Messages in this thread | | | Subject | Re: [PATCH] mm: fix up a spurious page fault whenever it happens | From | Steven Rostedt <> | Date | Thu, 23 May 2013 13:36:13 -0400 |
| |
On Thu, 2013-05-23 at 10:24 -0700, H. Peter Anvin wrote: > On 05/23/2013 08:27 AM, Steven Rostedt wrote: > > On Thu, 2013-05-23 at 08:06 -0700, H. Peter Anvin wrote: > > > >> We don't even need the jump_label infrastructure -- we have > >> static_cpu_has*() which actually predates jump_label although it uses > >> the same underlying ideas. > > > > Ah right. I wonder if it would be worth consolidating a lot of these > > "modifying of code" infrastructures. Which reminds me, I need to update > > text_poke() to do things similar to what ftrace does, and get rid of the > > stop machine code. > > > > Well, static_cpu_has*() just uses the alternatives infrastructure.
And as it's a boot time change only, it's not quite in the category of jump_labels and function tracing.
-- Steve
| |