Re: [PATCH] compiler.h: Raise minimum version of GCC to 5.1 for arm64

From: Joe Perches
Date: Thu Jan 14 2021 - 19:31:47 EST


On Thu, 2021-01-14 at 13:18 -0800, Linus Torvalds wrote:
> On Thu, Jan 14, 2021 at 11:52 AM Joe Perches <joe@xxxxxxxxxxx> wrote:
> >
> > Given the upgrade requirement, and how clang version requirements
> > constantly change, how much more difficult would it be for others
> > to use gcc 7.1 or higher now instead of later?
>
> What was the argument for jumping all the way to gcc-7.1?
>
> I do think we want to have real reasons we can point to, rather than a
> "just because".

KASAN v5 instead of all the old versions
gcc 7.1 supports fallthrough.

Probably more, but those might be sufficient.