Re: linux-next: build warnings after merge of the block tree
From: Jens Axboe
Date: Wed Apr 12 2023 - 12:35:12 EST
On 4/12/23 10:25?AM, Josh Poimboeuf wrote:
> On Wed, Apr 12, 2023 at 01:44:00PM +0200, Peter Zijlstra wrote:
>> On Tue, Apr 11, 2023 at 05:14:00PM -0700, Josh Poimboeuf wrote:
>>
>>> Peter, what do you think, should we make track uaccess state across
>>> function boundaries?
>>
>> So IIRC the goal was to explicitly dis-allow that. You want minimal code
>> executed with STAC and hence disallow calling stuff.
>
> I guess I was wondering if we could make an exception for calls to
> static IPA-optimized functions, so we wouldn't have to scramble to "fix"
> compiler optimizations.
>
> But for now, yeah let's just keep it simple.
>
> Jens, can you confirm this works? I added __noclone instead of removing
> static.
Yep, works for me.
--
Jens Axboe