From: Ingo Molnar <mingo@elte.hu>
Date: Mon, 21 Apr 2008 11:39:53 +0000 (+0200)
Subject: x86: voyager fix
X-Git-Tag: firefly_0821_release~21555^2~2
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=fcbc04c0ab345f6e9cabc92a15f35031a10fde9f;p=firefly-linux-kernel-4.4.55.git

x86: voyager fix

Reported-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 87a693cf2bb7..4d350b5cbc71 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -23,7 +23,7 @@ config X86
 	select HAVE_KPROBES
 	select HAVE_KRETPROBES
 	select HAVE_KVM if ((X86_32 && !X86_VOYAGER && !X86_VISWS && !X86_NUMAQ) || X86_64)
-	select HAVE_ARCH_KGDB
+	select HAVE_ARCH_KGDB if !X86_VOYAGER
 
 
 config GENERIC_LOCKBREAK
diff --git a/arch/x86/mach-voyager/voyager_smp.c b/arch/x86/mach-voyager/voyager_smp.c
index 96f60c7cd124..d05722121d24 100644
--- a/arch/x86/mach-voyager/voyager_smp.c
+++ b/arch/x86/mach-voyager/voyager_smp.c
@@ -206,11 +206,6 @@ static struct irq_chip vic_chip = {
 /* used to count up as CPUs are brought on line (starts at 0) */
 static int cpucount = 0;
 
-/* steal a page from the bottom of memory for the trampoline and
- * squirrel its address away here.  This will be in kernel virtual
- * space */
-unsigned char *trampoline_base;
-
 /* The per cpu profile stuff - used in smp_local_timer_interrupt */
 static DEFINE_PER_CPU(int, prof_multiplier) = 1;
 static DEFINE_PER_CPU(int, prof_old_multiplier) = 1;
@@ -427,18 +422,6 @@ void __init smp_store_cpu_info(int id)
 	identify_secondary_cpu(c);
 }
 
-/* set up the trampoline and return the physical address of the code */
-unsigned long __init setup_trampoline(void)
-{
-	/* these two are global symbols in trampoline.S */
-	extern const __u8 trampoline_end[];
-	extern const __u8 trampoline_data[];
-
-	memcpy(trampoline_base, trampoline_data,
-	       trampoline_end - trampoline_data);
-	return virt_to_phys(trampoline_base);
-}
-
 /* Routine initially called when a non-boot CPU is brought online */
 static void __init start_secondary(void *unused)
 {