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99 lines
3.4 KiB
Text
99 lines
3.4 KiB
Text
From: Henrik Kretzschmar <henne@nachtwindheim.de>
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Subject: [PATCH 3/6] x86: ifdef INTR_REMAP code out
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Date: Mon, 14 Feb 2011 11:00:09 +0100
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Lines: 58
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Message-ID: <1297677612-12405-3-git-send-email-henne@nachtwindheim.de>
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References: <1297677612-12405-1-git-send-email-henne@nachtwindheim.de>
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Cc: tglx@linutronix.de, hpa@zytor.com, x86@kernel.org, tj@kernel.org,
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yinghai@kernel.org, ak@linux.intel.com, robert.richter@amd.com,
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linux-kernel@vger.kernel.org, henne@nachtwindheim.de
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To: mingo@readhat.com
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X-From: linux-kernel-owner@vger.kernel.org Mon Feb 14 11:01:30 2011
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for glk-linux-kernel-3@lo.gmane.org; Mon, 14 Feb 2011 11:01:26 +0100
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Interrupt remapping is only available on 64-bit machines,
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so it has no place in lapic_resume() for 32bit machines.
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Compilation on 32bit machines would produce errors here.
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Signed-off-by: Henrik Kretzschmar <henne@nachtwindheim.de>
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---
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arch/x86/kernel/apic/apic.c | 8 +++++++-
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1 files changed, 7 insertions(+), 1 deletions(-)
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diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
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index 27a7497..999c531 100644
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--- a/arch/x86/kernel/apic/apic.c
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+++ b/arch/x86/kernel/apic/apic.c
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@@ -2109,12 +2109,15 @@ static int lapic_resume(struct sys_device *dev)
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unsigned long flags;
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int maxlvt;
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int ret = 0;
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- struct IO_APIC_route_entry **ioapic_entries = NULL;
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if (!apic_pm_state.active)
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return 0;
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local_irq_save(flags);
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+
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+#ifdef CONFIG_INTR_REMAP
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+ struct IO_APIC_route_entry **ioapic_entries = NULL;
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+
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if (intr_remapping_enabled) {
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ioapic_entries = alloc_ioapic_entries();
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if (!ioapic_entries) {
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@@ -2133,6 +2136,7 @@ static int lapic_resume(struct sys_device *dev)
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mask_IO_APIC_setup(ioapic_entries);
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legacy_pic->mask_all();
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}
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+#endif
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if (x2apic_mode)
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enable_x2apic();
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@@ -2173,6 +2177,7 @@ static int lapic_resume(struct sys_device *dev)
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apic_write(APIC_ESR, 0);
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apic_read(APIC_ESR);
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+#ifdef CONFIG_INTR_REMAP
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if (intr_remapping_enabled) {
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reenable_intr_remapping(x2apic_mode);
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legacy_pic->restore_mask();
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@@ -2180,6 +2185,7 @@ static int lapic_resume(struct sys_device *dev)
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free_ioapic_entries(ioapic_entries);
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}
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restore:
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+#endif
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local_irq_restore(flags);
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return ret;
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--
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1.7.2.3
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