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authorSinclair Yeh <syeh@vmware.com>2016-06-23 17:37:34 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2016-06-23 17:41:18 -0700
commit60842ef8128e7bf58c024814cd0dc14319232b6c (patch)
tree7f7579f8ca68d7bc2928f9c777836d53a716744d /include
parent226ba707744a51acb4244724e09caacb1d96aed9 (diff)
Input: vmmouse - remove port reservation
The VMWare EFI BIOS will expose port 0x5658 as an ACPI resource. This causes the port to be reserved by the APCI module as the system comes up, making it unavailable to be reserved again by other drivers, thus preserving this VMWare port for special use in a VMWare guest. This port is designed to be shared among multiple VMWare services, such as the VMMOUSE. Because of this, VMMOUSE should not try to reserve this port on its own. The VMWare non-EFI BIOS does not do this to preserve compatibility with existing/legacy VMs. It is known that there is small chance a VM may be configured such that these ports get reserved by other non-VMWare devices, and if this ever happens, the result is undefined. Signed-off-by: Sinclair Yeh <syeh@vmware.com> Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com> Cc: <stable@vger.kernel.org> # 4.1- Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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