linux-kernel - RE: RE: [EXT] Re: [PATCH] crypto: caam - adjust RNG timing to support more devices

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Message-ID: <DU0PR04MB95639E903580457856250C008E10A@DU0PR04MB9563.eurprd04.prod.outlook.com>
Date:   Fri, 11 Aug 2023 11:55:17 +0000
From:   Meenakshi Aggarwal <meenakshi.aggarwal@....com>
To:     Linux regressions mailing list <regressions@...ts.linux.dev>,
        Gaurav Jain <gaurav.jain@....com>,
        Herbert Xu <herbert@...dor.apana.org.au>
CC:     Bastian Krause <bst@...gutronix.de>,
        "davem@...emloft.net" <davem@...emloft.net>,
        "linux-crypto@...r.kernel.org" <linux-crypto@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Dan Douglass <dan.douglass@....com>,
        "kernel@...gutronix.de" <kernel@...gutronix.de>,
        Horia Geanta <horia.geanta@....com>,
        Varun Sethi <V.Sethi@....com>,
        Pankaj Gupta <pankaj.gupta@....com>
Subject: RE: RE: [EXT] Re: [PATCH] crypto: caam - adjust RNG timing to support
 more devices

Hi,

we have tested this patch on multiple variants of imx board and it is working fine.

We are actively debugging the issue, it is taking time as we are not able to reproduce it at our end.

Thanks,
Meenakshi

> -----Original Message-----
> From: Linux regression tracking (Thorsten Leemhuis)
> <regressions@...mhuis.info>
> Sent: Friday, August 11, 2023 2:18 PM
> To: Gaurav Jain <gaurav.jain@....com>; Herbert Xu
> <herbert@...dor.apana.org.au>; Meenakshi Aggarwal
> <meenakshi.aggarwal@....com>
> Cc: Bastian Krause <bst@...gutronix.de>; davem@...emloft.net; linux-
> crypto@...r.kernel.org; linux-kernel@...r.kernel.org; Dan Douglass
> <dan.douglass@....com>; kernel@...gutronix.de; Horia Geanta
> <horia.geanta@....com>; Varun Sethi <V.Sethi@....com>; Pankaj Gupta
> <pankaj.gupta@....com>; Linux kernel regressions list
> <regressions@...ts.linux.dev>
> Subject: Re: RE: [EXT] Re: [PATCH] crypto: caam - adjust RNG timing to support
> more devices
>
> [CCing the regression list, as it should be in the loop for regressions:
> https://docs.ker/
> nel.org%2Fadmin-guide%2Freporting-
> regressions.html&data=05%7C01%7Cmeenakshi.aggarwal%40nxp.com%7Cfde9
> ceeb9e0d40d4f77d08db9a47a5e1%7C686ea1d3bc2b4c6fa92cd99c5c301635%7
> C0%7C0%7C638273404742560069%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC
> 4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C
> %7C%7C&sdata=lt7nphOXYXc3GRfOquvM5jmqNszQkDd%2BuSRdAbJd8Ec%3D&r
> eserved=0]
>
> On 04.08.23 14:02, Gaurav Jain wrote:
> > From: Herbert Xu <herbert@...dor.apana.org.au>
> >> On Mon, Jul 24, 2023 at 05:13:23AM +0000, Meenakshi Aggarwal wrote:
> >>> Please share the required information.
> >> Any progress on this?
> >>
> >> Should we revert the offending patch?
> >
> > Debugging is in progress. There should be some mismatch in TRNG
> configuration in customer board.
> > Will be sharing a patch to dump the same.
>
> Any progress on this? Afaics would be good to have either the fix or the revert in
> by -rc7 to ensure things get at least one week of proper testing before the final
> release.
>
> Ciao, Thorsten (wearing his 'the Linux kernel's regression tracker' hat)
> --
> Everything you wanna know about Linux kernel regression tracking:
> https://linux-/
> regtracking.leemhuis.info%2Fabout%2F%23tldr&data=05%7C01%7Cmeenakshi.
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> c2b4c6fa92cd99c5c301635%7C0%7C0%7C638273404742560069%7CUnknown
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> If I did something stupid, please tell me, as explained on that page.
>
> #regzbot poke