diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/mips/include/asm/atomic.h | 2 | ||||
| -rw-r--r-- | arch/mips/include/asm/cdmm.h | 11 | ||||
| -rw-r--r-- | arch/mips/kernel/idle.c | 5 | ||||
| -rw-r--r-- | arch/mips/kernel/traps.c | 2 | ||||
| -rw-r--r-- | arch/mips/kernel/vmlinux.lds.S | 10 |
5 files changed, 26 insertions, 4 deletions
diff --git a/arch/mips/include/asm/atomic.h b/arch/mips/include/asm/atomic.h index 4c42fd9af777..b34781752244 100644 --- a/arch/mips/include/asm/atomic.h +++ b/arch/mips/include/asm/atomic.h @@ -507,7 +507,7 @@ static __inline__ long atomic64_sub_if_positive(long i, atomic64_t * v) * @u: ...unless v is equal to u. * * Atomically adds @a to @v, so long as it was not @u. - * Returns the old value of @v. + * Returns true iff @v was not @u. */ static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u) { diff --git a/arch/mips/include/asm/cdmm.h b/arch/mips/include/asm/cdmm.h index bece2064cc8c..c06dbf8ba937 100644 --- a/arch/mips/include/asm/cdmm.h +++ b/arch/mips/include/asm/cdmm.h @@ -84,6 +84,17 @@ void mips_cdmm_driver_unregister(struct mips_cdmm_driver *); module_driver(__mips_cdmm_driver, mips_cdmm_driver_register, \ mips_cdmm_driver_unregister) +/* + * builtin_mips_cdmm_driver() - Helper macro for drivers that don't do anything + * special in init and have no exit. This eliminates some boilerplate. Each + * driver may only use this macro once, and calling it replaces device_initcall + * (or in some cases, the legacy __initcall). This is meant to be a direct + * parallel of module_mips_cdmm_driver() above but without the __exit stuff that + * is not used for builtin cases. + */ +#define builtin_mips_cdmm_driver(__mips_cdmm_driver) \ + builtin_driver(__mips_cdmm_driver, mips_cdmm_driver_register) + /* drivers/tty/mips_ejtag_fdc.c */ #ifdef CONFIG_MIPS_EJTAG_FDC_EARLYCON diff --git a/arch/mips/kernel/idle.c b/arch/mips/kernel/idle.c index 35af61530de1..46794d64c0bf 100644 --- a/arch/mips/kernel/idle.c +++ b/arch/mips/kernel/idle.c @@ -171,7 +171,6 @@ void __init check_wait(void) case CPU_BMIPS3300: case CPU_BMIPS4350: case CPU_BMIPS4380: - case CPU_BMIPS5000: case CPU_CAVIUM_OCTEON: case CPU_CAVIUM_OCTEON_PLUS: case CPU_CAVIUM_OCTEON2: @@ -182,7 +181,9 @@ void __init check_wait(void) case CPU_XLP: cpu_wait = r4k_wait; break; - + case CPU_BMIPS5000: + cpu_wait = r4k_wait_irqoff; + break; case CPU_RM7000: cpu_wait = rm7k_wait_irqoff; break; diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c index 4e106d52f304..886cb1976e90 100644 --- a/arch/mips/kernel/traps.c +++ b/arch/mips/kernel/traps.c @@ -1857,12 +1857,14 @@ void __noreturn nmi_exception_handler(struct pt_regs *regs) { char str[100]; + nmi_enter(); raw_notifier_call_chain(&nmi_chain, 0, regs); bust_spinlocks(1); snprintf(str, 100, "CPU%d NMI taken, CP0_EPC=%lx\n", smp_processor_id(), regs->cp0_epc); regs->cp0_epc = read_c0_errorepc(); die(str, regs); + nmi_exit(); } #define VECTORSPACING 0x100 /* for EI/VI mode */ diff --git a/arch/mips/kernel/vmlinux.lds.S b/arch/mips/kernel/vmlinux.lds.S index f4c23d9023be..0a93e83cd014 100644 --- a/arch/mips/kernel/vmlinux.lds.S +++ b/arch/mips/kernel/vmlinux.lds.S @@ -17,7 +17,9 @@ OUTPUT_ARCH(mips) ENTRY(kernel_entry) PHDRS { text PT_LOAD FLAGS(7); /* RWX */ +#ifndef CONFIG_CAVIUM_OCTEON_SOC note PT_NOTE FLAGS(4); /* R__ */ +#endif /* CAVIUM_OCTEON_SOC */ } #ifdef CONFIG_32BIT @@ -71,7 +73,12 @@ SECTIONS __stop___dbe_table = .; } - NOTES :text :note +#ifdef CONFIG_CAVIUM_OCTEON_SOC +#define NOTES_HEADER +#else /* CONFIG_CAVIUM_OCTEON_SOC */ +#define NOTES_HEADER :note +#endif /* CONFIG_CAVIUM_OCTEON_SOC */ + NOTES :text NOTES_HEADER .dummy : { *(.dummy) } :text _sdata = .; /* Start of data section */ @@ -186,6 +193,7 @@ SECTIONS DISCARDS /DISCARD/ : { /* ABI crap starts here */ + *(.MIPS.abiflags) *(.MIPS.options) *(.options) *(.pdr) |