* [PATCH 2/2] rv: Make rtapp/pagefault monitor depends on CONFIG_MMU
@ 2025-10-02 8:23 Nam Cao
2025-10-02 11:51 ` Gabriele Monaco
0 siblings, 1 reply; 2+ messages in thread
From: Nam Cao @ 2025-10-02 8:23 UTC (permalink / raw)
To: Gabriele Monaco, Steven Rostedt
Cc: Masami Hiramatsu, Mathieu Desnoyers, linux-trace-kernel,
linux-kernel, Nam Cao, kernel test robot, stable
There is no page fault without MMU. Compiling the rtapp/pagefault monitor
without CONFIG_MMU fails as page fault tracepoints' definitions are not
available.
Make rtapp/pagefault monitor depends on CONFIG_MMU.
Fixes: 9162620eb604 ("rv: Add rtapp_pagefault monitor")
Signed-off-by: Nam Cao <namcao@linutronix.de>
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202509260455.6Z9Vkty4-lkp@intel.com/
Cc: stable@vger.kernel.org
---
kernel/trace/rv/monitors/pagefault/Kconfig | 1 +
1 file changed, 1 insertion(+)
diff --git a/kernel/trace/rv/monitors/pagefault/Kconfig b/kernel/trace/rv/monitors/pagefault/Kconfig
index 5e16625f1653..0e013f00c33b 100644
--- a/kernel/trace/rv/monitors/pagefault/Kconfig
+++ b/kernel/trace/rv/monitors/pagefault/Kconfig
@@ -5,6 +5,7 @@ config RV_MON_PAGEFAULT
select RV_LTL_MONITOR
depends on RV_MON_RTAPP
depends on X86 || RISCV
+ depends on MMU
default y
select LTL_MON_EVENTS_ID
bool "pagefault monitor"
--
2.51.0
^ permalink raw reply [flat|nested] 2+ messages in thread* Re: [PATCH 2/2] rv: Make rtapp/pagefault monitor depends on CONFIG_MMU
2025-10-02 8:23 [PATCH 2/2] rv: Make rtapp/pagefault monitor depends on CONFIG_MMU Nam Cao
@ 2025-10-02 11:51 ` Gabriele Monaco
0 siblings, 0 replies; 2+ messages in thread
From: Gabriele Monaco @ 2025-10-02 11:51 UTC (permalink / raw)
To: Nam Cao, Steven Rostedt
Cc: Masami Hiramatsu, Mathieu Desnoyers, linux-trace-kernel,
linux-kernel, kernel test robot, stable
On Thu, 2025-10-02 at 08:23 +0000, Nam Cao wrote:
> There is no page fault without MMU. Compiling the rtapp/pagefault monitor
> without CONFIG_MMU fails as page fault tracepoints' definitions are not
> available.
>
> Make rtapp/pagefault monitor depends on CONFIG_MMU.
Makes sense.
Reviewed-by: Gabriele Monaco <gmonaco@redhat.com>
Thanks,
Gabriele
>
> Fixes: 9162620eb604 ("rv: Add rtapp_pagefault monitor")
> Signed-off-by: Nam Cao <namcao@linutronix.de>
> Reported-by: kernel test robot <lkp@intel.com>
> Closes:
> https://lore.kernel.org/oe-kbuild-all/202509260455.6Z9Vkty4-lkp@intel.com/
> Cc: stable@vger.kernel.org
> ---
> kernel/trace/rv/monitors/pagefault/Kconfig | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/kernel/trace/rv/monitors/pagefault/Kconfig
> b/kernel/trace/rv/monitors/pagefault/Kconfig
> index 5e16625f1653..0e013f00c33b 100644
> --- a/kernel/trace/rv/monitors/pagefault/Kconfig
> +++ b/kernel/trace/rv/monitors/pagefault/Kconfig
> @@ -5,6 +5,7 @@ config RV_MON_PAGEFAULT
> select RV_LTL_MONITOR
> depends on RV_MON_RTAPP
> depends on X86 || RISCV
> + depends on MMU
> default y
> select LTL_MON_EVENTS_ID
> bool "pagefault monitor"
^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2025-10-02 11:51 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2025-10-02 8:23 [PATCH 2/2] rv: Make rtapp/pagefault monitor depends on CONFIG_MMU Nam Cao
2025-10-02 11:51 ` Gabriele Monaco
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®