Message ID | 1343316846-25860-23-git-send-email-stefano.stabellini@eu.citrix.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
On Thu, Jul 26, 2012 at 04:34:05PM +0100, Stefano Stabellini wrote: > On ARM all guests are HVM guests, including Dom0. > Allow dom0_write_console to be called by an HVM domain. Um, but xen_hvm_domain() != xen_pv_domain() so won't this return without printing anything? > > Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> > --- > drivers/tty/hvc/hvc_xen.c | 5 +---- > 1 files changed, 1 insertions(+), 4 deletions(-) > > diff --git a/drivers/tty/hvc/hvc_xen.c b/drivers/tty/hvc/hvc_xen.c > index 3c04fb8..949edc2 100644 > --- a/drivers/tty/hvc/hvc_xen.c > +++ b/drivers/tty/hvc/hvc_xen.c > @@ -616,12 +616,9 @@ static void xenboot_write_console(struct console *console, const char *string, > unsigned int linelen, off = 0; > const char *pos; > > - if (!xen_pv_domain()) > - return; > - > dom0_write_console(0, string, len); > > - if (xen_initial_domain()) > + if (!xen_pv_domain()) > return; > > domU_write_console(0, "(early) ", 8); > -- > 1.7.2.5
On Wed, 1 Aug 2012, Konrad Rzeszutek Wilk wrote: > On Thu, Jul 26, 2012 at 04:34:05PM +0100, Stefano Stabellini wrote: > > On ARM all guests are HVM guests, including Dom0. > > Allow dom0_write_console to be called by an HVM domain. > > Um, but xen_hvm_domain() != xen_pv_domain() so won't this return without > printing anything? Nope, it would call dom0_write_console that issues a console hypercall. However I am going to remove this patch and rely on the simple serial emulator we have in Xen for early_printk stuff > > > > Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> > > --- > > drivers/tty/hvc/hvc_xen.c | 5 +---- > > 1 files changed, 1 insertions(+), 4 deletions(-) > > > > diff --git a/drivers/tty/hvc/hvc_xen.c b/drivers/tty/hvc/hvc_xen.c > > index 3c04fb8..949edc2 100644 > > --- a/drivers/tty/hvc/hvc_xen.c > > +++ b/drivers/tty/hvc/hvc_xen.c > > @@ -616,12 +616,9 @@ static void xenboot_write_console(struct console *console, const char *string, > > unsigned int linelen, off = 0; > > const char *pos; > > > > - if (!xen_pv_domain()) > > - return; > > - > > dom0_write_console(0, string, len); > > > > - if (xen_initial_domain()) > > + if (!xen_pv_domain()) > > return; > > > > domU_write_console(0, "(early) ", 8); > > -- > > 1.7.2.5 >
diff --git a/drivers/tty/hvc/hvc_xen.c b/drivers/tty/hvc/hvc_xen.c index 3c04fb8..949edc2 100644 --- a/drivers/tty/hvc/hvc_xen.c +++ b/drivers/tty/hvc/hvc_xen.c @@ -616,12 +616,9 @@ static void xenboot_write_console(struct console *console, const char *string, unsigned int linelen, off = 0; const char *pos; - if (!xen_pv_domain()) - return; - dom0_write_console(0, string, len); - if (xen_initial_domain()) + if (!xen_pv_domain()) return; domU_write_console(0, "(early) ", 8);
On ARM all guests are HVM guests, including Dom0. Allow dom0_write_console to be called by an HVM domain. Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> --- drivers/tty/hvc/hvc_xen.c | 5 +---- 1 files changed, 1 insertions(+), 4 deletions(-)