Hi Liav, On Wed, 2016-08-17 at 09:23 +0300, Liav Rehana wrote: > From: Liav Rehana <[email protected]> > > User mode callee regs are explicitly collected before signal delivery > or breakpoint trap. r25 is special for kernel as it serves as task > pointer, so user mode value is clobbered very early. It is saved in > pt_regs where generally only scratch (caller saved) res are saved. > The code to access the corresponding pt_regs location had a subtle bug > as it was using load/store with scaling of offset, whereas the offset > was already byte wise correct. So fix this by replacing LD.AS with a > standard LD > > Signed-off-by: Liav Rehana <[email protected]>
That nice patch really fixes quite annoying issue when r25 got printed improperly in gdb! So Tested-by: Alexey Brodkin <[email protected]>
