diff options
| -rw-r--r-- | arch/arm/Kconfig | 1 | ||||
| -rw-r--r-- | arch/arm/kernel/bios32.c | 5 | ||||
| -rw-r--r-- | arch/arm/kernel/entry-ftrace.S | 18 | ||||
| -rw-r--r-- | arch/arm/mm/cache-l2x0.c | 7 | ||||
| -rw-r--r-- | arch/arm/mm/fault.c | 3 |
5 files changed, 23 insertions, 11 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index b1f3df39ed40..ba84c6f7f5f7 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -108,6 +108,7 @@ config ARM select HAVE_GUP_FAST if ARM_LPAE select HAVE_FUNCTION_ERROR_INJECTION select HAVE_FUNCTION_GRAPH_TRACER + select HAVE_FUNCTION_GRAPH_FREGS select HAVE_FUNCTION_TRACER if !XIP_KERNEL select HAVE_GCC_PLUGINS select HAVE_HW_BREAKPOINT if PERF_EVENTS && (CPU_V6 || CPU_V6K || CPU_V7) 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 diff --git a/arch/arm/mm/cache-l2x0.c b/arch/arm/mm/cache-l2x0.c index 43d91bfd2360..470867160076 100644 --- a/arch/arm/mm/cache-l2x0.c +++ b/arch/arm/mm/cache-l2x0.c @@ -13,6 +13,7 @@ #include <linux/io.h> #include <linux/of.h> #include <linux/of_address.h> +#include <linux/string_choices.h> #include <asm/cacheflush.h> #include <asm/cp15.h> @@ -667,9 +668,9 @@ static void __init l2c310_enable(void __iomem *base, unsigned num_lock) u32 power_ctrl; power_ctrl = readl_relaxed(base + L310_POWER_CTRL); - pr_info("L2C-310 dynamic clock gating %sabled, standby mode %sabled\n", - power_ctrl & L310_DYNAMIC_CLK_GATING_EN ? "en" : "dis", - power_ctrl & L310_STNDBY_MODE_EN ? "en" : "dis"); + pr_info("L2C-310 dynamic clock gating %s, standby mode %s\n", + str_enabled_disabled(power_ctrl & L310_DYNAMIC_CLK_GATING_EN), + str_enabled_disabled(power_ctrl & L310_STNDBY_MODE_EN)); } if (aux & L310_AUX_CTRL_FULL_LINE_ZERO) diff --git a/arch/arm/mm/fault.c b/arch/arm/mm/fault.c index 46169fe42c61..2bc828a1940c 100644 --- a/arch/arm/mm/fault.c +++ b/arch/arm/mm/fault.c @@ -135,8 +135,7 @@ static void die_kernel_fault(const char *msg, struct mm_struct *mm, bust_spinlocks(1); pr_alert("8<--- cut here ---\n"); pr_alert("Unable to handle kernel %s at virtual address %08lx when %s\n", - msg, addr, fsr & FSR_LNX_PF ? "execute" : - fsr & FSR_WRITE ? "write" : "read"); + msg, addr, fsr & FSR_LNX_PF ? "execute" : str_write_read(fsr & FSR_WRITE)); show_pte(KERN_ALERT, mm, addr); die("Oops", regs, fsr); |