On Fri, Jan 08, 2021 at 10:21:54AM +0100, Peter Zijlstra wrote: > On Thu, Jan 07, 2021 at 10:20:38PM +0100, Arnd Bergmann wrote: > > On Thu, Jan 7, 2021 at 2:37 PM Russell King - ARM Linux admin > > > > So, do we raise the minimum gcc version for the kernel as a whole to 5.1 > > > or just for aarch64? > > > > I'd personally love to see gcc-5 as the global minimum version, as that > > would let us finally use --std=gnu11 features instead of gnu89. [There are > > a couple of useful features that are incompatible with gnu89, and > > gnu99/gnu11 support in gcc didn't like the kernel sources] > > +1 for raising the tree-wide minimum (again!). We actually have a bunch > of work-arounds for 4.9 bugs we can get rid of as well. We even just added another one for arm64 KVM! [1] So yes, I'm in favour of leaving gcc 4.9 to rot as well, especially after this ext4 debugging experience. Will [1] https://git.kernel.org/linus/9fd339a45be5