[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <6527c6fa-8908-1d8d-2f9e-bb7636a27874@kernel.dk>
Date: Wed, 12 Apr 2023 10:35:04 -0600
From: Jens Axboe <axboe@...nel.dk>
To: Josh Poimboeuf <jpoimboe@...nel.org>,
Peter Zijlstra <peterz@...radead.org>
Cc: Stephen Rothwell <sfr@...b.auug.org.au>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: Re: linux-next: build warnings after merge of the block tree
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
Powered by blists - more mailing lists