diff options
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/Kconfig | 5 | ||||
| -rw-r--r-- | arch/powerpc/kernel/irq.c | 2 | ||||
| -rw-r--r-- | arch/powerpc/kernel/misc_32.S | 2 | ||||
| -rw-r--r-- | arch/powerpc/kernel/misc_64.S | 2 | ||||
| -rw-r--r-- | arch/powerpc/kernel/udbg.c | 6 | ||||
| -rw-r--r-- | arch/powerpc/mm/fault.c | 2 |
6 files changed, 12 insertions, 7 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index feab3bad6d0f..86e2322af8d9 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -69,10 +69,11 @@ config LOCKDEP_SUPPORT config RWSEM_GENERIC_SPINLOCK bool + default y if PREEMPT_RT_FULL config RWSEM_XCHGADD_ALGORITHM bool - default y + default y if !PREEMPT_RT_FULL config GENERIC_LOCKBREAK bool @@ -282,7 +283,7 @@ menu "Kernel options" config HIGHMEM bool "High memory support" - depends on PPC32 + depends on PPC32 && !PREEMPT_RT_FULL source kernel/time/Kconfig source kernel/Kconfig.hz diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c index 5ec1b2354ca6..89fddc1402a7 100644 --- a/arch/powerpc/kernel/irq.c +++ b/arch/powerpc/kernel/irq.c @@ -523,6 +523,7 @@ void irq_ctx_init(void) } } +#ifndef CONFIG_PREEMPT_RT_FULL static inline void do_softirq_onstack(void) { struct thread_info *curtp, *irqtp; @@ -559,6 +560,7 @@ void do_softirq(void) local_irq_restore(flags); } +#endif irq_hw_number_t virq_to_hw(unsigned int virq) { diff --git a/arch/powerpc/kernel/misc_32.S b/arch/powerpc/kernel/misc_32.S index 7cd07b42ca1a..46c607300b29 100644 --- a/arch/powerpc/kernel/misc_32.S +++ b/arch/powerpc/kernel/misc_32.S @@ -36,6 +36,7 @@ .text +#ifndef CONFIG_PREEMPT_RT_FULL _GLOBAL(call_do_softirq) mflr r0 stw r0,4(r1) @@ -46,6 +47,7 @@ _GLOBAL(call_do_softirq) lwz r0,4(r1) mtlr r0 blr +#endif _GLOBAL(call_handle_irq) mflr r0 diff --git a/arch/powerpc/kernel/misc_64.S b/arch/powerpc/kernel/misc_64.S index 616921ef1439..2961d7521726 100644 --- a/arch/powerpc/kernel/misc_64.S +++ b/arch/powerpc/kernel/misc_64.S @@ -29,6 +29,7 @@ .text +#ifndef CONFIG_PREEMPT_RT_FULL _GLOBAL(call_do_softirq) mflr r0 std r0,16(r1) @@ -39,6 +40,7 @@ _GLOBAL(call_do_softirq) ld r0,16(r1) mtlr r0 blr +#endif _GLOBAL(call_handle_irq) ld r8,0(r6) diff --git a/arch/powerpc/kernel/udbg.c b/arch/powerpc/kernel/udbg.c index c39c1ca77f46..8b00aab452bf 100644 --- a/arch/powerpc/kernel/udbg.c +++ b/arch/powerpc/kernel/udbg.c @@ -179,15 +179,13 @@ static struct console udbg_console = { .index = 0, }; -static int early_console_initialized; - /* * Called by setup_system after ppc_md->probe and ppc_md->early_init. * Call it again after setting udbg_putc in ppc_md->setup_arch. */ void __init register_early_udbg_console(void) { - if (early_console_initialized) + if (early_console) return; if (!udbg_putc) @@ -197,7 +195,7 @@ void __init register_early_udbg_console(void) printk(KERN_INFO "early console immortal !\n"); udbg_console.flags &= ~CON_BOOT; } - early_console_initialized = 1; + early_console = &udbg_console; register_console(&udbg_console); } diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c index 08ffcf52a856..7bd8f27ccd1e 100644 --- a/arch/powerpc/mm/fault.c +++ b/arch/powerpc/mm/fault.c @@ -261,7 +261,7 @@ int __kprobes do_page_fault(struct pt_regs *regs, unsigned long address, if (!arch_irq_disabled_regs(regs)) local_irq_enable(); - if (in_atomic() || mm == NULL) { + if (!mm || pagefault_disabled()) { if (!user_mode(regs)) return SIGSEGV; /* in_atomic() in user mode is really bad, |