Messages in this thread | | | Date | Fri, 8 Apr 2022 20:49:25 -0400 | From | Steven Rostedt <> | Subject | Re: [RFC][PATCH] timers: Add del_time_free() to be called before freeing timers |
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On Fri, 8 Apr 2022 14:30:21 -1000 Linus Torvalds <torvalds@linux-foundation.org> wrote:
> On Fri, Apr 8, 2022 at 2:22 PM Steven Rostedt <rostedt@goodmis.org> wrote: > > > > We could always use the LSB bit of the function as a "shutdown" flag, where: > > While we do that for data pointers, doing it for function pointers is dodgy. > > Not all architectures necessarily align code pointers. In fact, I > think that "-Os" on x86 makes all code alignment go away, and so > function pointers have no alignment at all.
Hmm, well, I'm not sure it would work for all architectures, but what about the MSB? Setting it to zero on "shutdown"?
-- Steve
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