Re: linux-next: Tree for Aug 27 (objtool)

2019-08-30 Thread Masami Hiramatsu
On Fri, 30 Aug 2019 15:23:51 +0900 Masami Hiramatsu wrote: > > Actually I wonder if X86_DECODER_SELFTEST is even still needed these > > days, since objtool is enabled on default configs. Objtool already uses > > the decoder to disassemble every instruction in the kernel (except for a > > few

Re: linux-next: Tree for Aug 27 (objtool)

2019-08-30 Thread Masami Hiramatsu
Hi Josh, On Thu, 29 Aug 2019 12:59:31 -0500 Josh Poimboeuf wrote: > On Thu, Aug 29, 2019 at 10:53:56AM +0900, Masami Hiramatsu wrote: > > Hi Josh, > > > > On Wed, 28 Aug 2019 11:34:33 -0500 > > Josh Poimboeuf wrote: > > > > > On Wed, Aug 28, 2019 at 11:13:31AM -0500, Josh Poimboeuf wrote:

Re: linux-next: Tree for Aug 27 (objtool)

2019-08-29 Thread Josh Poimboeuf
On Thu, Aug 29, 2019 at 10:53:56AM +0900, Masami Hiramatsu wrote: > Hi Josh, > > On Wed, 28 Aug 2019 11:34:33 -0500 > Josh Poimboeuf wrote: > > > On Wed, Aug 28, 2019 at 11:13:31AM -0500, Josh Poimboeuf wrote: > > > Turns out this patch does break something: > > > > > >

Re: linux-next: Tree for Aug 27 (objtool)

2019-08-28 Thread Masami Hiramatsu
Hi Josh, On Wed, 28 Aug 2019 11:34:33 -0500 Josh Poimboeuf wrote: > On Wed, Aug 28, 2019 at 11:13:31AM -0500, Josh Poimboeuf wrote: > > Turns out this patch does break something: > > > > arch/x86/xen/enlighten_pv.o: warning: objtool: xen_cpuid()+0x25: can't > > find jump dest instruction at

Re: linux-next: Tree for Aug 27 (objtool)

2019-08-28 Thread Josh Poimboeuf
On Wed, Aug 28, 2019 at 11:13:31AM -0500, Josh Poimboeuf wrote: > Turns out this patch does break something: > > arch/x86/xen/enlighten_pv.o: warning: objtool: xen_cpuid()+0x25: can't find > jump dest instruction at .text+0x9c > > I'll need to figure out a better way to whitelist that >

Re: linux-next: Tree for Aug 27 (objtool)

2019-08-28 Thread Josh Poimboeuf
On Wed, Aug 28, 2019 at 09:05:18AM -0700, Randy Dunlap wrote: > On 8/28/19 8:51 AM, Josh Poimboeuf wrote: > > On Tue, Aug 27, 2019 at 12:05:42PM -0700, Randy Dunlap wrote: > >> On 8/27/19 8:59 AM, Josh Poimboeuf wrote: > >>> On Tue, Aug 27, 2019 at 08:40:07AM -0700, Randy Dunlap wrote: > On

Re: linux-next: Tree for Aug 27 (objtool)

2019-08-28 Thread Randy Dunlap
On 8/28/19 8:51 AM, Josh Poimboeuf wrote: > On Tue, Aug 27, 2019 at 12:05:42PM -0700, Randy Dunlap wrote: >> On 8/27/19 8:59 AM, Josh Poimboeuf wrote: >>> On Tue, Aug 27, 2019 at 08:40:07AM -0700, Randy Dunlap wrote: On 8/27/19 2:05 AM, Stephen Rothwell wrote: > Hi all, > >

Re: linux-next: Tree for Aug 27 (objtool)

2019-08-28 Thread Josh Poimboeuf
On Tue, Aug 27, 2019 at 12:05:42PM -0700, Randy Dunlap wrote: > On 8/27/19 8:59 AM, Josh Poimboeuf wrote: > > On Tue, Aug 27, 2019 at 08:40:07AM -0700, Randy Dunlap wrote: > >> On 8/27/19 2:05 AM, Stephen Rothwell wrote: > >>> Hi all, > >>> > >>> Changes since 20190826: > >>> > >> > >> on x86_64:

Re: linux-next: Tree for Aug 27 (objtool)

2019-08-27 Thread Josh Poimboeuf
On Tue, Aug 27, 2019 at 08:40:07AM -0700, Randy Dunlap wrote: > On 8/27/19 2:05 AM, Stephen Rothwell wrote: > > Hi all, > > > > Changes since 20190826: > > > > on x86_64: > > arch/x86/kvm/vmx/vmx.o: warning: objtool: vmx_handle_exit_irqoff()+0x33: > unreachable instruction > > > gcc

Re: linux-next: Tree for Aug 27 (objtool)

2019-08-27 Thread Randy Dunlap
On 8/27/19 2:05 AM, Stephen Rothwell wrote: > Hi all, > > Changes since 20190826: > on x86_64: arch/x86/kvm/vmx/vmx.o: warning: objtool: vmx_handle_exit_irqoff()+0x33: unreachable instruction > gcc --version gcc (SUSE Linux) 7.4.0 want more info? -- ~Randy