linux-kernel - Re: [RFC PATCH 3/3] tpm/tpm_svsm: use send

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Message-ID: <7v7v7quud3z2fb5edh3aogzjyvb7lciaqlvjeuii3ca4glvlmq@joxaspk66q5v>
Date: Thu, 20 Mar 2025 12:15:33 +0100
From: Stefano Garzarella <sgarzare@...hat.com>
To: Jason Gunthorpe <jgg@...pe.ca>
Cc: Jarkko Sakkinen <jarkko@...nel.org>, linux-integrity@...r.kernel.org, 
	linux-kernel@...r.kernel.org, James Bottomley <James.Bottomley@...senpartnership.com>, 
	Peter Huewe <peterhuewe@....de>
Subject: Re: [RFC PATCH 3/3] tpm/tpm_svsm: use send_recv() op

On Wed, Mar 19, 2025 at 04:58:18PM -0300, Jason Gunthorpe wrote:
>On Tue, Mar 11, 2025 at 11:01:30AM +0100, Stefano Garzarella wrote:
>> This driver does not support interrupts, and receiving the response is
>> synchronous with sending the command.
>>
>> Let's simplify the driver by implementing the new send_recv() op.
>>
>> Signed-off-by: Stefano Garzarella <sgarzare@...hat.com>
>> ---
>> Note: this is based on "[PATCH v3 0/4] Enlightened vTPM support for SVSM
>> on SEV-SNP" series [1].
>> If we will merge this series before it, we can just ignore this patch
>> and I'll squash these changes in that series.
>>
>> [1] https://lore.kernel.org/linux-integrity/20250311094225.35129-1-sgarzare@redhat.com/
>> ---
>>  drivers/char/tpm/tpm_svsm.c | 46 ++++++++-----------------------------
>>  1 file changed, 9 insertions(+), 37 deletions(-)
>
>I think the diffstat speaks for itself, you should send this as
>non-RFC

Ack, I'll re-send it.

Thanks,
Stefano