dc0bde0f18
switching user regions (region 0-4) with schedlock. Avoid unnecessary recursion on schedlock by moving the core functionality to another function (pmap_switch()) where we assert schedlock is held. Turn pmap_install() into a wrapper that grabs schedlock. This minimizes the number of callsites that need to be changed. Since we already have schedlock in cpu_switch() and cpu_throw(), have them call pmap_switch() directly. These were also the only two calls to pmap_install() outside pmap.c, so make pmap_install() static and remove its prototype from pmap.h Approved by: re (blanket) |
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