Messages in this thread | | | Date | Thu, 2 May 2019 18:29:35 +0200 | From | Peter Zijlstra <> | Subject | Re: [RFC][PATCH 1/2] x86: Allow breakpoints to emulate call functions |
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On Thu, May 02, 2019 at 06:21:33PM +0200, Peter Zijlstra wrote: > Much thanks to Joerg Roedel for talking entry_32.S with me. > > TL;DR, on x86_32 kernel->kernel IRET frames are only 3 entries and do > not include ESP/SS, so not only wasn't regs->sp setup, if you changed it > it wouldn't be effective and corrupt random stack state.
Also, i386 is bloody insane...
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