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Updates for powerpc fadum rtal_call

Mamatha Inamdar requested to merge mainamdar/centos-stream-9:RHEL-8392 into main

Description: Updates for fadum rtal_call

JIRA: https://issues.redhat.com/browse/RHEL-8392

Build Info: https://brewweb.engineering.redhat.com/brew/taskinfo?taskID=56053958

Tested: Verified Brew build test kernel RPMs and confirmed issue is resovled

Signed-off-by: Mamatha Inamdar minamdar@redhat.com

commit b949ee6801f4a47ae0e02845242c99af351c4d26 Author: Hari Bathini hbathini@linux.ibm.com Date: Fri Jun 9 12:44:04 2023 +0530

powerpc/fadump: invoke ibm,os-term with rtas_call_unlocked()

Invoke ibm,os-term call with rtas_call_unlocked(), without using the
RTAS spinlock, to avoid deadlock in the unlikely event of a machine
crash while making an RTAS call.

Signed-off-by: Hari Bathini <hbathini@linux.ibm.com>
Reviewed-by: Mahesh Salgaonkar <mahesh@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20230609071404.425529-1-hbathini@linux.ibm.com

Signed-off-by: Mamatha Inamdar minamdar@redhat.com

Edited by Mamatha Inamdar

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