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| author | Mateusz Guzik <mjg@FreeBSD.org> | 2020-02-12 11:17:45 +0000 |
|---|---|---|
| committer | Mateusz Guzik <mjg@FreeBSD.org> | 2020-02-12 11:17:45 +0000 |
| commit | 123c51973174fd8250f835975b0bb56bdd93e657 (patch) | |
| tree | c3da070daaa29a308ddec4b3ff1afaab652a0f3c /sys/xen | |
| parent | 00ac9d2632391c51891d45d97c7cf0a761c1ba84 (diff) | |
| download | src-123c51973174fd8250f835975b0bb56bdd93e657.tar.gz src-123c51973174fd8250f835975b0bb56bdd93e657.zip | |
vfs: switch to smp_rendezvous_cpus_retry for vfs_op_thread_enter/exit
In particular on amd64 this eliminates an atomic op in the common case,
trading it for IPIs in the uncommon case of catching CPUs executing the
code while the filesystem is getting suspended or unmounted.
Notes
Notes:
svn path=/head/; revision=357810
Diffstat (limited to 'sys/xen')
0 files changed, 0 insertions, 0 deletions