-Original Message-
From: Linuxppc-dev [mailto:linuxppc-dev-
bounces+mihai.caraman=freescale@lists.ozlabs.org] On Behalf Of Scott
Wood
Sent: Friday, May 23, 2014 12:45 AM
To: linuxppc-dev@lists.ozlabs.org
Cc: Wood Scott-B07421
Subject: [PATCH 2/2] powerpc/e6500: hw tablewalk
Cc: Wood Scott-B07421
Subject: [PATCH 2/2] powerpc/e6500: hw tablewalk: fix recursive tlb lock
on cpu 0
Commit 82d86de25b9c99db546e17c6f7ebf9a691da557e TLB lock recursive
introduced a bug whereby cpu 0 uses the same value for lock held as
is used to indicate that the lock is free
Commit 82d86de25b9c99db546e17c6f7ebf9a691da557e TLB lock recursive
introduced a bug whereby cpu 0 uses the same value for lock held as
is used to indicate that the lock is free. This means that cpu 1 can
acquire the lock whenever it wants, regardless of whether cpu 0 has it
locked, which in turn
