Commit 88f93de1 authored by Jens Axboe's avatar Jens Axboe
Browse files

Merge branch 'x86/entry' of... 

Merge branch 'x86/entry' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into tif-task_work.arch

* 'x86/entry' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86: Wire up TIF_NOTIFY_SIGNAL
  x86: Reclaim TIF_IA32 and TIF_X32
  x86/mm: Convert mmu context ia32_compat into a proper flags field
  x86/elf: Use e_machine to check for x32/ia32 in setup_additional_pages()
  elf: Expose ELF header on arch_setup_additional_pages()
  x86/elf: Use e_machine to select start_thread for x32
  elf: Expose ELF header in compat_start_thread()
  x86/elf: Use e_machine to choose DLINFO in compat
  x86/oprofile: Avoid TIF_IA32 when checking 64bit mode
  x86/compat: Simplify compat syscall userspace allocation
  perf/x86: Avoid TIF_IA32 when checking 64bit mode
parents 29701d69 c8d5ed67

arch/x86/entry/vdso/vma.c

+2 −2
Original line number Diff line number Diff line
@@ -413,10 +413,10 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp) 


#ifdef CONFIG_COMPAT

int compat_arch_setup_additional_pages(struct linux_binprm *bprm,

				       int uses_interp)

				       int uses_interp, bool x32)

{

#ifdef CONFIG_X86_X32_ABI

	if (test_thread_flag(TIF_X32)) {

	if (x32) {

		if (!vdso64_enabled)

			return 0;

		return map_vdso_randomized(&vdso_image_x32);

arch/x86/entry/vsyscall/vsyscall_64.c

+1 −1
Original line number Diff line number Diff line
@@ -316,7 +316,7 @@ static struct vm_area_struct gate_vma __ro_after_init = { 
struct vm_area_struct *get_gate_vma(struct mm_struct *mm)

{

#ifdef CONFIG_COMPAT

	if (!mm || mm->context.ia32_compat)

	if (!mm || !(mm->context.flags & MM_CONTEXT_HAS_VSYSCALL))

		return NULL;

#endif

	if (vsyscall_mode == NONE)

arch/x86/events/core.c

+1 −1
Original line number Diff line number Diff line
@@ -2602,7 +2602,7 @@ perf_callchain_user32(struct pt_regs *regs, struct perf_callchain_entry_ctx *ent 
	struct stack_frame_ia32 frame;

	const struct stack_frame_ia32 __user *fp;



	if (!test_thread_flag(TIF_IA32))

	if (user_64bit_mode(regs))

		return 0;



	cs_base = get_segment_base(regs->cs);

arch/x86/events/intel/ds.c

+1 −1
Original line number Diff line number Diff line
@@ -1259,7 +1259,7 @@ static int intel_pmu_pebs_fixup_ip(struct pt_regs *regs) 
		old_to = to;



#ifdef CONFIG_X86_64

		is_64bit = kernel_ip(to) || !test_thread_flag(TIF_IA32);

		is_64bit = kernel_ip(to) || any_64bit_mode(regs);

#endif

		insn_init(&insn, kaddr, size, is_64bit);

		insn_get_length(&insn);

arch/x86/events/intel/lbr.c

+1 −1
Original line number Diff line number Diff line
@@ -1221,7 +1221,7 @@ static int branch_type(unsigned long from, unsigned long to, int abort) 
	 * on 64-bit systems running 32-bit apps

	 */

#ifdef CONFIG_X86_64

	is64 = kernel_ip((unsigned long)addr) || !test_thread_flag(TIF_IA32);

	is64 = kernel_ip((unsigned long)addr) || any_64bit_mode(current_pt_regs());

#endif

	insn_init(&insn, addr, bytes_read, is64);

	insn_get_opcode(&insn);

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