Re: [PATCH v2 00/13] arch, mm: deprecate DISCONTIGMEM

Jens Axboe
2020-12-01T15:03:03Z

On 12/1/20 6:56 AM, Mike Rapoport wrote:
> (added Jens)
>
> On Tue, Dec 01, 2020 at 01:16:05PM +0100, John Paul Adrian Glaubitz wrote:
>> Hi Mike!
>>
>> On 12/1/20 1:10 PM, Mike Rapoport wrote:
>>> On Tue, Dec 01, 2020 at 12:35:09PM +0100, John Paul Adrian Glaubitz wrote:
>>>> Hi Mike!
>>>>
>>>> On 12/1/20 11:29 AM, Mike Rapoport wrote:
>>>>> These changes are in linux-mm tree (https://www.ozlabs.org/~akpm/mmotm/
>>>>> with a mirror at https://github.com/hnaz/linux-mm)
>>>>>
>>>>> I beleive they will be coming in 5.11.
>>>>
>>>> Just pulled from that tree and gave it a try, it actually fails to build:
>>>>
>>>> LDS arch/ia64/kernel/vmlinux.lds
>>>> AS arch/ia64/kernel/entry.o
>>>> arch/ia64/kernel/entry.S: Assembler messages:
>>>> arch/ia64/kernel/entry.S:710: Error: Operand 2 of `and' should be a general register
>>>> arch/ia64/kernel/entry.S:710: Error: qualifying predicate not followed by instruction
>>>> arch/ia64/kernel/entry.S:848: Error: Operand 2 of `and' should be a general register
>>>> arch/ia64/kernel/entry.S:848: Error: qualifying predicate not followed by instruction
>>>> GEN usr/initramfs_data.cpio
>>>> make[1]: *** [scripts/Makefile.build:364: arch/ia64/kernel/entry.o] Error 1
>>>> make: *** [Makefile:1797: arch/ia64/kernel] Error 2
>>>> make: *** Waiting for unfinished jobs....
>>>> CC init/do_mounts_initrd.o
>>>> SHIPPED usr/initramfs_inc_data
>>>> AS usr/initramfs_data.o
>>>
>>> Hmm, it was buidling fine with v5.10-rc2-mmotm-2020-11-07-21-40.
>>> I'll try to see what could cause this.
>>>
>>> Do you build with defconfig or do you use a custom config?
>>
>> That's with "localmodconfig", see attached configuration file.
>
> Thanks.
> It seems that the recent addition of TIF_NOTIFY_SIGNAL to ia64 in
> linux-next caused the issue. Can you please try the below patch?

That's a lot of typos in that patch... I wonder why the buildbot hasn't
complained about this. Thanks for fixing this up! I'm going to fold this
into the original to avoid the breakage.

--
Jens Axboe