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author | Frans Kaashoek <[email protected]> | 2019-07-02 09:14:47 -0400 |
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committer | Frans Kaashoek <[email protected]> | 2019-07-02 09:14:47 -0400 |
commit | 67702cf706bce7adef472f0caa48d81ddfaeb33a (patch) | |
tree | fd61e4036c4f5ec0944c987a7dffc9c04422d8c6 /kernel/sysproc.c | |
parent | 535ac52efadc5c5cdb0483ad55c306cfaff71d50 (diff) | |
download | xv6-labs-67702cf706bce7adef472f0caa48d81ddfaeb33a.tar.gz xv6-labs-67702cf706bce7adef472f0caa48d81ddfaeb33a.tar.bz2 xv6-labs-67702cf706bce7adef472f0caa48d81ddfaeb33a.zip |
Checkpoint switching to per-process locks, in attempt clarify xv6's
locking plan, which is a difficult to understand because ptable lock
protects many invariants. This implementation has a bug: once in a
while xv6 unlocks a proc lock that is locked by another core.
Diffstat (limited to 'kernel/sysproc.c')
-rw-r--r-- | kernel/sysproc.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/sysproc.c b/kernel/sysproc.c index e57e045..65dde26 100644 --- a/kernel/sysproc.c +++ b/kernel/sysproc.c @@ -4,6 +4,7 @@ #include "date.h" #include "param.h" #include "memlayout.h" +#include "spinlock.h" #include "proc.h" int |