On Wed, Feb 25, 2015 at 1:04 AM, Andy Lutomirski <l...@amacapital.net> wrote: >> --- a/arch/x86/kernel/entry_64.S >> +++ b/arch/x86/kernel/entry_64.S >> @@ -756,9 +756,8 @@ retint_swapgs: /* return to user-space */ >> */ >> irq_return_via_sysret: >> CFI_REMEMBER_STATE >> - RESTORE_C_REGS >> - REMOVE_PT_GPREGS_FROM_STACK 8 >> - movq (RSP-RIP)(%rsp),%rsp >> + RESTORE_C_REGS_EXCEPT_R11 >> + movq RSP(%rsp),%rsp > > I think this needs a comment.
I assume you mean "a comment why r11 doesn't need restoring". I sent patch v2. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
