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(parent: df38525) | patch
rombios/keyboard: Don't needlessly poll the status register
authorAndrew Cooper <andrew.cooper3@citrix.com>
Tue, 6 Aug 2013 13:48:36 +0000 (14:48 +0100)
committerIan Campbell <ian.campbell@citrix.com>
Thu, 8 Aug 2013 11:03:09 +0000 (12:03 +0100)
commit20025504271220ab3bf041955a3cd40c6057e58e
tree19eed07173a6d33114837bb01905b70758117fbbtree | snapshot
parentdf385252a770fe2e304ab51283b26d6afc6990d1commit | diff
rombios/keyboard: Don't needlessly poll the status register

Repeated polling of the status register is not going to change its value, so
don't needlessly take 8192 traps to Qemu when 1 will do.

Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
Acked-by: Keir Fraser <keir@xen.org>
tools/firmware/rombios/rombios.c diff | blob | history
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