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(parent: e912fcb) | patch
parisc: Add runtime check to prevent PA2.0 kernels on PA1.x machines
authorHelge Deller <deller@gmx.de>
Sun, 21 Aug 2022 12:49:58 +0000 (14:49 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 15 Sep 2022 10:04:54 +0000 (12:04 +0200)
commit4838d63dc57bf278026f8cdd53c58943bdcdce89
tree15c8ab28b472892f518e5fe8cc60427d4da42d5btree | snapshot
parente912fcbc9f5b73ea0b735d17d5ca820232c64674commit | diff
parisc: Add runtime check to prevent PA2.0 kernels on PA1.x machines

[ Upstream commit e090d8f975e2b3777e225cc392ab67f57eb87f0c ]

If a 32-bit kernel was compiled for PA2.0 CPUs, it won't be able to run
on machines with PA1.x CPUs. Add a check and bail out early if a PA1.x
machine is detected.

Signed-off-by: Helge Deller <deller@gmx.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
arch/parisc/kernel/head.S diff | blob | history
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