[PATCH 1/1] drivers/acpi: acpi_ipmi.c replace mutex with spin_lock_irqsave

From: tcam...@redhat.com From: Tony Camuso We were getting occasional "Scheduling while atomic" call traces during boot on some systems. Problem was first seen on a Cisco C210 but we were able to reproduce it on a Cisco c220m3. Setting CONFIG_LOCKDEP and LOCKDEP_SUPPORT to 'y' exposed a lockdep

[PATCH 1/1] drivers/acpi: acpi_ipmi.c replace mutex with spin_lock_irqsave

From: tcam...@redhat.com From: Tony Camuso tcam...@redhat.com We were getting occasional Scheduling while atomic call traces during boot on some systems. Problem was first seen on a Cisco C210 but we were able to reproduce it on a Cisco c220m3. Setting CONFIG_LOCKDEP and LOCKDEP_SUPPORT to 'y'