Re: linux-next: Tree for Mar 20 (objtool warnings)

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On Fri, Mar 20, 2020 at 10:43:05AM -0700, Randy Dunlap wrote:
> On 3/20/20 2:15 AM, Stephen Rothwell wrote:
> > Hi all,
> > 
> > Changes since 20200319:
> > 
> 
> 
> Today's linux-next gives these objtool warnings:
> 
> arch/x86/entry/vdso/vma.o: warning: objtool: vdso_fault()+0x201: unreachable instruction
> 
> drivers/ide/ide-tape.o: warning: objtool: idetape_chrdev_release()+0x109: unreachable instruction
> 
> drivers/media/i2c/ir-kbd-i2c.o: warning: objtool: ir_probe()+0xdaa: unreachable instruction
> 
> kernel/kcov.o: warning: objtool: __sanitizer_cov_trace_pc()+0x89: call to __ubsan_handle_load_invalid_value() with UACCESS enabled
> 
> 
> all in (4) separate builds (.configs).
> Do you want all 4 randconfig files?

For the "unreachable instruction" warnings, if the configs have
CONFIG_UBSAN_TRAP, that's a known issue.

Otherwise, yeah, configs (and .o files if possible) would be good.

-- 
Josh




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