From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:15938 "EHLO mx0b-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231845AbhBINvd (ORCPT ); Tue, 9 Feb 2021 08:51:33 -0500 From: Janosch Frank Subject: [kvm-unit-tests PATCH 7/8] s390x: Move diag308_load_reset to stack saving Date: Tue, 9 Feb 2021 08:49:24 -0500 Message-Id: <20210209134925.22248-8-frankja@linux.ibm.com> In-Reply-To: <20210209134925.22248-1-frankja@linux.ibm.com> References: <20210209134925.22248-1-frankja@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit List-ID: 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 By moving the last user of SAVE/RESTORE_REGS to the macros that use the stack we can finally remove these macros. Signed-off-by: Janosch Frank Reviewed-by: Claudio Imbrenda Reviewed-by: Pierre Morel --- s390x/cpu.S | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/s390x/cpu.S b/s390x/cpu.S index 5267f029..e2ad56c8 100644 --- a/s390x/cpu.S +++ b/s390x/cpu.S @@ -18,7 +18,7 @@ */ .globl diag308_load_reset diag308_load_reset: - SAVE_REGS + SAVE_REGS_STACK /* Backup current PSW mask, as we have to restore it on success */ epsw %r0, %r1 st %r0, GEN_LC_SW_INT_PSW @@ -31,6 +31,7 @@ diag308_load_reset: ogr %r0, %r1 /* Store it at the reset PSW location (real 0x0) */ stg %r0, 0 + stg %r15, GEN_LC_SW_INT_GRS + 15 * 8 /* Do the reset */ diag %r0,%r2,0x308 /* Failure path */ @@ -40,7 +41,8 @@ diag308_load_reset: /* load a cr0 that has the AFP control bit which enables all FPRs */ 0: larl %r1, initial_cr0 lctlg %c0, %c0, 0(%r1) - RESTORE_REGS + lg %r15, GEN_LC_SW_INT_GRS + 15 * 8 + RESTORE_REGS_STACK lhi %r2, 1 larl %r0, 1f stg %r0, GEN_LC_SW_INT_PSW + 8 -- 2.25.1