diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-05-23 09:01:41 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-05-23 09:01:41 -0700 |
| commit | 3a8580f82024e30b31c662aa49346adf7a3bcdb5 (patch) | |
| tree | 7769a01f152b4081f4e4225e499082fd5c67b184 /arch/um/include/asm | |
| parent | 1d767cae4dbd4116fc3b2cc3251a20760f98339f (diff) | |
| parent | 2ccf62b36097aa88e0ea152d6ef0c0ca2d3884e6 (diff) | |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml
Pull UML updates from Richard Weinberger:
"Most changes are bug fixes and cleanups"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml:
um: missing checks of __put_user()/__get_user() return values
um: stub_rt_sigsuspend isn't needed these days anymore
um/x86: merge (and trim) 32- and 64-bit variants of ptrace.h
irq: Remove irq_chip->release()
um: Remove CONFIG_IRQ_RELEASE_METHOD
um: Remove usage of irq_chip->release()
um: Implement um_free_irq()
um: Fix __swp_type()
um: Implement a custom pte_same() function
um: Add BUG() to do_ops()'s error path
um: Remove unused variables
um: bury unused _TIF_RESTORE_SIGMASK
um: wrong sigmask saved in case of multiple sigframes
um: add TIF_NOTIFY_RESUME
um: ->restart_block.fn needs to be reset on sigreturn
Diffstat (limited to 'arch/um/include/asm')
| -rw-r--r-- | arch/um/include/asm/pgtable.h | 10 | ||||
| -rw-r--r-- | arch/um/include/asm/thread_info.h | 2 |
2 files changed, 9 insertions, 3 deletions
diff --git a/arch/um/include/asm/pgtable.h b/arch/um/include/asm/pgtable.h index 6a3f9845743..5888f1b8347 100644 --- a/arch/um/include/asm/pgtable.h +++ b/arch/um/include/asm/pgtable.h @@ -273,6 +273,12 @@ static inline void set_pte(pte_t *pteptr, pte_t pteval) } #define set_pte_at(mm,addr,ptep,pteval) set_pte(ptep,pteval) +#define __HAVE_ARCH_PTE_SAME +static inline int pte_same(pte_t pte_a, pte_t pte_b) +{ + return !((pte_val(pte_a) ^ pte_val(pte_b)) & ~_PAGE_NEWPAGE); +} + /* * Conversion functions: convert a page and protection to a page entry, * and a page entry and page directory to the page they refer to. @@ -348,11 +354,11 @@ extern pte_t *virt_to_pte(struct mm_struct *mm, unsigned long addr); #define update_mmu_cache(vma,address,ptep) do ; while (0) /* Encode and de-code a swap entry */ -#define __swp_type(x) (((x).val >> 4) & 0x3f) +#define __swp_type(x) (((x).val >> 5) & 0x1f) #define __swp_offset(x) ((x).val >> 11) #define __swp_entry(type, offset) \ - ((swp_entry_t) { ((type) << 4) | ((offset) << 11) }) + ((swp_entry_t) { ((type) << 5) | ((offset) << 11) }) #define __pte_to_swp_entry(pte) \ ((swp_entry_t) { pte_val(pte_mkuptodate(pte)) }) #define __swp_entry_to_pte(x) ((pte_t) { (x).val }) diff --git a/arch/um/include/asm/thread_info.h b/arch/um/include/asm/thread_info.h index 200c4ab1240..c04e5ab68f5 100644 --- a/arch/um/include/asm/thread_info.h +++ b/arch/um/include/asm/thread_info.h @@ -71,6 +71,7 @@ static inline struct thread_info *current_thread_info(void) #define TIF_MEMDIE 5 /* is terminating due to OOM killer */ #define TIF_SYSCALL_AUDIT 6 #define TIF_RESTORE_SIGMASK 7 +#define TIF_NOTIFY_RESUME 8 #define _TIF_SYSCALL_TRACE (1 << TIF_SYSCALL_TRACE) #define _TIF_SIGPENDING (1 << TIF_SIGPENDING) @@ -78,6 +79,5 @@ static inline struct thread_info *current_thread_info(void) #define _TIF_POLLING_NRFLAG (1 << TIF_POLLING_NRFLAG) #define _TIF_MEMDIE (1 << TIF_MEMDIE) #define _TIF_SYSCALL_AUDIT (1 << TIF_SYSCALL_AUDIT) -#define _TIF_RESTORE_SIGMASK (1 << TIF_RESTORE_SIGMASK) #endif |