffer, int count) > *kout = '\0'; > spin_lock(&cd->pbuf_lock); > kcount = kin - kbuf; > - if ( c == '\n' ) > - { > - cd->pbuf[cd->pbuf_idx] = '\0'; > - guest_printk(cd, XENLOG_G_DEBUG "%s%s\n", cd->pbuf, kbuf); > - cd->pbuf_idx = 0; > - } > - else if ( cd->pbuf_idx + (kout - kbuf) < (DOMAIN_PBUF_SIZE - 1) ) > + if ( c != '\n' && > + (cd->pbuf_idx + (kout - kbuf) < (DOMAIN_PBUF_SIZE - 1)) ) > { > /* buffer the output until a newline */ > memcpy(cd->pbuf + cd->pbuf_idx, kbuf, kout - kbuf); > -- > 2.11.0 >
diff --git a/xen/drivers/char/console.c b/xen/drivers/char/console.c index b119bf980b..5483d66512 100644 --- a/xen/drivers/char/console.c +++ b/xen/drivers/char/console.c @@ -584,13 +584,8 @@ static long guest_console_write(XEN_GUEST_HANDLE_PARAM(char) buffer, int count) *kout = '\0'; spin_lock(&cd->pbuf_lock); kcount = kin - kbuf; - if ( c == '\n' ) - { - cd->pbuf[cd->pbuf_idx] = '\0'; - guest_printk(cd, XENLOG_G_DEBUG "%s%s\n", cd->pbuf, kbuf); - cd->pbuf_idx = 0; - } - else if ( cd->pbuf_idx + (kout - kbuf) < (DOMAIN_PBUF_SIZE - 1) ) + if ( c != '\n' && + (cd->pbuf_idx + (kout - kbuf) < (DOMAIN_PBUF_SIZE - 1)) ) { /* buffer the output until a newline */ memcpy(cd->pbuf + cd->pbuf_idx, kbuf, kout - kbuf);
2 paths in the domU console handling are now the same. So they can be merged to make the code simpler. Signed-off-by: Julien Grall <julien.grall@arm.com> --- xen/drivers/char/console.c | 9 ++------- 1 file changed, 2 insertions(+), 7 deletions(-)