2010-07-07 11:12:45 +00:00
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From: Jeff Mahoney <jeffm@suse.com>
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Subject: acpi: don't preempt until the system is up
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2011-04-19 20:09:59 +00:00
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Patch-mainline: Probably never
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2010-07-07 11:12:45 +00:00
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This is needed to avoid scheduling while atomic BUGs with the
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DSDT in initramfs patches.
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Signed-off-by: Jeff Mahoney <jeffm@suse.com>
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---
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drivers/acpi/acpica/psloop.c | 3 ++-
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1 file changed, 2 insertions(+), 1 deletion(-)
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--- a/drivers/acpi/acpica/psloop.c
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+++ b/drivers/acpi/acpica/psloop.c
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@@ -843,7 +843,8 @@ acpi_ps_complete_op(struct acpi_walk_sta
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*op = NULL;
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}
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- ACPI_PREEMPTION_POINT();
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+ if (system_state == SYSTEM_RUNNING)
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+ ACPI_PREEMPTION_POINT();
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return_ACPI_STATUS(AE_OK);
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}
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