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target/s390x/tcg/mem_helper: Test the right bits in psw_key_valid()
authorThomas Huth <thuth@redhat.com>
Mon, 5 Dec 2022 14:20:43 +0000 (15:20 +0100)
committerThomas Huth <thuth@redhat.com>
Thu, 15 Dec 2022 14:02:34 +0000 (15:02 +0100)
commit5e275ca6fb32bcb4b56b29e6acfd3cf306c4a180
tree5b3e66a0646116fc1a45d4901cfcd9a721be4cd8tree | snapshot
parent03451953c79e6b31f7860ee0c35b28e181d573c1commit | diff
target/s390x/tcg/mem_helper: Test the right bits in psw_key_valid()

The PSW key mask is a 16 bit field, and the psw_key variable is
in the range from 0 to 15, so it does not make sense to use
"0x80 >> psw_key" for testing the bits here. We should use 0x8000
instead.

Message-Id: <20221205142043.95185-1-thuth@redhat.com>
Reviewed-by: Nina Schoetterl-Glausch <nsg@linux.ibm.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
target/s390x/tcg/mem_helper.c diff | blob | history
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