diff options
Diffstat (limited to 'arch/m68k/kernel')
| -rw-r--r-- | arch/m68k/kernel/dma.c | 4 | ||||
| -rw-r--r-- | arch/m68k/kernel/sys_m68k.c | 10 | ||||
| -rw-r--r-- | arch/m68k/kernel/vmlinux-nommu.lds | 4 | ||||
| -rw-r--r-- | arch/m68k/kernel/vmlinux-std.lds | 4 | ||||
| -rw-r--r-- | arch/m68k/kernel/vmlinux-sun3.lds | 4 |
5 files changed, 17 insertions, 9 deletions
diff --git a/arch/m68k/kernel/dma.c b/arch/m68k/kernel/dma.c index 3fab684cc0db..871a0e11da34 100644 --- a/arch/m68k/kernel/dma.c +++ b/arch/m68k/kernel/dma.c @@ -61,8 +61,8 @@ void arch_dma_free(struct device *dev, size_t size, void *vaddr, #endif /* CONFIG_MMU && !CONFIG_COLDFIRE */ -void arch_sync_dma_for_device(struct device *dev, phys_addr_t handle, - size_t size, enum dma_data_direction dir) +void arch_sync_dma_for_device(phys_addr_t handle, size_t size, + enum dma_data_direction dir) { switch (dir) { case DMA_BIDIRECTIONAL: diff --git a/arch/m68k/kernel/sys_m68k.c b/arch/m68k/kernel/sys_m68k.c index 6363ec83a290..18a4de7d5934 100644 --- a/arch/m68k/kernel/sys_m68k.c +++ b/arch/m68k/kernel/sys_m68k.c @@ -465,6 +465,8 @@ sys_atomic_cmpxchg_32(unsigned long newval, int oldval, int d3, int d4, int d5, for (;;) { struct mm_struct *mm = current->mm; pgd_t *pgd; + p4d_t *p4d; + pud_t *pud; pmd_t *pmd; pte_t *pte; spinlock_t *ptl; @@ -474,7 +476,13 @@ sys_atomic_cmpxchg_32(unsigned long newval, int oldval, int d3, int d4, int d5, pgd = pgd_offset(mm, (unsigned long)mem); if (!pgd_present(*pgd)) goto bad_access; - pmd = pmd_offset(pgd, (unsigned long)mem); + p4d = p4d_offset(pgd, (unsigned long)mem); + if (!p4d_present(*p4d)) + goto bad_access; + pud = pud_offset(p4d, (unsigned long)mem); + if (!pud_present(*pud)) + goto bad_access; + pmd = pmd_offset(pud, (unsigned long)mem); if (!pmd_present(*pmd)) goto bad_access; pte = pte_offset_map_lock(mm, pmd, (unsigned long)mem, &ptl); diff --git a/arch/m68k/kernel/vmlinux-nommu.lds b/arch/m68k/kernel/vmlinux-nommu.lds index cf6edda38971..7b975420c3d9 100644 --- a/arch/m68k/kernel/vmlinux-nommu.lds +++ b/arch/m68k/kernel/vmlinux-nommu.lds @@ -60,8 +60,8 @@ SECTIONS { #endif _sdata = .; - RO_DATA_SECTION(PAGE_SIZE) - RW_DATA_SECTION(16, PAGE_SIZE, THREAD_SIZE) + RO_DATA(PAGE_SIZE) + RW_DATA(16, PAGE_SIZE, THREAD_SIZE) _edata = .; EXCEPTION_TABLE(16) diff --git a/arch/m68k/kernel/vmlinux-std.lds b/arch/m68k/kernel/vmlinux-std.lds index 625a5785804f..4d33da4e7106 100644 --- a/arch/m68k/kernel/vmlinux-std.lds +++ b/arch/m68k/kernel/vmlinux-std.lds @@ -31,9 +31,9 @@ SECTIONS _sdata = .; /* Start of data section */ - RODATA + RO_DATA(4096) - RW_DATA_SECTION(16, PAGE_SIZE, THREAD_SIZE) + RW_DATA(16, PAGE_SIZE, THREAD_SIZE) BSS_SECTION(0, 0, 0) diff --git a/arch/m68k/kernel/vmlinux-sun3.lds b/arch/m68k/kernel/vmlinux-sun3.lds index 9868270b0984..87d9f4d08f65 100644 --- a/arch/m68k/kernel/vmlinux-sun3.lds +++ b/arch/m68k/kernel/vmlinux-sun3.lds @@ -24,13 +24,13 @@ SECTIONS *(.fixup) *(.gnu.warning) } :text = 0x4e75 - RODATA + RO_DATA(4096) _etext = .; /* End of text section */ EXCEPTION_TABLE(16) :data _sdata = .; /* Start of rw data section */ - RW_DATA_SECTION(16, PAGE_SIZE, THREAD_SIZE) :data + RW_DATA(16, PAGE_SIZE, THREAD_SIZE) :data /* End of data goes *here* so that freeing init code works properly. */ _edata = .; NOTES |