Messages in this thread | | | Date | Sat, 23 Aug 2014 10:40:29 -0500 (CDT) | From | Christoph Lameter <> | Subject | Re: [PATCH 02/15] percpu: perform tlb flush after pcpu_map_pages() failure |
| |
On Fri, 22 Aug 2014, Tejun Heo wrote:
> If pcpu_map_pages() fails midway, it unmaps the already mapped pages. > Currently, it doesn't flush tlb after the partial unmapping. This may > be okay in most cases as the established mapping hasn't been used at > that point but it can go wrong and when it goes wrong it'd be > extremely difficult to track down.
So why is this separate? You added the unmapping in the last patch without the flushing and this is a fixup for the patch before?
| |