commit | 60d79fd99ff3b9c692b260a4d53a203f537c052a | [log] [tgz] |
---|---|---|
author | Yinghai Lu <yinghai@kernel.org> | Tue Dec 07 00:59:49 2010 -0800 |
committer | Thomas Gleixner <tglx@linutronix.de> | Thu Dec 09 21:52:05 2010 +0100 |
tree | ee4abd4262825715f9a8d4f773229429bf9aa8ea | |
parent | 0450193bffed6e4b6160c4a5ccb0df158eba7d2a [diff] |
x86, ioapic: Avoid writing io_apic id if already correct For 32bit mptable path, setup_ids_from_mpc() always writes the io_apic id register, even there is no change needed. Skip the write, when readout and mptable match. Signed-off-by: Yinghai Lu <yinghai@kernel.org> Cc: Sebastian Siewior <bigeasy@linutronix.de> LKML-Reference: <4CFDF785.7010401@kernel.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>