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(parent: d38fb29) | 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 10:39:45 +0000 (12:39 +0200)
commitf6c72233e2f0cc10a40d7f448ee123bcff322509
tree8adfeb1b7ae5425ca0f9ca967ea26263ddb47f6btree | snapshot (tar.gz zip)
parentd38fb2984cea8b5c35d9869953b514966bd98ed5commit | 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 | blame | history