CVS commit: src/sys/arch/alpha/alpha

[Andrew Doran <ad%netbsd.org@localhost>]

Module Name:    src
Committed By:   ad
Date:           Sat Jan 12 16:45:29 UTC 2008

Modified Files:
        src/sys/arch/alpha/alpha: pmap.c

Log Message:
Fix some problems with TLB shootdown and (hopefully) make it faster. This
had the potential to cause problems prior to 4.99.48 because it called into
the VM system without kernel_lock held.

XXX1 pmap_update() should be waiting for shootdown jobs to complete. It's
not clear how to do that because the shootdowns happen at IPL_VM.

XXX2 allocating a tlb shootdown job could recurse through pmap_kenter_pa().


To generate a diff of this commit:
cvs rdiff -r1.229 -r1.230 src/sys/arch/alpha/alpha/pmap.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.