[PATCH] genirq: msi: simplify msi enable and disable
The problem. Because the disable routines leave the msi interrupts in all sorts of half enabled states the enable routines become impossible to implement correctly, and almost impossible to understand. Simplifing this allows me to simply kill the buggy reroute_msix_table, and generally makes the code more maintainable. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Rajesh Shah <rajesh.shah@intel.com> Cc: Andi Kleen <ak@muc.de> Cc: "Protasevich, Natalie" <Natalie.Protasevich@UNISYS.com> Cc: "Luck, Tony" <tony.luck@intel.com> Cc: Rajesh Shah <rajesh.shah@intel.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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