diff options
| author | Joerg Roedel <jroedel@suse.de> | 2019-10-18 11:34:22 +0200 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2019-10-18 16:52:37 +0200 |
| commit | 46ac18c347b00be29b265c28209b0f3c38a1f142 (patch) | |
| tree | ec59ad83cad68ff3994928323dc38762397db82c /drivers/pinctrl/pinctrl-da850-pupd.c | |
| parent | ec21f17a9437e11bb29e5fa375aa31b472793c15 (diff) | |
iommu/amd: Check PM_LEVEL_SIZE() condition in locked section
The increase_address_space() function has to check the PM_LEVEL_SIZE()
condition again under the domain->lock to avoid a false trigger of the
WARN_ON_ONCE() and to avoid that the address space is increase more
often than necessary.
Reported-by: Qian Cai <cai@lca.pw>
Fixes: 754265bcab78 ("iommu/amd: Fix race in increase_address_space()")
Reviewed-by: Jerry Snitselaar <jsnitsel@redhat.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/pinctrl/pinctrl-da850-pupd.c')
0 files changed, 0 insertions, 0 deletions