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authorPaolo Bonzini <pbonzini@redhat.com>2022-01-18 04:45:32 -0500
committerPaolo Bonzini <pbonzini@redhat.com>2022-01-19 12:14:02 -0500
commit4f5a884fc212d99654e4fb36ba98d5354f0dd18e (patch)
treef4ac26f5acd43be75cb9d3b2f89fa92c40dbc8ee /mm/backing-dev.c
parentKVM: avoid warning on s390 in mark_page_dirty (diff)
parentKVM: VMX: switch blocked_vcpu_on_cpu_lock to raw spinlock (diff)
downloadwireguard-linux-4f5a884fc212d99654e4fb36ba98d5354f0dd18e.tar.xz
wireguard-linux-4f5a884fc212d99654e4fb36ba98d5354f0dd18e.zip
Merge branch 'kvm-pi-raw-spinlock' into HEAD
Bring in fix for VT-d posted interrupts before further changing the code in 5.17. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'mm/backing-dev.c')
-rw-r--r--mm/backing-dev.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/mm/backing-dev.c b/mm/backing-dev.c
index 1eead4761011..eae96dfe0261 100644
--- a/mm/backing-dev.c
+++ b/mm/backing-dev.c
@@ -945,6 +945,13 @@ void bdi_unregister(struct backing_dev_info *bdi)
wb_shutdown(&bdi->wb);
cgwb_bdi_unregister(bdi);
+ /*
+ * If this BDI's min ratio has been set, use bdi_set_min_ratio() to
+ * update the global bdi_min_ratio.
+ */
+ if (bdi->min_ratio)
+ bdi_set_min_ratio(bdi, 0);
+
if (bdi->dev) {
bdi_debug_unregister(bdi);
device_unregister(bdi->dev);