diff options
Diffstat (limited to 'arch/m32r')
| -rw-r--r-- | arch/m32r/Kconfig | 2 | ||||
| -rw-r--r-- | arch/m32r/include/asm/Kbuild | 1 | ||||
| -rw-r--r-- | arch/m32r/include/asm/pgalloc.h | 7 | ||||
| -rw-r--r-- | arch/m32r/include/uapi/asm/socket.h | 2 | ||||
| -rw-r--r-- | arch/m32r/mm/fault.c | 10 |
5 files changed, 15 insertions, 7 deletions
diff --git a/arch/m32r/Kconfig b/arch/m32r/Kconfig index 29a7ef4e448b..09ef94a8a7c3 100644 --- a/arch/m32r/Kconfig +++ b/arch/m32r/Kconfig @@ -9,7 +9,6 @@ config M32R select HAVE_KERNEL_LZMA select ARCH_WANT_IPC_PARSE_VERSION select HAVE_DEBUG_BUGVERBOSE - select HAVE_GENERIC_HARDIRQS select VIRT_TO_BUS select GENERIC_IRQ_PROBE select GENERIC_IRQ_SHOW @@ -276,7 +275,6 @@ source "kernel/Kconfig.preempt" config SMP bool "Symmetric multi-processing support" - select USE_GENERIC_SMP_HELPERS ---help--- This enables support for systems with more than one CPU. If you have a system with only one CPU, like most personal computers, say N. If diff --git a/arch/m32r/include/asm/Kbuild b/arch/m32r/include/asm/Kbuild index bebdc36ebb0a..2b58c5f0bc38 100644 --- a/arch/m32r/include/asm/Kbuild +++ b/arch/m32r/include/asm/Kbuild @@ -3,3 +3,4 @@ generic-y += clkdev.h generic-y += exec.h generic-y += module.h generic-y += trace_clock.h +generic-y += preempt.h diff --git a/arch/m32r/include/asm/pgalloc.h b/arch/m32r/include/asm/pgalloc.h index 0fc736198979..2d55a064ccac 100644 --- a/arch/m32r/include/asm/pgalloc.h +++ b/arch/m32r/include/asm/pgalloc.h @@ -43,7 +43,12 @@ static __inline__ pgtable_t pte_alloc_one(struct mm_struct *mm, { struct page *pte = alloc_page(GFP_KERNEL|__GFP_ZERO); - pgtable_page_ctor(pte); + if (!pte) + return NULL; + if (!pgtable_page_ctor(pte)) { + __free_page(pte); + return NULL; + } return pte; } diff --git a/arch/m32r/include/uapi/asm/socket.h b/arch/m32r/include/uapi/asm/socket.h index 24be7c8da86a..52966650114f 100644 --- a/arch/m32r/include/uapi/asm/socket.h +++ b/arch/m32r/include/uapi/asm/socket.h @@ -76,4 +76,6 @@ #define SO_BUSY_POLL 46 +#define SO_MAX_PACING_RATE 47 + #endif /* _ASM_M32R_SOCKET_H */ diff --git a/arch/m32r/mm/fault.c b/arch/m32r/mm/fault.c index 3cdfa9c1d091..e9c6a8014bd6 100644 --- a/arch/m32r/mm/fault.c +++ b/arch/m32r/mm/fault.c @@ -78,7 +78,7 @@ asmlinkage void do_page_fault(struct pt_regs *regs, unsigned long error_code, struct mm_struct *mm; struct vm_area_struct * vma; unsigned long page, addr; - int write; + unsigned long flags = 0; int fault; siginfo_t info; @@ -117,6 +117,9 @@ asmlinkage void do_page_fault(struct pt_regs *regs, unsigned long error_code, if (in_atomic() || !mm) goto bad_area_nosemaphore; + if (error_code & ACE_USERMODE) + flags |= FAULT_FLAG_USER; + /* When running in the kernel we expect faults to occur only to * addresses in user space. All other faults represent errors in the * kernel and should generate an OOPS. Unfortunately, in the case of an @@ -166,14 +169,13 @@ asmlinkage void do_page_fault(struct pt_regs *regs, unsigned long error_code, */ good_area: info.si_code = SEGV_ACCERR; - write = 0; switch (error_code & (ACE_WRITE|ACE_PROTECTION)) { default: /* 3: write, present */ /* fall through */ case ACE_WRITE: /* write, not present */ if (!(vma->vm_flags & VM_WRITE)) goto bad_area; - write++; + flags |= FAULT_FLAG_WRITE; break; case ACE_PROTECTION: /* read, present */ case 0: /* read, not present */ @@ -194,7 +196,7 @@ good_area: */ addr = (address & PAGE_MASK); set_thread_fault_code(error_code); - fault = handle_mm_fault(mm, vma, addr, write ? FAULT_FLAG_WRITE : 0); + fault = handle_mm_fault(mm, vma, addr, flags); if (unlikely(fault & VM_FAULT_ERROR)) { if (fault & VM_FAULT_OOM) goto out_of_memory; |