* Dominik Brodowski <linux@xxxxxxxxxxxxxxxxxxxx> wrote: > .endif > pushq \rdx /* pt_regs->dx */ > + xorl %edx, %edx /* nosepc dx */ > pushq %rcx /* pt_regs->cx */ > + xorl %ecx, %ecx /* nosepc cx */ > pushq \rax /* pt_regs->ax */ > pushq %r8 /* pt_regs->r8 */ > xorl %r8d, %r8d /* nospec r8 */ > diff --git a/arch/x86/entry/entry_64_compat.S b/arch/x86/entry/entry_64_compat.S > index 08425c42f8b7..23e0945959e5 100644 > --- a/arch/x86/entry/entry_64_compat.S > +++ b/arch/x86/entry/entry_64_compat.S > @@ -220,8 +220,11 @@ GLOBAL(entry_SYSCALL_compat_after_hwframe) > pushq %rax /* pt_regs->orig_ax */ > pushq %rdi /* pt_regs->di */ > pushq %rsi /* pt_regs->si */ > + xorl %esi, %esi /* nosepc si */ > pushq %rdx /* pt_regs->dx */ > + xorl %edx, %edx /* nosepc dx */ > pushq %rbp /* pt_regs->cx (stashed in bp) */ > + xorl %ecx, %ecx /* nosepc cx */ > pushq $-ENOSYS /* pt_regs->ax */ > pushq $0 /* pt_regs->r8 = 0 */ > xorl %r8d, %r8d /* nospec r8 */ > @@ -365,8 +368,11 @@ ENTRY(entry_INT80_compat) > > pushq (%rdi) /* pt_regs->di */ > pushq %rsi /* pt_regs->si */ > + xorl %esi, %esi /* nosepc si */ > pushq %rdx /* pt_regs->dx */ > + xorl %edx, %edx /* nosepc dx */ > pushq %rcx /* pt_regs->cx */ > + xorl %ecx, %ecx /* nosepc cx */ > pushq $-ENOSYS /* pt_regs->ax */ > pushq $0 /* pt_regs->r8 = 0 */ > xorl %r8d, %r8d /* nospec r8 */ s/nosepc /nospec Thanks, Ingo
