Re: [PATCH v5 18/25] powerpc/pseries: Log hcall return codes for PLPKS debug

From: Stefan Berger
Date: Tue Jan 31 2023 - 11:32:19 EST




On 1/31/23 01:39, Andrew Donnellan wrote:
From: Russell Currey <ruscur@xxxxxxxxxx>

The plpks code converts hypervisor return codes into their Linux
equivalents so that users can understand them. Having access to the
original return codes is really useful for debugging, so add a
pr_debug() so we don't lose information from the conversion.

Signed-off-by: Russell Currey <ruscur@xxxxxxxxxx>
Signed-off-by: Andrew Donnellan <ajd@xxxxxxxxxxxxx>

Reviewed-by: Stefan Berger <stefanb@xxxxxxxxxxxxx>

---
arch/powerpc/platforms/pseries/plpks.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/arch/powerpc/platforms/pseries/plpks.c b/arch/powerpc/platforms/pseries/plpks.c
index cee06fb9a370..e5755443d4a4 100644
--- a/arch/powerpc/platforms/pseries/plpks.c
+++ b/arch/powerpc/platforms/pseries/plpks.c
@@ -117,6 +117,8 @@ static int pseries_status_to_err(int rc)
err = -EINVAL;
}
+ pr_debug("Converted hypervisor code %d to Linux %d\n", rc, err);
+
return err;
}