On Wed, Oct 26, 2022 at 03:15:10PM +0300, Adrian Hunter wrote: > commit c243cecb58e3905baeace8827201c14df8481e2a upstream > > The requirement for 64-bit address filters is that they are canonical > addresses. In other respects any address range is allowed which would > include user space addresses. > > That can be useful for tracing virtual machine guests because address > filtering can be used to advantage in place of current privilege level > (CPL) filtering. > > Now for stable because a side effect is that this also fixes > address filter validation for addresses in kernel modules. > > Signed-off-by: Adrian Hunter <adrian.hunter@xxxxxxxxx> > Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx> > Link: https://lore.kernel.org/r/20220131072453.2839535-2-adrian.hunter@xxxxxxxxx > Signed-off-by: Adrian Hunter <adrian.hunter@xxxxxxxxx> > --- > arch/x86/events/intel/pt.c | 63 ++++++++++++++++++++++++++++++-------- > 1 file changed, 50 insertions(+), 13 deletions(-) Now queued up, thanks. greg k-h
