Re: sparc64 vs. gcc 4.8
Michael <[email protected]>
| Newsgroups | gmane.os.netbsd.ports.sparc64 |
|---|---|
| Message-ID | <20141005110213.117a577c@glenlivet> |
Hello, On Fri, 3 Oct 2014 16:15:39 +0000 (UTC) Eduardo Horvath <[email protected]> wrote: > One thing to look at is the memory synchronization/locking routines. > I was looking at running the kernel in RMO mode and found that the > memory barriers used in the mutex code are just... wrong. I've been wondering if gcc 4.8 isn't really at fault here and just exposes / no longer hides a bug or ten in our code, especially since userland code is fine and we're seeing similar problems on powerpc. have fun Michael