commit ff7124b91f52412696e66683b37a5724c303cc11 Author: Greg Kroah-Hartman Date: Thu Nov 18 14:01:34 2021 +0100 Linux 5.14.20 Signed-off-by: Greg Kroah-Hartman commit 1b86960dc451412e7029b267e9e87536fdd554cb Author: Greg Kroah-Hartman Date: Thu Nov 18 13:16:12 2021 +0100 Revert "x86: Fix get_wchan() to support the ORC unwinder" This reverts commit f270511247a5b6257b84db17883e0b1189bf5e16 which is commit bc9bbb81730ea667c31c5b284f95ee312bab466f upstream. It has been reported to be causing problems, and is being reworked upstream and has been dropped from the current 5.15.y stable queue until it gets resolved. Reported-by: Chris Rankin Reported-by: Thorsten Leemhuis Link: https://lore.kernel.org/r/ed000478-2a60-0066-c337-a04bffc112b1@leemhuis.info Cc: Qi Zheng Cc: Stephen Rothwell Cc: Peter Zijlstra (Intel) Cc: Kees Cook Cc: Sasha Levin Signed-off-by: Greg Kroah-Hartman commit 961913f45ff64ee68b689ae8070e1ab42108d02b Author: Greg Kroah-Hartman Date: Thu Nov 18 13:15:48 2021 +0100 Revert "sched: Add wrapper for get_wchan() to keep task blocked" This reverts commit e9ede14c116f1a6246eee89d320d60a90a86b5d5 which is commit 42a20f86dc19f9282d974df0ba4d226c865ab9dd upstream. It has been reported to be causing problems, and is being reworked upstream and has been dropped from the current 5.15.y stable queue until it gets resolved. Reported-by: Chris Rankin Reported-by: Thorsten Leemhuis Link: https://lore.kernel.org/r/ed000478-2a60-0066-c337-a04bffc112b1@leemhuis.info Cc: Stephen Rothwell Cc: Peter Zijlstra (Intel) Cc: Kees Cook Cc: Geert Uytterhoeven Cc: Russell King (Oracle) Cc: Mark Rutland Cc: Sasha Levin Signed-off-by: Greg Kroah-Hartman commit b51c1a592faaf114b33f56f25aec757d21a826e0 Author: Greg Kroah-Hartman Date: Thu Nov 18 13:15:35 2021 +0100 Revert "x86: Fix __get_wchan() for !STACKTRACE" This reverts commit e1ff40b6194f09c1dd0f45b94fdf30c0374b5823 which is commit 5d1ceb3969b6b2e47e2df6d17790a7c5a20fcbb4 upstream. It has been reported to be causing problems, and is being reworked upstream and has been dropped from the current 5.15.y stable queue until it gets resolved. Reported-by: Chris Rankin Reported-by: Thorsten Leemhuis Link: https://lore.kernel.org/r/ed000478-2a60-0066-c337-a04bffc112b1@leemhuis.info Cc: Stephen Rothwell Cc: Peter Zijlstra (Intel) Cc: Kees Cook Cc: Sasha Levin Signed-off-by: Greg Kroah-Hartman