Messages in this thread |  | | Date | Sat, 21 Jan 2023 20:34:09 -0800 | Subject | Re: the x86 sysret_rip test fails on the Intel FRED architecture | From | Dave Hansen <> |
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On 1/21/23 19:38, Li, Xin3 wrote: >> However, it doesn't seem to make sense to do so to me. The current behavior is >> much more of an artifact than desired behavior. > We kind of have an agreement that %r11 = %flags after returning from the kernel. > > And the question is, is it what we want?
Can the selftest just set r11=rflags before the syscall? The old syscall entry path will set r11=rflags. The FRED path won't touch it. Either case will pass an r11==rflags check.
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