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[Qemu-devel] [PATCH] Revert "acpi: mark PMTIMER as unlocked"

From: Gerd Hoffmann
Subject: [Qemu-devel] [PATCH] Revert "acpi: mark PMTIMER as unlocked"
Date: Fri, 15 Apr 2016 08:43:29 +0200

This reverts commit 7070e085d490c396f9237c8f10bf8b6e69cd0066.

Commit message claims locking is not needed, but that appears
to not be true, seabios ehci driver runs into timekeeping problems
with this, see

Signed-off-by: Gerd Hoffmann <address@hidden>
 hw/acpi/core.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/hw/acpi/core.c b/hw/acpi/core.c
index 7925a1a..6a2f452 100644
--- a/hw/acpi/core.c
+++ b/hw/acpi/core.c
@@ -536,7 +536,6 @@ void acpi_pm_tmr_init(ACPIREGS *ar, acpi_update_sci_fn 
     ar->tmr.timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, acpi_pm_tmr_timer, ar);
     memory_region_init_io(&ar->tmr.io, memory_region_owner(parent),
                           &acpi_pm_tmr_ops, ar, "acpi-tmr", 4);
-    memory_region_clear_global_locking(&ar->tmr.io);
     memory_region_add_subregion(parent, 8, &ar->tmr.io);

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