Re: [PATCH] powerpc: booke: fix boot crash due to null hugepd

[Laurentiu Tudor]

Hi Greg,

On 05/17/2017 12:15 PM, Greg KH wrote:
> On Tue, May 16, 2017 at 09:47:52AM -0500, laurentiu.tudor@xxxxxxx wrote:
>> From: Laurentiu Tudor <laurentiu.tudor@xxxxxxx>
>>
>> On 32-bit book-e machines, hugepd_ok() does not take
>> into account null hugepd values, causing this crash at boot:
>>
>
> $ ./scripts/get_maintainer.pl --file arch/powerpc/include/asm/nohash/pgtable.h
> Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx> (supporter:LINUX FOR POWERPC (32-BIT AND 64-BIT))
> Paul Mackerras <paulus@xxxxxxxxx> (supporter:LINUX FOR POWERPC (32-BIT AND 64-BIT))
> Michael Ellerman <mpe@xxxxxxxxxxxxxx> (supporter:LINUX FOR POWERPC (32-BIT AND 64-BIT),commit_signer:2/3=67%)
> "Aneesh Kumar K.V" <aneesh.kumar@xxxxxxxxxxxxxxxxxx> (commit_signer:2/3=67%,authored:1/3=33%,added_lines:3/8=38%,removed_lines:2/3=67%)
> Scott Wood <oss@xxxxxxxxxxxx> (commit_signer:1/3=33%)
> Laurentiu Tudor <laurentiu.tudor@xxxxxxx> (commit_signer:1/3=33%,authored:1/3=33%,added_lines:1/8=12%,removed_lines:1/3=33%)
> Christophe Leroy <christophe.leroy@xxxxxx> (commit_signer:1/3=33%,authored:1/3=33%,added_lines:4/8=50%)
> linuxppc-dev@xxxxxxxxxxxxxxxx (open list:LINUX FOR POWERPC (32-BIT AND 64-BIT))
> linux-kernel@xxxxxxxxxxxxxxx (open list)
>
> I'm not listed there at all, any specific reason you sent this to me?
> Nothing I can do with it...
>

Just some finger trouble on my side. Please disregard and sorry for the 
noise.

---
Best Regards, Laurentiu