From: Janosch Frank <frankja@linux.ibm.com>
To: kvm@vger.kernel.org
Cc: linux-s390@vger.kernel.org, david@redhat.com, thuth@redhat.com,
pmorel@linux.ibm.com, imbrenda@linux.ibm.com
Subject: [kvm-unit-tests PATCH 0/8] s390x: Cleanup exception register save/restore and implement backtrace
Date: Tue, 9 Feb 2021 08:49:17 -0500 [thread overview]
Message-ID: <20210209134925.22248-1-frankja@linux.ibm.com> (raw)
Having two sets of macros for saving and restoring registers on
exceptions doesn't seem optimal to me. Therefore this patch set
removes the old macros that use the lowcore as storage in favor of the
stack using ones. At the same time we move over to generated offsets
instead of subtracting from the stack piece by piece. Changes to the
stack struct are easier that way.
Additionally let's add backtrace support and print the GRs on
exception so we get a bit more information when something goes wrong.
Janosch Frank (8):
s390x: Fix fpc store address in RESTORE_REGS_STACK
s390x: Fully commit to stack save area for exceptions
RFC: s390x: Define STACK_FRAME_INT_SIZE macro
s390x: Introduce and use CALL_INT_HANDLER macro
s390x: Provide preliminary backtrace support
s390x: Print more information on program exceptions
s390x: Move diag308_load_reset to stack saving
s390x: Remove SAVE/RESTORE_stack
lib/s390x/asm-offsets.c | 15 +++++--
lib/s390x/asm/arch_def.h | 29 ++++++++++---
lib/s390x/asm/interrupt.h | 4 +-
lib/s390x/interrupt.c | 43 +++++++++++++++---
lib/s390x/stack.c | 20 ++++++---
s390x/Makefile | 1 +
s390x/cpu.S | 6 ++-
s390x/cstart64.S | 25 +++--------
s390x/macros.S | 91 +++++++++++++++++++--------------------
9 files changed, 140 insertions(+), 94 deletions(-)
--
2.25.1
next reply other threads:[~2021-02-09 13:51 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-09 13:49 Janosch Frank [this message]
2021-02-09 13:49 ` [kvm-unit-tests PATCH 1/8] s390x: Fix fpc store address in RESTORE_REGS_STACK Janosch Frank
2021-02-09 15:14 ` Thomas Huth
2021-02-09 13:49 ` [kvm-unit-tests PATCH 2/8] s390x: Fully commit to stack save area for exceptions Janosch Frank
2021-02-11 14:47 ` Janosch Frank
2021-02-09 13:49 ` [kvm-unit-tests PATCH 3/8] RFC: s390x: Define STACK_FRAME_INT_SIZE macro Janosch Frank
2021-02-09 13:49 ` [kvm-unit-tests PATCH 4/8] s390x: Introduce and use CALL_INT_HANDLER macro Janosch Frank
2021-02-09 13:49 ` [kvm-unit-tests PATCH 5/8] s390x: Provide preliminary backtrace support Janosch Frank
2021-02-09 13:49 ` [kvm-unit-tests PATCH 6/8] s390x: Print more information on program exceptions Janosch Frank
2021-02-09 13:49 ` [kvm-unit-tests PATCH 7/8] s390x: Move diag308_load_reset to stack saving Janosch Frank
2021-02-09 13:49 ` [kvm-unit-tests PATCH 8/8] s390x: Remove SAVE/RESTORE_stack Janosch Frank
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