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[v2,14/23] Revert "acpi: mark PMTIMER as unlocked"

Message ID 1462795687-25698-15-git-send-email-stefanha@redhat.com (mailing list archive)
State New, archived
Headers show

Commit Message

Stefan Hajnoczi May 9, 2016, 12:07 p.m. UTC 
From: Gerd Hoffmann <kraxel@redhat.com>

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
	https://bugzilla.redhat.com/show_bug.cgi?id=1322713

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 1460702609-25971-1-git-send-email-kraxel@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
 hw/acpi/core.c | 1 -
 1 file changed, 1 deletion(-)
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Patch

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 update_sci,
     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);
 }