]> git.itanic.dy.fi Git - linux-stable/commit
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 09:32:03 +0000 (11:32 +0200)
commit96d206d0a14ea89bdd896f5d8ed2f29c4f0fee6e
tree5cbca286a9dfb9bd3fe01d0cfc0ea832ee31aebc
parent44739b5aae3a0a8be4c45635617c70d74e3a5687
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