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(parent: dcf54e6) | 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)
commita3714415c4493b2ac38e79ba9c3f1b420e5ee599
tree15c8ab28b472892f518e5fe8cc60427d4da42d5btree | snapshot
parentdcf54e6cae9e556855ba754e6b31db05d34b9c70commit | diff
parisc: Add runtime check to prevent PA2.0 kernels on PA1.x machines

[ Upstream commit 591d2108f3abc4db9f9073cae37cf3591fd250d6 ]

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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