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When the kernel is IPLed without the CLEAR option and switches to 64-bit, the high-order half of the registers might contain random values. This can cause addressing exceptions and the kernel enters an interrupt loop. Initialize the high-order half of the general purpose registers with zeros after switching to 64-bit mode. Cc: <stable@kernel.org> Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> |
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appldata | ||
boot | ||
crypto | ||
hypfs | ||
include/asm | ||
kernel | ||
kvm | ||
lib | ||
math-emu | ||
mm | ||
oprofile | ||
defconfig | ||
Kconfig | ||
Kconfig.debug | ||
Makefile |