Kernel 4.7: PAGE_GUARDED and _PAGE_NO_CACHE

[Christian Zigotzky]

Hi Michael,

On 08 June 2016 at 04:52 AM, Michael Ellerman wrote:
> On Tue, 2016-06-07 at 22:17 +0200, Christian Zigotzky wrote:
>> 764041e0f43cc7846f6d8eb246d65b53cc06c764 is the first bad commit
>> commit 764041e0f43cc7846f6d8eb246d65b53cc06c764
>> Author: Aneesh Kumar K.V<aneesh.kumar at linux.vnet.ibm.com>
>> Date:   Fri Apr 29 23:26:09 2016 +1000
>>
>>       powerpc/mm/radix: Add checks in slice code to catch radix usage
>>
>>       Radix doesn't need slice support. Catch incorrect usage of slice code
>>       when radix is enabled.
>>
>>       Signed-off-by: Aneesh Kumar K.V<aneesh.kumar at linux.vnet.ibm.com>
>>       Signed-off-by: Michael Ellerman<mpe at ellerman.id.au>
>>
> Hmm, I find that hard to believe. But maybe I'm missing something.
>
> Can you checkout Linus' master and then revert that commit?
>
> cheers
>
>
$ git clone 
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git linux-git

$ git checkout
Your branch is up-to-date with 'origin/master'.

$ git revert 764041e0f43cc7846f6d8eb246d65b53cc06c764 -m 1
error: Mainline was specified but commit 
764041e0f43cc7846f6d8eb246d65b53cc06c764 is not a merge.
fatal: revert failed

How can I checkout Linus' master and then revert that commit?

Cheers,

Christian

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