--- a/xen/arch/x86/x86_64/entry.S +++ b/xen/arch/x86/x86_64/entry.S @@ -427,22 +427,35 @@ UNLIKELY_END(bounce_failsafe) jz domain_crash_synchronous movq %rax,UREGS_rip+8(%rsp) ret - _ASM_EXTABLE(.Lft2, domain_crash_synchronous) - _ASM_EXTABLE(.Lft3, domain_crash_synchronous) - _ASM_EXTABLE(.Lft4, domain_crash_synchronous) - _ASM_EXTABLE(.Lft5, domain_crash_synchronous) - _ASM_EXTABLE(.Lft6, domain_crash_synchronous) - _ASM_EXTABLE(.Lft7, domain_crash_synchronous) - _ASM_EXTABLE(.Lft8, domain_crash_synchronous) - _ASM_EXTABLE(.Lft9, domain_crash_synchronous) - _ASM_EXTABLE(.Lft10, domain_crash_synchronous) - _ASM_EXTABLE(.Lft11, domain_crash_synchronous) - _ASM_EXTABLE(.Lft12, domain_crash_synchronous) - _ASM_EXTABLE(.Lft13, domain_crash_synchronous) + _ASM_EXTABLE(.Lft2, domain_crash_page_fault_32) + _ASM_EXTABLE(.Lft3, domain_crash_page_fault_24) + _ASM_EXTABLE(.Lft4, domain_crash_page_fault_8) + _ASM_EXTABLE(.Lft5, domain_crash_page_fault_16) + _ASM_EXTABLE(.Lft6, domain_crash_page_fault) + _ASM_EXTABLE(.Lft7, domain_crash_page_fault) + _ASM_EXTABLE(.Lft8, domain_crash_page_fault_24) + _ASM_EXTABLE(.Lft9, domain_crash_page_fault_16) + _ASM_EXTABLE(.Lft10, domain_crash_page_fault_8) + _ASM_EXTABLE(.Lft11, domain_crash_page_fault) + _ASM_EXTABLE(.Lft12, domain_crash_page_fault_8) + _ASM_EXTABLE(.Lft13, domain_crash_page_fault) +.section .rodata, "a", @progbits domain_crash_synchronous_string: .asciz "domain_crash_sync called from entry.S\n" +.previous +domain_crash_page_fault_32: + addq $8,%rsi +domain_crash_page_fault_24: + addq $8,%rsi +domain_crash_page_fault_16: + addq $8,%rsi +domain_crash_page_fault_8: + addq $8,%rsi +domain_crash_page_fault: + movq %rsi,%rdi + call show_page_walk ENTRY(domain_crash_synchronous) # Get out of the guest-save area of the stack. GET_CPUINFO_FIELD(CPUINFO_guest_cpu_user_regs,%rax)