Commit-ID: 15bac20bd8a039e9acb274785be82772e1237eed
Gitweb: http://git.kernel.org/tip/15bac20bd8a039e9acb274785be82772e1237eed
Author: Suresh Siddha <suresh.b.siddha@xxxxxxxxx>
AuthorDate: Wed, 18 May 2011 16:31:34 -0700
Committer: Ingo Molnar <mingo@xxxxxxx>
CommitDate: Fri, 20 May 2011 13:40:54 +0200
x86, ioapic: Remove duplicate code for saving/restoring RTEs
Code flow for enabling interrupt-remapping has its own routines
for saving and restoring io-apic RTE's. ioapic suspend/resume
code flow also has similar routines. Remove the duplicate code.
Tested-by: Daniel J Blueman <daniel.blueman@xxxxxxxxx>
Signed-off-by: Suresh Siddha <suresh.b.siddha@xxxxxxxxx>
Link: http://lkml.kernel.org/r/20110518233157.673130611@xxxxxxxxxxxxxxxxxxxxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxx>
---
arch/x86/kernel/apic/io_apic.c | 36 +++++-------------------------------
1 files changed, 5 insertions(+), 31 deletions(-)
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index 08b794d..4fc544d 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -2887,37 +2887,11 @@ static int __init io_apic_bug_finalize(void)
late_initcall(io_apic_bug_finalize);
-static void suspend_ioapic(int ioapic_id)
+static void resume_ioapic_id(int ioapic_id)
{
- struct IO_APIC_route_entry *saved_data = ioapic_saved_data[ioapic_id];
- int i;
-
- if (!saved_data)
- return;
-
- for (i = 0; i < nr_ioapic_registers[ioapic_id]; i++)
- saved_data[i] = ioapic_read_entry(ioapic_id, i);
-}
-
-static int ioapic_suspend(void)
-{
- int ioapic_id;
-
- for (ioapic_id = 0; ioapic_id < nr_ioapics; ioapic_id++)
- suspend_ioapic(ioapic_id);
-
- return 0;
-}
-
-static void resume_ioapic(int ioapic_id)
-{
- struct IO_APIC_route_entry *saved_data = ioapic_saved_data[ioapic_id];
unsigned long flags;
union IO_APIC_reg_00 reg_00;
- int i;
- if (!saved_data)
- return;
raw_spin_lock_irqsave(&ioapic_lock, flags);
reg_00.raw = io_apic_read(ioapic_id, 0);
@@ -2926,8 +2900,6 @@ static void resume_ioapic(int ioapic_id)
io_apic_write(ioapic_id, 0, reg_00.raw);
}
raw_spin_unlock_irqrestore(&ioapic_lock, flags);
- for (i = 0; i < nr_ioapic_registers[ioapic_id]; i++)
- ioapic_write_entry(ioapic_id, i, saved_data[i]);
}
static void ioapic_resume(void)
@@ -2935,11 +2907,13 @@ static void ioapic_resume(void)
int ioapic_id;
for (ioapic_id = nr_ioapics - 1; ioapic_id >= 0; ioapic_id--)
- resume_ioapic(ioapic_id);
+ resume_ioapic_id(ioapic_id);
+
+ restore_ioapic_entries();
}
static struct syscore_ops ioapic_syscore_ops = {
- .suspend = ioapic_suspend,
+ .suspend = save_ioapic_entries,
.resume = ioapic_resume,
};
--
To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
|