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-rw-r--r--arch/arm/kernel/bios32.c5
-rw-r--r--arch/arm/kernel/entry-ftrace.S18
2 files changed, 17 insertions, 6 deletions
diff --git a/arch/arm/kernel/bios32.c b/arch/arm/kernel/bios32.c
index d334c7fb672b..b5793e8fbdc1 100644
--- a/arch/arm/kernel/bios32.c
+++ b/arch/arm/kernel/bios32.c
@@ -10,6 +10,7 @@
#include <linux/kernel.h>
#include <linux/pci.h>
#include <linux/slab.h>
+#include <linux/string_choices.h>
#include <linux/init.h>
#include <linux/io.h>
@@ -337,8 +338,8 @@ void pcibios_fixup_bus(struct pci_bus *bus)
/*
* Report what we did for this bus
*/
- pr_info("PCI: bus%d: Fast back to back transfers %sabled\n",
- bus->number, (features & PCI_COMMAND_FAST_BACK) ? "en" : "dis");
+ pr_info("PCI: bus%d: Fast back to back transfers %s\n",
+ bus->number, str_enabled_disabled(features & PCI_COMMAND_FAST_BACK));
}
EXPORT_SYMBOL(pcibios_fixup_bus);
diff --git a/arch/arm/kernel/entry-ftrace.S b/arch/arm/kernel/entry-ftrace.S
index bc598e3d8dd2..e24ee559af81 100644
--- a/arch/arm/kernel/entry-ftrace.S
+++ b/arch/arm/kernel/entry-ftrace.S
@@ -257,11 +257,21 @@ ENDPROC(ftrace_graph_regs_caller)
#ifdef CONFIG_FUNCTION_GRAPH_TRACER
ENTRY(return_to_handler)
- stmdb sp!, {r0-r3}
- add r0, sp, #16 @ sp at exit of instrumented routine
+ mov ip, sp @ sp at exit of instrumented routine
+ sub sp, #PT_REGS_SIZE
+ str r0, [sp, #S_R0]
+ str r1, [sp, #S_R1]
+ str r2, [sp, #S_R2]
+ str r3, [sp, #S_R3]
+ str ip, [sp, #S_FP]
+ mov r0, sp
bl ftrace_return_to_handler
- mov lr, r0 @ r0 has real ret addr
- ldmia sp!, {r0-r3}
+ mov lr, r0 @ r0 has real ret addr
+ ldr r3, [sp, #S_R3]
+ ldr r2, [sp, #S_R2]
+ ldr r1, [sp, #S_R1]
+ ldr r0, [sp, #S_R0]
+ add sp, sp, #PT_REGS_SIZE @ restore stack pointer
ret lr
ENDPROC(return_to_handler)
#endif