* Kees Cook <[email protected]> wrote: > From: Eugene Surovegin <[email protected]> > > Include kASLR offset in VMCOREINFO ELF notes to assist in debugging. > > Signed-off-by: Eugene Surovegin <[email protected]> > Signed-off-by: Kees Cook <[email protected]> > --- > v2: > - make sure "From:" got sent correctly > --- > arch/x86/kernel/machine_kexec_64.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/arch/x86/kernel/machine_kexec_64.c > b/arch/x86/kernel/machine_kexec_64.c > index 4eabc160696f..679cef0791cd 100644 > --- a/arch/x86/kernel/machine_kexec_64.c > +++ b/arch/x86/kernel/machine_kexec_64.c > @@ -279,5 +279,7 @@ void arch_crash_save_vmcoreinfo(void) > VMCOREINFO_SYMBOL(node_data); > VMCOREINFO_LENGTH(node_data, MAX_NUMNODES); > #endif > + vmcoreinfo_append_str("KERNELOFFSET=%lx\n", > + (unsigned long)&_text - __START_KERNEL); > }
I've Cc:-ed Adrian Hunter, who has sent the following kaslr fixes for perf yesterday: http://lkml.org/lkml/2014/1/24/220 Adrian, is this patch the right solution from the perf tooling perspective? Thanks, Ingo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
