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SubjectRe: [PATCH AUTOSEL for 4.14 015/161] printk: Add console owner and waiter logic to load balance console writes
On Mon, 16 Apr 2018 11:30:06 -0700
Linus Torvalds <torvalds@linux-foundation.org> wrote:

> On Mon, Apr 16, 2018 at 11:26 AM, Steven Rostedt <rostedt@goodmis.org> wrote:
> >
> > The problem is that it only fixed a critical bug, but didn't go far
> > enough to keep the bug fix from breaking API.
>
> An API breakage that gets noticed *is* a crtitical bug.

I totally agree with you. You misunderstood what I wrote.

I said there were two bugs here. The first bug was a possible accessing
bad memory bug. That needed to be fixed. The problem was by fixing
that, it broke API. But that's because the original code was broken
where it relied on broken code to get right. I never said the second
bug fix should not have been backported. I even said that the first bug
"didn't go far enough".

I hope the answer was not to revert the bug and put back the possible
bad memory access in to keep API. But it was to backport the second bug
fix that still has the first fix, but fixes the API breakage.

Yes, an API breakage is something I would label as critical to be
backported.

-- Steve

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