Aarch64 EXT4FS inode checksum failures - seems to be weak memory ordering issues

Florian Weimer fweimer at redhat.com
Tue Jan 12 08:31:45 EST 2021


* Lukas Wunner:

> On Fri, Jan 08, 2021 at 12:02:53PM -0800, Linus Torvalds wrote:
>> I appreciate Arnd pointing out "--std=gnu11", though. What are the
>> actual relevant language improvements?
>> 
>> Variable declarations in for-loops is the only one I can think of. I
>> think that would clean up some code (and some macros), but might not
>> be compelling on its own.
>
> Anonymous structs/unions.  I used to have a use case for that in
> struct efi_dev_path in include/linux/efi.h, but Ard Biesheuvel
> refactored it in a gnu89-compatible way for v5.7 with db8952e7094f.

Aren't those a GNU extension supported since GCC 3.0?

Thanks,
Florian
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