git: fbf75b113edc - main - arm64: log vm_fault error for data_abort

[Bjoern A. Zeeb]

The branch main has been updated by bz:

URL: https://cgit.FreeBSD.org/src/commit/?id=fbf75b113edca08c78af8db4730f9fa84e54ad24

commit fbf75b113edca08c78af8db4730f9fa84e54ad24
Author:     Bjoern A. Zeeb <bz at FreeBSD.org>
AuthorDate: 2021-05-20 16:43:30 +0000
Commit:     Bjoern A. Zeeb <bz at FreeBSD.org>
CommitDate: 2021-05-24 21:58:11 +0000

    arm64: log vm_fault error for data_abort
    
    Summary:
    Log the vm_fault() error in the data_abort panic so it is easier to
    find the reason vm_fault() failed (e.g., invalid address).
    
    Reviewed by:    andrew
    MFC after:      2 weeks
    Differential Revision: https://reviews.freebsd.org/D30362
---
 sys/arm64/arm64/trap.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sys/arm64/arm64/trap.c b/sys/arm64/arm64/trap.c
index d793e34a6894..8688f8679267 100644
--- a/sys/arm64/arm64/trap.c
+++ b/sys/arm64/arm64/trap.c
@@ -334,7 +334,8 @@ data_abort(struct thread *td, struct trapframe *frame, uint64_t esr,
 					return;
 			}
 #endif
-			panic("vm_fault failed: %lx", frame->tf_elr);
+			panic("vm_fault failed: %lx error %d",
+			    frame->tf_elr, error);
 		}
 	}