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authorPaolo Bonzini <pbonzini@redhat.com>2015-11-24 18:34:40 (GMT)
committerPaolo Bonzini <pbonzini@redhat.com>2015-11-24 18:34:40 (GMT)
commit8bd142c01648cdb33e9bcafa0448ba2c20ed814c (patch)
tree9197c60d3f9d4036f38f281a183e94750ceea1d7 /arch/parisc/kernel/traps.c
parentd792abacaf1a1a8dfea353fab699b97fa6251c2a (diff)
parentfbb4574ce9a37e15a9872860bf202f2be5bdf6c4 (diff)
downloadlinux-8bd142c01648cdb33e9bcafa0448ba2c20ed814c.tar.xz
Merge tag 'kvm-arm-for-v4.4-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into kvm-master
KVM/ARM Fixes for v4.4-rc3. Includes some timer fixes, properly unmapping PTEs, an errata fix, and two tweaks to the EL2 panic code.
Diffstat (limited to 'arch/parisc/kernel/traps.c')
-rw-r--r--arch/parisc/kernel/traps.c35
1 files changed, 15 insertions, 20 deletions
diff --git a/arch/parisc/kernel/traps.c b/arch/parisc/kernel/traps.c
index b99b39f..553b098 100644
--- a/arch/parisc/kernel/traps.c
+++ b/arch/parisc/kernel/traps.c
@@ -807,7 +807,7 @@ void notrace handle_interruption(int code, struct pt_regs *regs)
}
-int __init check_ivt(void *iva)
+void __init initialize_ivt(const void *iva)
{
extern u32 os_hpmc_size;
extern const u32 os_hpmc[];
@@ -818,8 +818,8 @@ int __init check_ivt(void *iva)
u32 *hpmcp;
u32 length;
- if (strcmp((char *)iva, "cows can fly"))
- return -1;
+ if (strcmp((const char *)iva, "cows can fly"))
+ panic("IVT invalid");
ivap = (u32 *)iva;
@@ -839,28 +839,23 @@ int __init check_ivt(void *iva)
check += ivap[i];
ivap[5] = -check;
-
- return 0;
}
-#ifndef CONFIG_64BIT
-extern const void fault_vector_11;
-#endif
-extern const void fault_vector_20;
-void __init trap_init(void)
+/* early_trap_init() is called before we set up kernel mappings and
+ * write-protect the kernel */
+void __init early_trap_init(void)
{
- void *iva;
+ extern const void fault_vector_20;
- if (boot_cpu_data.cpu_type >= pcxu)
- iva = (void *) &fault_vector_20;
- else
-#ifdef CONFIG_64BIT
- panic("Can't boot 64-bit OS on PA1.1 processor!");
-#else
- iva = (void *) &fault_vector_11;
+#ifndef CONFIG_64BIT
+ extern const void fault_vector_11;
+ initialize_ivt(&fault_vector_11);
#endif
- if (check_ivt(iva))
- panic("IVT invalid");
+ initialize_ivt(&fault_vector_20);
+}
+
+void __init trap_init(void)
+{
}