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(parent: deb2c9c) | 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 09:30:01 +0000 (11:30 +0200)
commit27092358e9c6dd0a5c01092496e5e10102841fef
tree0ea4a5e2df5bbc18c003e211b5f5af24152c0415tree | snapshot
parentdeb2c9c0770b0e7e2387341e34ed4e47d6b92eaacommit | 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
Domain: System / Kernel;