powerpc/64s: machine check handle ifetch from foreign real address for POWER9

Michael Ellerman patch-notifications at ellerman.id.au
Thu Jun 8 14:07:37 AEST 2017


On Mon, 2017-05-29 at 06:26:44 UTC, Nicholas Piggin wrote:
> The i-side 0111b case was missed by 7b9f71f974 ("powerpc/64s: POWER9
> machine check handler").
> 
> It is possible to trigger this exception by branching to a foreign real
> address (bits [8:12] != 0) with instruction relocation off, and verify
> the exception cause is found after this patch.
> 
> Fixes: 7b9f71f974 ("powerpc/64s: POWER9 machine check handler")
> Reported-by: Mahesh Salgaonkar <mahesh at linux.vnet.ibm.com>
> Signed-off-by: Nicholas Piggin <npiggin at gmail.com>

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/90df4bfb4d9e00a1ab6885900b808b

cheers


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