On Mon, Jul 6, 2015 at 10:41 AM, Ingo Molnar <mi...@kernel.org> wrote: > > * Sasha Levin <sasha.le...@oracle.com> wrote: > >> On 07/06/2015 01:20 PM, Andy Lutomirski wrote: >> > On Mon, Jul 6, 2015 at 8:00 AM, Sasha Levin <sasha.le...@oracle.com> wrote: >> >> > >> >> > --- entry.before.o.cmd 2015-07-06 10:48:32.110189938 -0400 >> >> > +++ entry.after.o.cmd 2015-07-06 10:48:23.509645442 -0400 >> >> > @@ -1,5 +1,5 @@ >> >> > >> >> > -entry.before.o: file format elf64-x86-64 >> >> > +entry.after.o: file format elf64-x86-64 >> >> > >> >> > >> >> > Disassembly of section .entry.text: >> >> > @@ -3961,8 +3961,8 @@ >> >> > 3b: 09 02 or %eax,(%rdx) >> >> > ... >> >> > 3d: R_X86_64_64 .entry.text >> >> > - 45: 03 3a add (%rdx),%edi >> >> > - 47: 01 3d 03 d6 00 c8 add %edi,-0x37ff29fd(%rip) # >> >> > ffffffffc800d650 <ignore_sysret+0xffffffffc800b1f0> >> >> > + 45: 03 33 add (%rbx),%esi >> >> > + 47: 01 3d 03 d5 00 c8 add %edi,-0x37ff2afd(%rip) # >> >> > ffffffffc800d550 <ignore_sysret+0xffffffffc800b0f0> >> > What exactly are you doing to generate this diff? This all looks really >> > weird. >> > >> >> > 4d: 44 91 rex.R xchg %eax,%ecx >> >> > 4f: 93 xchg %eax,%ebx >> >> > 50: 2f (bad) >> > For example: what on earth is the asm above? >> >> objdump... > > Oh, so I'm using 'objdump -d' to compare - but you probably used 'objdump > --disassemble-all', to disassemble .data sections as well? >
I can reproduce the difference now. Give me a few minutes to see if I can figure out what's causing it. --Andy > Thanks, > > Ingo -- Andy Lutomirski AMA Capital Management, LLC -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
