]> git.ipfire.org Git - people/pmueller/ipfire-2.x.git/blobdiff - src/patches/suse-2.6.27.31/patches.arch/x86-introduce-pci-ioapicreroute-kernel-cmdline.patch
Revert "Move xen patchset to new version's subdir."
[people/pmueller/ipfire-2.x.git] / src / patches / suse-2.6.27.31 / patches.arch / x86-introduce-pci-ioapicreroute-kernel-cmdline.patch
diff --git a/src/patches/suse-2.6.27.31/patches.arch/x86-introduce-pci-ioapicreroute-kernel-cmdline.patch b/src/patches/suse-2.6.27.31/patches.arch/x86-introduce-pci-ioapicreroute-kernel-cmdline.patch
deleted file mode 100644 (file)
index 0ecd3bc..0000000
+++ /dev/null
@@ -1,77 +0,0 @@
-From: Stefan Assmann <sassmann@suse.de>
-Subject: x86, pci: introduce pci=ioapicreroute kernel cmdline option
-
-Introduce pci=ioapicreroute kernel cmdline option to enable rerouting of boot
-interrupts to the primary io-apic.
-
-Signed-off-by: Stefan Assmann <sassmann@suse.de>
-Signed-off-by: Olaf Dabrunz <od@suse.de>
-Signed-off-by: Ingo Molnar <mingo@elte.hu>
----
- Documentation/kernel-parameters.txt |    4 ++++
- arch/x86/pci/common.c               |    5 +++++
- include/asm-x86/io_apic.h           |    4 ++++
- include/asm-x86/pci.h               |    1 +
- 4 files changed, 14 insertions(+)
-
---- a/arch/x86/pci/common.c
-+++ b/arch/x86/pci/common.c
-@@ -24,6 +24,7 @@ unsigned int pci_early_dump_regs;
- static int pci_bf_sort;
- int pci_routeirq;
- int noioapicquirk;
-+int noioapicreroute = 1;
- int pcibios_last_bus = -1;
- unsigned long pirq_table_addr;
- struct pci_bus *pci_root_bus;
-@@ -523,6 +524,10 @@ char * __devinit  pcibios_setup(char *st
-       } else if (!strcmp(str, "noioapicquirk")) {
-               noioapicquirk = 1;
-               return NULL;
-+      } else if (!strcmp(str, "ioapicreroute")) {
-+              if (noioapicreroute != -1)
-+                      noioapicreroute = 0;
-+              return NULL;
-       }
-       return str;
- }
---- a/Documentation/kernel-parameters.txt
-+++ b/Documentation/kernel-parameters.txt
-@@ -1569,6 +1569,10 @@ and is between 256 and 4096 characters. 
-               noioapicquirk   [APIC] Disable all boot interrupt quirks.
-                               Safety option to keep boot IRQs enabled. This
-                               should never be necessary.
-+              ioapicreroute   [APIC] Enable rerouting of boot IRQs to the
-+                              primary IO-APIC for bridges that cannot disable
-+                              boot IRQs. This fixes a source of spurious IRQs
-+                              when the system masks IRQs.
-               biosirq         [X86-32] Use PCI BIOS calls to get the interrupt
-                               routing table. These calls are known to be buggy
-                               on several machines and they hang the machine
---- a/include/asm-x86/io_apic.h
-+++ b/include/asm-x86/io_apic.h
-@@ -163,10 +163,14 @@ extern int timer_through_8259;
- /* 1 if "noapic" boot option passed */
- extern int noioapicquirk;
-+/* -1 if "noapic" boot option passed */
-+extern int noioapicreroute;
-+
- static inline void disable_ioapic_setup(void)
- {
- #ifdef CONFIG_PCI
-       noioapicquirk = 1;
-+      noioapicreroute = -1;
- #endif
-       skip_ioapic_setup = 1;
- }
---- a/include/asm-x86/pci.h
-+++ b/include/asm-x86/pci.h
-@@ -20,6 +20,7 @@ struct pci_sysdata {
- extern int pci_routeirq;
- extern int noioapicquirk;
-+extern int ioapicreroute;
- /* scan a bus after allocating a pci_sysdata for it */
- extern struct pci_bus *pci_scan_bus_on_node(int busno, struct pci_ops *ops,