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Message-ID: <20070704080938.GA13258@in.ibm.com>
Date: Wed, 4 Jul 2007 13:39:38 +0530
From: Vivek Goyal <vgoyal@...ibm.com>
To: linux kernel mailing list <linux-kernel@...r.kernel.org>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>,
Morton Andrew Morton <akpm@...ux-foundation.org>,
Len Brown <lenb@...nel.org>, rdreier@...co.com,
Natalie Protasevich <protasnb@...il.com>
Subject: [PATCH] i386: es7000 build breakage fix
o Commit 1833d6bc72893265f22addd79cf52e6987496e0f broke the build if
compiled with CONFIG_ES7000=y and CONFIG_X86_GENERICARCH=n
arch/i386/kernel/built-in.o(.init.text+0x4fa9): In function `acpi_parse_madt':
: undefined reference to `acpi_madt_oem_check'
arch/i386/kernel/built-in.o(.init.text+0x7406): In function `smp_read_mpc':
: undefined reference to `mps_oem_check'
arch/i386/kernel/built-in.o(.init.text+0x8990): In function
`connect_bsp_APIC':
: undefined reference to `enable_apic_mode'
make: *** [.tmp_vmlinux1] Error 1
o Fix the build issue. Provided the definitions of missing functions.
o Don't have ES7000 machine. Only compile tested.
arch/i386/mach-es7000/es7000plat.c | 48 ++++++++++++++++++++++++++++
include/asm-i386/mach-es7000/mach_apic.h | 4 ++
include/asm-i386/mach-es7000/mach_mpparse.h | 6 +++
3 files changed, 58 insertions(+)
diff -puN arch/i386/mach-es7000/es7000plat.c~i386-es7000-build-breakage-fix arch/i386/mach-es7000/es7000plat.c
--- linux-2.6.22-rc7/arch/i386/mach-es7000/es7000plat.c~i386-es7000-build-breakage-fix 2007-07-04 13:49:01.000000000 +0530
+++ linux-2.6.22-rc7-root/arch/i386/mach-es7000/es7000plat.c 2007-07-04 13:49:01.000000000 +0530
@@ -40,6 +40,7 @@
#include <asm/smp.h>
#include <asm/apicdef.h>
#include "es7000.h"
+#include <mach_mpparse.h>
/*
* ES7000 Globals
@@ -174,6 +175,53 @@ find_unisys_acpi_oem_table(unsigned long
}
#endif
+/*
+ * This file also gets compiled if CONFIG_X86_GENERICARCH is set. Generic
+ * arch already has got following function definitions (asm-generic/es7000.c)
+ * hence no need to define these for that case.
+ */
+#ifndef CONFIG_X86_GENERICARCH
+void es7000_sw_apic(void);
+void __init enable_apic_mode(void)
+{
+ es7000_sw_apic();
+ return;
+}
+
+__init int mps_oem_check(struct mp_config_table *mpc, char *oem,
+ char *productid)
+{
+ if (mpc->mpc_oemptr) {
+ struct mp_config_oemtable *oem_table =
+ (struct mp_config_oemtable *)mpc->mpc_oemptr;
+ if (!strncmp(oem, "UNISYS", 6))
+ return parse_unisys_oem((char *)oem_table);
+ }
+ return 0;
+}
+#ifdef CONFIG_ACPI
+/* Hook from generic ACPI tables.c */
+int __init acpi_madt_oem_check(char *oem_id, char *oem_table_id)
+{
+ unsigned long oem_addr;
+ if (!find_unisys_acpi_oem_table(&oem_addr)) {
+ if (es7000_check_dsdt())
+ return parse_unisys_oem((char *)oem_addr);
+ else {
+ setup_unisys();
+ return 1;
+ }
+ }
+ return 0;
+}
+#else
+int __init acpi_madt_oem_check(char *oem_id, char *oem_table_id)
+{
+ return 0;
+}
+#endif
+#endif /* COFIG_X86_GENERICARCH */
+
static void
es7000_spin(int n)
{
diff -puN include/asm-i386/mach-es7000/mach_apic.h~i386-es7000-build-breakage-fix include/asm-i386/mach-es7000/mach_apic.h
--- linux-2.6.22-rc7/include/asm-i386/mach-es7000/mach_apic.h~i386-es7000-build-breakage-fix 2007-07-04 13:49:01.000000000 +0530
+++ linux-2.6.22-rc7-root/include/asm-i386/mach-es7000/mach_apic.h 2007-07-04 13:49:01.000000000 +0530
@@ -73,6 +73,10 @@ static inline void init_apic_ldr(void)
apic_write_around(APIC_LDR, val);
}
+#ifndef CONFIG_X86_GENERICARCH
+extern void enable_apic_mode(void);
+#endif
+
extern int apic_version [MAX_APICS];
static inline void setup_apic_routing(void)
{
diff -puN include/asm-i386/mach-es7000/mach_mpparse.h~i386-es7000-build-breakage-fix include/asm-i386/mach-es7000/mach_mpparse.h
--- linux-2.6.22-rc7/include/asm-i386/mach-es7000/mach_mpparse.h~i386-es7000-build-breakage-fix 2007-07-04 13:49:01.000000000 +0530
+++ linux-2.6.22-rc7-root/include/asm-i386/mach-es7000/mach_mpparse.h 2007-07-04 13:49:01.000000000 +0530
@@ -18,6 +18,12 @@ extern int parse_unisys_oem (char *oempt
extern int find_unisys_acpi_oem_table(unsigned long *oem_addr);
extern void setup_unisys(void);
+#ifndef CONFIG_X86_GENERICARCH
+extern int acpi_madt_oem_check(char *oem_id, char *oem_table_id);
+extern int mps_oem_check(struct mp_config_table *mpc, char *oem,
+ char *productid);
+#endif
+
#ifdef CONFIG_ACPI
static inline int es7000_check_dsdt(void)
_
-
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