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Message-ID: <a7e3df6a-c62b-c22c-119a-a4f14662ca0c@linux.ibm.com>
Date: Tue, 31 Jan 2023 11:31:22 -0500
From: Stefan Berger <stefanb@...ux.ibm.com>
To: Andrew Donnellan <ajd@...ux.ibm.com>,
linuxppc-dev@...ts.ozlabs.org, linux-integrity@...r.kernel.org
Cc: ruscur@...sell.cc, bgray@...ux.ibm.com, nayna@...ux.ibm.com,
gcwilson@...ux.ibm.com, gjoyce@...ux.ibm.com, brking@...ux.ibm.com,
sudhakar@...ux.ibm.com, erichte@...ux.ibm.com,
gregkh@...uxfoundation.org, linux-kernel@...r.kernel.org,
zohar@...ux.ibm.com, joel@....id.au, npiggin@...il.com
Subject: Re: [PATCH v5 18/25] powerpc/pseries: Log hcall return codes for
PLPKS debug
On 1/31/23 01:39, Andrew Donnellan wrote:
> From: Russell Currey <ruscur@...sell.cc>
>
> 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@...sell.cc>
> Signed-off-by: Andrew Donnellan <ajd@...ux.ibm.com>
Reviewed-by: Stefan Berger <stefanb@...ux.ibm.com>
> ---
> 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;
> }
>
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