ref: c968cf88a96c8b0dadd36750a0626d6bbbec455e
parent: 2444bb26dce649c4390b318b2b6e22ed195b1e73
author: cinap_lenrek <cinap_lenrek@felloff.net>
date: Wed Jun 18 16:49:16 EDT 2025
kernel: lock segment in segpage() In the way it segpage() is currently used, it should not strictly be required, however for consistency, we should lock the segment when manipulating ptes.
--- a/sys/src/9/port/segment.c
+++ b/sys/src/9/port/segment.c
@@ -222,6 +222,7 @@
uintptr soff;
Page **pg;
+ qlock(s);
if(p->va < s->base || p->va >= s->top || s->mapsize == 0)
panic("segpage");@@ -236,6 +237,7 @@
etp->first = pg;
if(pg > etp->last)
etp->last = pg;
+ qunlock(s);
}
Image*
--
⑨