Re: [MAINTAINERS/KERNEL SUMMIT] Trust and maintenance of file systems

Segher Boessenkool
2023-09-07T12:28:35Z

On Thu, Sep 07, 2023 at 07:22:45AM -0400, Steven Rostedt wrote:
> On Thu, 7 Sep 2023 06:04:09 -0500
> Segher Boessenkool <segher@kernel.crashing.org> wrote:
> > On Thu, Sep 07, 2023 at 12:48:25PM +0300, Dan Carpenter via Gcc-patches wrote:
> > No. You should patch your program, instead. One easy way is to add a
> > -Wno-error at the end of your command lines. Or even just -w if you
> > want or need a bigger hammer.
>
> That's not really possible when bisecting a kernel bug into older kernels.
> The build system is highly complex and requires hundreds of changes to do
> what you suggested. As it is for a bisection that takes a minimum of 13
> iterations, your approach just isn't feasible.

Isn't this exactly what KCFLAGS is for?

But, I meant to edit the build system. It isn't so hard to bisect with
patch stacks on top. Just a bit annoying.

Segher