Re: [RFC PATCH 2/2] livepatch: Clear relocation targets on a module removal

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Thu, 5 Sep 2019, Josh Poimboeuf wrote:

> > All the indirect jumps are turned into alternatives when retpolines 
> > are in place.
> 
> Actually in C code those are done by the compiler as calls/jumps to
> __x86_indirect_thunk_*.

Sure, and the thunks do the redirection via JMP_NOSPEC / CALL_NOSPEC, 
which has alternative in it.

-- 
Jiri Kosina
SUSE Labs




[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Index of Archives]     [Linux Kernel]     [Linux NFS]     [Linux NILFS]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux SCSI]

  Powered by Linux