* [PATCH 3/3] tty: hvc_xen: hide xen_console_remove when unused [not found] <1453758918-3577213-1-git-send-email-arnd@arndb.de> @ 2016-01-25 21:54 ` Arnd Bergmann 2016-01-25 23:05 ` Boris Ostrovsky 0 siblings, 1 reply; 3+ messages in thread From: Arnd Bergmann @ 2016-01-25 21:54 UTC (permalink / raw) To: Greg Kroah-Hartman Cc: linux-arm-kernel, Arnd Bergmann, Jiri Slaby, David Vrabel, Julien Grall, Stefano Stabellini, Wei Liu, Jan Beulich, Boris Ostrovsky, linuxppc-dev, linux-kernel xencons_disconnect_backend() is only called from xen_console_remove(), which is conditionally compiled, so we get a harmless warning when CONFIG_HVC_XEN_FRONTEND is unset: hvc/hvc_xen.c:350:12: error: 'xen_console_remove' defined but not used [-Werror=unused-function] This moves the function down into the same #ifdef section to silence the warning. Signed-off-by: Arnd Bergmann <arnd@arndb.de> --- drivers/tty/hvc/hvc_xen.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/tty/hvc/hvc_xen.c b/drivers/tty/hvc/hvc_xen.c index fa816b7193b6..11725422dacb 100644 --- a/drivers/tty/hvc/hvc_xen.c +++ b/drivers/tty/hvc/hvc_xen.c @@ -323,6 +323,7 @@ void xen_console_resume(void) } } +#ifdef CONFIG_HVC_XEN_FRONTEND static void xencons_disconnect_backend(struct xencons_info *info) { if (info->irq > 0) @@ -363,7 +364,6 @@ static int xen_console_remove(struct xencons_info *info) return 0; } -#ifdef CONFIG_HVC_XEN_FRONTEND static int xencons_remove(struct xenbus_device *dev) { return xen_console_remove(dev_get_drvdata(&dev->dev)); -- 2.7.0 ^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH 3/3] tty: hvc_xen: hide xen_console_remove when unused 2016-01-25 21:54 ` [PATCH 3/3] tty: hvc_xen: hide xen_console_remove when unused Arnd Bergmann @ 2016-01-25 23:05 ` Boris Ostrovsky 2016-01-26 12:25 ` Stefano Stabellini 0 siblings, 1 reply; 3+ messages in thread From: Boris Ostrovsky @ 2016-01-25 23:05 UTC (permalink / raw) To: Arnd Bergmann, Greg Kroah-Hartman Cc: linux-arm-kernel, Jiri Slaby, David Vrabel, Julien Grall, Stefano Stabellini, Wei Liu, Jan Beulich, linuxppc-dev, linux-kernel On 01/25/2016 04:54 PM, Arnd Bergmann wrote: > xencons_disconnect_backend() is only called from xen_console_remove(), and also from xencons_probe()/xencons_resume(). But those two are also under the same ifdef. -boris > which is conditionally compiled, so we get a harmless warning when > CONFIG_HVC_XEN_FRONTEND is unset: > > hvc/hvc_xen.c:350:12: error: 'xen_console_remove' defined but not used [-Werror=unused-function] > > This moves the function down into the same #ifdef section to silence > the warning. > > Signed-off-by: Arnd Bergmann <arnd@arndb.de> > --- > drivers/tty/hvc/hvc_xen.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/tty/hvc/hvc_xen.c b/drivers/tty/hvc/hvc_xen.c > index fa816b7193b6..11725422dacb 100644 > --- a/drivers/tty/hvc/hvc_xen.c > +++ b/drivers/tty/hvc/hvc_xen.c > @@ -323,6 +323,7 @@ void xen_console_resume(void) > } > } > > +#ifdef CONFIG_HVC_XEN_FRONTEND > static void xencons_disconnect_backend(struct xencons_info *info) > { > if (info->irq > 0) > @@ -363,7 +364,6 @@ static int xen_console_remove(struct xencons_info *info) > return 0; > } > > -#ifdef CONFIG_HVC_XEN_FRONTEND > static int xencons_remove(struct xenbus_device *dev) > { > return xen_console_remove(dev_get_drvdata(&dev->dev)); ^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH 3/3] tty: hvc_xen: hide xen_console_remove when unused 2016-01-25 23:05 ` Boris Ostrovsky @ 2016-01-26 12:25 ` Stefano Stabellini 0 siblings, 0 replies; 3+ messages in thread From: Stefano Stabellini @ 2016-01-26 12:25 UTC (permalink / raw) To: Boris Ostrovsky Cc: Arnd Bergmann, Greg Kroah-Hartman, linux-arm-kernel, Jiri Slaby, David Vrabel, Julien Grall, Stefano Stabellini, Wei Liu, Jan Beulich, linuxppc-dev, linux-kernel On Mon, 25 Jan 2016, Boris Ostrovsky wrote: > On 01/25/2016 04:54 PM, Arnd Bergmann wrote: > > xencons_disconnect_backend() is only called from xen_console_remove(), > > and also from xencons_probe()/xencons_resume(). But those two are also under > the > same ifdef. Good point. Aside from this the patch is good. > > which is conditionally compiled, so we get a harmless warning when > > CONFIG_HVC_XEN_FRONTEND is unset: > > > > hvc/hvc_xen.c:350:12: error: 'xen_console_remove' defined but not used > > [-Werror=unused-function] > > > > This moves the function down into the same #ifdef section to silence > > the warning. > > > > Signed-off-by: Arnd Bergmann <arnd@arndb.de> > > --- > > drivers/tty/hvc/hvc_xen.c | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > diff --git a/drivers/tty/hvc/hvc_xen.c b/drivers/tty/hvc/hvc_xen.c > > index fa816b7193b6..11725422dacb 100644 > > --- a/drivers/tty/hvc/hvc_xen.c > > +++ b/drivers/tty/hvc/hvc_xen.c > > @@ -323,6 +323,7 @@ void xen_console_resume(void) > > } > > } > > +#ifdef CONFIG_HVC_XEN_FRONTEND > > static void xencons_disconnect_backend(struct xencons_info *info) > > { > > if (info->irq > 0) > > @@ -363,7 +364,6 @@ static int xen_console_remove(struct xencons_info *info) > > return 0; > > } > > -#ifdef CONFIG_HVC_XEN_FRONTEND > > static int xencons_remove(struct xenbus_device *dev) > > { > > return xen_console_remove(dev_get_drvdata(&dev->dev)); > ^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2016-01-26 12:26 UTC | newest]
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2016-01-25 21:54 ` [PATCH 3/3] tty: hvc_xen: hide xen_console_remove when unused Arnd Bergmann
2016-01-25 23:05 ` Boris Ostrovsky
2016-01-26 12:25 ` Stefano Stabellini
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