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authorGabriel Somlo <somlo@cmu.edu>2016-03-08 13:30:50 -0500
committerMichael S. Tsirkin <mst@redhat.com>2016-04-07 15:16:40 +0300
commitdef7ac806a9ac035abf0e7573ccc8bbfd38e163c (patch)
tree0487db594de37d6fcc0794d919627a89dd45b034 /MAINTAINERS
parent05dbcb430795b2e1fb1d5c757f8619d3dbed0a1c (diff)
downloadlwn-def7ac806a9ac035abf0e7573ccc8bbfd38e163c.tar.gz
lwn-def7ac806a9ac035abf0e7573ccc8bbfd38e163c.zip
firmware: qemu_fw_cfg.c: hold ACPI global lock during device access
Allowing for the future possibility of implementing AML-based (i.e., firmware-triggered) access to the QEMU fw_cfg device, acquire the global ACPI lock when accessing the device on behalf of the guest-side sysfs driver, to prevent any potential race conditions. Suggested-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Gabriel Somlo <somlo@cmu.edu> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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