Re: [PATCH v1] tpm: restore timeout for key creation commands

Zhang, Baoli
2026-04-13T01:31:14Z

On 4/10/2026 2:49 PM, Paul Menzel wrote:
> Dear Baoli,
>
>
> Thank you for your patch. Some formalities:
>
> Am 10.04.26 um 03:49 schrieb Baoli.Zhang:
>> After the per-command duration map was introduced, TPM2 key creation
>> commands (`CREATE_PRIMARY`, `CREATE`, `CREATE_LOADED`) were limited to
>> 30 seconds.
>>
>> On some platforms this is not sufficient and key creation can time out.
>> Commit 207696b17f38 ("tpm: use a map for tpm2_calc_ordinal_duration()")
>> inadvertently reduced these command timeouts from 300 seconds to 30
>> seconds. Restore them to 300 seconds to avoid spurious failures.
>
> Please document such a platform.
Thanks for your comments, I will add the platform after the internal
alignment.
>
>> Fixes: 207696b17f38 ("tpm: use a map for tpm2_calc_ordinal_duration()")
>>
>> Signed-off-by: Baoli.Zhang <baoli.zhang@linux.intel.com>
>
> It’d be great if you remove the dot from your name:
>
>     git config --global user.name "Baoli Zhang"
>
Yes,  will remove it in v2.
>> Co-developed-by: lili.li <lili.li@intel.com>
>
> Same here. Maybe spell it Lili Li?
>
>     git commit --amend --author="BaoliZhang
> <baoli.zhang@linux.intel.com>" -s
>
Yes, her name is Lili Li. Will also remove  dot from her name.
>> ---
>>   drivers/char/tpm/tpm2-cmd.c | 6 +++---
>>   1 file changed, 3 insertions(+), 3 deletions(-)
>>
>> diff --git a/drivers/char/tpm/tpm2-cmd.c b/drivers/char/tpm/tpm2-cmd.c
>> index 3a77be7ebf4aa..430022f695f24 100644
>> --- a/drivers/char/tpm/tpm2-cmd.c
>> +++ b/drivers/char/tpm/tpm2-cmd.c
>> @@ -71,9 +71,9 @@ static const struct {
>>       {TPM2_CC_HIERARCHY_CHANGE_AUTH, 2000},
>>       {TPM2_CC_GET_CAPABILITY, 750},
>>       {TPM2_CC_NV_READ, 2000},
>> -    {TPM2_CC_CREATE_PRIMARY, 30000},
>> -    {TPM2_CC_CREATE, 30000},
>> -    {TPM2_CC_CREATE_LOADED, 30000},
>> +    {TPM2_CC_CREATE_PRIMARY, 300000},
>> +    {TPM2_CC_CREATE, 300000},
>> +    {TPM2_CC_CREATE_LOADED, 300000},
>>   };
>>     /**
>
>