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ccd477028a
HV interrupts that use HSRR registers do not enter with MSR[RI] clear, but their entry code is not recoverable vs NMI, due to shared use of HSPRG1 as a scratch register to save r13. This means that a system reset or machine check that hits in HSRR interrupt entry can cause r13 to be silently corrupted. Fix this by marking NMIs non-recoverable if they land in HV interrupt ranges. Signed-off-by: Nicholas Piggin <npiggin@gmail.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> |
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asm | ||
uapi/asm |