Re: [PATCH v18 6/7] crypto: caam: cleanup CONFIG_64BIT ifdefs when using io{read|write}64

[Andy Shevchenko]

On Tue, Jul 3, 2018 at 10:40 PM, Fabio Estevam <festevam@xxxxxxxxx> wrote:
> On Tue, Jul 3, 2018 at 3:47 PM, Logan Gunthorpe <logang@xxxxxxxxxxxx> wrote:
>
>> Ok, I'm at a bit of a loss... When I look at the assembly before and
>> after the patch, it looks pretty much the same. Additionally, the
>> function where the undefined exception occurs (caam_jr_interrupt())
>> doesn't make any use of wr_reg64 or rd_reg64 which is the only thing the
>> patch changes...
>>
>> Also, it looks like the nonatomic headers are doing what they are
>> supposed to on this arch and generating two 32-bit ios and not a 64 bit one.
>>
>> So I have no idea what's going on here... Are we sure this is the patch
>> causing the problem? Did you bisect?
>
> Yes, I am sure that 46e4bf08f6388ba748 is the one causing the kernel boot issue.
>
> If I revert 46e4bf08f6388ba748 in linux-next then I can boot mx6 just fine.
>

Interesting...

> kernelci.org reports also confirm the same:
>
> https://storage.kernelci.org/next/master/next-20180629/arm/imx_v6_v7_defconfig/lab-baylibre-seattle/boot-imx6q-wandboard.html

By the way, is there any URL which contains dmesg out of kernel with
this commit reverted?
(It would be even better if we would have 'ignore_loglevel ' there
when CONFIG_CRYPTO_DEV_FSL_CAAM_DEBUG=y)

-- 
With Best Regards,
Andy Shevchenko