diff options
Diffstat (limited to 'arch/x86')
-rw-r--r-- | arch/x86/Kconfig | 5 | ||||
-rw-r--r-- | arch/x86/kernel/process_32.c | 50 | ||||
-rw-r--r-- | arch/x86/kernel/process_64.c | 1 | ||||
-rw-r--r-- | arch/x86/kernel/setup_64.c | 1 | ||||
-rw-r--r-- | arch/x86/kernel/time_64.c | 2 | ||||
-rw-r--r-- | arch/x86/mm/pgtable_32.c | 5 |
6 files changed, 9 insertions, 55 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 9d0acedf5f3..65a70b777c1 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -136,6 +136,9 @@ config AUDIT_ARCH bool default X86_64 +config ARCH_SUPPORTS_AOUT + def_bool y + # Use the generic interrupt handling code in kernel/irq/: config GENERIC_HARDIRQS bool @@ -1577,7 +1580,7 @@ config IA32_EMULATION config IA32_AOUT tristate "IA32 a.out support" - depends on IA32_EMULATION + depends on IA32_EMULATION && ARCH_SUPPORTS_AOUT help Support old a.out binaries in the 32bit emulation. diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c index dabdbeff1f7..a7d50a547dc 100644 --- a/arch/x86/kernel/process_32.c +++ b/arch/x86/kernel/process_32.c @@ -23,7 +23,6 @@ #include <linux/slab.h> #include <linux/vmalloc.h> #include <linux/user.h> -#include <linux/a.out.h> #include <linux/interrupt.h> #include <linux/utsname.h> #include <linux/delay.h> @@ -539,55 +538,6 @@ int copy_thread(int nr, unsigned long clone_flags, unsigned long sp, return err; } -/* - * fill in the user structure for a core dump.. - */ -void dump_thread(struct pt_regs * regs, struct user * dump) -{ - u16 gs; - -/* changed the size calculations - should hopefully work better. lbt */ - dump->magic = CMAGIC; - dump->start_code = 0; - dump->start_stack = regs->sp & ~(PAGE_SIZE - 1); - dump->u_tsize = ((unsigned long) current->mm->end_code) >> PAGE_SHIFT; - dump->u_dsize = ((unsigned long) (current->mm->brk + (PAGE_SIZE-1))) >> PAGE_SHIFT; - dump->u_dsize -= dump->u_tsize; - dump->u_ssize = 0; - dump->u_debugreg[0] = current->thread.debugreg0; - dump->u_debugreg[1] = current->thread.debugreg1; - dump->u_debugreg[2] = current->thread.debugreg2; - dump->u_debugreg[3] = current->thread.debugreg3; - dump->u_debugreg[4] = 0; - dump->u_debugreg[5] = 0; - dump->u_debugreg[6] = current->thread.debugreg6; - dump->u_debugreg[7] = current->thread.debugreg7; - - if (dump->start_stack < TASK_SIZE) - dump->u_ssize = ((unsigned long) (TASK_SIZE - dump->start_stack)) >> PAGE_SHIFT; - - dump->regs.bx = regs->bx; - dump->regs.cx = regs->cx; - dump->regs.dx = regs->dx; - dump->regs.si = regs->si; - dump->regs.di = regs->di; - dump->regs.bp = regs->bp; - dump->regs.ax = regs->ax; - dump->regs.ds = (u16)regs->ds; - dump->regs.es = (u16)regs->es; - dump->regs.fs = (u16)regs->fs; - savesegment(gs,gs); - dump->regs.orig_ax = regs->orig_ax; - dump->regs.ip = regs->ip; - dump->regs.cs = (u16)regs->cs; - dump->regs.flags = regs->flags; - dump->regs.sp = regs->sp; - dump->regs.ss = (u16)regs->ss; - - dump->u_fpvalid = dump_fpu (regs, &dump->i387); -} -EXPORT_SYMBOL(dump_thread); - #ifdef CONFIG_SECCOMP static void hard_disable_TSC(void) { diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c index 137a86171c3..b0cc8f0136d 100644 --- a/arch/x86/kernel/process_64.c +++ b/arch/x86/kernel/process_64.c @@ -26,7 +26,6 @@ #include <linux/smp.h> #include <linux/slab.h> #include <linux/user.h> -#include <linux/a.out.h> #include <linux/interrupt.h> #include <linux/utsname.h> #include <linux/delay.h> diff --git a/arch/x86/kernel/setup_64.c b/arch/x86/kernel/setup_64.c index a49f5f734a5..c0d8208af12 100644 --- a/arch/x86/kernel/setup_64.c +++ b/arch/x86/kernel/setup_64.c @@ -15,7 +15,6 @@ #include <linux/ptrace.h> #include <linux/slab.h> #include <linux/user.h> -#include <linux/a.out.h> #include <linux/screen_info.h> #include <linux/ioport.h> #include <linux/delay.h> diff --git a/arch/x86/kernel/time_64.c b/arch/x86/kernel/time_64.c index 0380795121a..c737849e2ef 100644 --- a/arch/x86/kernel/time_64.c +++ b/arch/x86/kernel/time_64.c @@ -77,7 +77,7 @@ unsigned long __init native_calculate_cpu_khz(void) reserve_evntsel_nmi(MSR_K7_EVNTSEL0 + i); } local_irq_save(flags); - /* start meauring cycles, incrementing from 0 */ + /* start measuring cycles, incrementing from 0 */ wrmsrl(MSR_K7_PERFCTR0 + i, 0); wrmsrl(MSR_K7_EVNTSEL0 + i, 1 << 22 | 3 << 16 | 0x76); rdtscl(tsc_start); diff --git a/arch/x86/mm/pgtable_32.c b/arch/x86/mm/pgtable_32.c index 6c1914622a8..73aba712520 100644 --- a/arch/x86/mm/pgtable_32.c +++ b/arch/x86/mm/pgtable_32.c @@ -183,7 +183,7 @@ pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long address) return (pte_t *)__get_free_page(GFP_KERNEL|__GFP_REPEAT|__GFP_ZERO); } -struct page *pte_alloc_one(struct mm_struct *mm, unsigned long address) +pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long address) { struct page *pte; @@ -192,6 +192,8 @@ struct page *pte_alloc_one(struct mm_struct *mm, unsigned long address) #else pte = alloc_pages(GFP_KERNEL|__GFP_REPEAT|__GFP_ZERO, 0); #endif + if (pte) + pgtable_page_ctor(pte); return pte; } @@ -365,6 +367,7 @@ void check_pgt_cache(void) void __pte_free_tlb(struct mmu_gather *tlb, struct page *pte) { + pgtable_page_dtor(pte); paravirt_release_pt(page_to_pfn(pte)); tlb_remove_page(tlb, pte); } |