Merge tag 'csky-for-linus-5.0-rc6' of git://github.com/c-sky/csky-linux

Pull arch/csky fixes from Guo Ren:
 "Here are some fixup patches for 5.0-rc6"

* tag 'csky-for-linus-5.0-rc6' of git://github.com/c-sky/csky-linux:
  csky: Fixup dead loop in show_stack
  csky: Fixup io-range page attribute for mmap("/dev/mem")
  csky: coding convention: Use task_stack_page
  csky: Fixup wrong pt_regs size
  csky: Fixup _PAGE_GLOBAL bit for 610 tlb entry

1 files changed, 7 insertions, 2 deletions

diff --git a/arch/csky/include/asm/pgtable.h b/arch/csky/include/asm/pgtable.h
index edfcbb25fd9f..dcea277c09ae 100644
--- a/arch/csky/include/asm/pgtable.h
+++ b/arch/csky/include/asm/pgtable.h
@@ -45,8 +45,8 @@
         ((pte_t *)page_address(pmd_page(*(dir))) + __pte_offset_t(address))
 #define pmd_page(pmd)   (pfn_to_page(pmd_phys(pmd) >> PAGE_SHIFT))
 #define pte_clear(mm, addr, ptep)       set_pte((ptep), \
-                        (((unsigned int)addr&0x80000000)?__pte(1):__pte(0)))
-#define pte_none(pte)   (!(pte_val(pte)&0xfffffffe))
+        (((unsigned int) addr & PAGE_OFFSET) ? __pte(_PAGE_GLOBAL) : __pte(0)))
+#define pte_none(pte)           (!(pte_val(pte) & ~_PAGE_GLOBAL))
 #define pte_present(pte)        (pte_val(pte) & _PAGE_PRESENT)
 #define pte_pfn(x)      ((unsigned long)((x).pte_low >> PAGE_SHIFT))
 #define pfn_pte(pfn, prot) __pte(((unsigned long long)(pfn) << PAGE_SHIFT) \
@@ -241,6 +241,11 @@ static inline pte_t pte_mkyoung(pte_t pte)
 
 #define pgd_index(address)      ((address) >> PGDIR_SHIFT)
 
+#define __HAVE_PHYS_MEM_ACCESS_PROT
+struct file;
+extern pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn,
+                                     unsigned long size, pgprot_t vma_prot);
+
 /*
  * Macro to make mark a page protection value as "uncacheable".  Note
  * that "protection" is really a misnomer here as the protection value