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Wed, 8 Jul 2020 04:50:56 +0000 (GMT) Received: from d06av26.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id A96D3AE045; Wed, 8 Jul 2020 04:50:52 +0000 (GMT) Received: from bangoria.ibmuc.com (unknown [9.199.51.84]) by d06av26.portsmouth.uk.ibm.com (Postfix) with ESMTP; Wed, 8 Jul 2020 04:50:52 +0000 (GMT) From: Ravi Bangoria To: mpe@ellerman.id.au, mikey@neuling.org Subject: [PATCH v3 0/9] powerpc/watchpoint: Enable 2nd DAWR on baremetal and powervm Date: Wed, 8 Jul 2020 10:20:37 +0530 Message-Id: <20200708045046.135702-1-ravi.bangoria@linux.ibm.com> X-Mailer: git-send-email 2.26.2 MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.235, 18.0.687 definitions=2020-07-08_01:2020-07-08, 2020-07-08 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 clxscore=1011 mlxscore=0 malwarescore=0 adultscore=0 suspectscore=0 cotscore=-2147483648 lowpriorityscore=0 bulkscore=0 mlxlogscore=604 priorityscore=1501 phishscore=0 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2004280000 definitions=main-2007080024 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: christophe.leroy@c-s.fr, ravi.bangoria@linux.ibm.com, apopple@linux.ibm.com, peterz@infradead.org, fweisbec@gmail.com, miltonm@us.ibm.com, oleg@redhat.com, npiggin@gmail.com, linux-kernel@vger.kernel.org, paulus@samba.org, jolsa@kernel.org, pedromfc@br.ibm.com, naveen.n.rao@linux.vnet.ibm.com, linuxppc-dev@lists.ozlabs.org, mingo@kernel.org Errors-To: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" Last series[1] was to add basic infrastructure support for more than one watchpoint on Book3S powerpc. This series actually enables the 2nd DAWR for baremetal and powervm. Kvm guest is still not supported. v2: https://lore.kernel.org/linuxppc-dev/20200604033443.70591-1-ravi.bangoria@linux.ibm.com/ v2->v3: - patch #2 is new. It fixes an issue with DAWR exception constraint - Rename dawr1 to debug-facilities-v31 in dt cpu feature, suggested by Nick Piggin. - Rebased to powerpc/next [1]: https://lore.kernel.org/linuxppc-dev/20200514111741.97993-1-ravi.bangoria@linux.ibm.com/ Ravi Bangoria (9): powerpc/watchpoint: Fix 512 byte boundary limit powerpc/watchpoint: Fix DAWR exception constraint powerpc/watchpoint: Enable watchpoint functionality on power10 guest powerpc/dt_cpu_ftrs: Add feature for 2nd DAWR powerpc/watchpoint: Set CPU_FTR_DAWR1 based on pa-features bit powerpc/watchpoint: Rename current H_SET_MODE DAWR macro powerpc/watchpoint: Guest support for 2nd DAWR hcall powerpc/watchpoint: Return available watchpoints dynamically powerpc/watchpoint: Remove 512 byte boundary arch/powerpc/include/asm/cputable.h | 13 ++- arch/powerpc/include/asm/hvcall.h | 3 +- arch/powerpc/include/asm/hw_breakpoint.h | 5 +- arch/powerpc/include/asm/machdep.h | 2 +- arch/powerpc/include/asm/plpar_wrappers.h | 7 +- arch/powerpc/kernel/dawr.c | 2 +- arch/powerpc/kernel/dt_cpu_ftrs.c | 7 ++ arch/powerpc/kernel/hw_breakpoint.c | 98 +++++++++++++++-------- arch/powerpc/kernel/prom.c | 2 + arch/powerpc/kvm/book3s_hv.c | 2 +- arch/powerpc/platforms/pseries/setup.c | 7 +- 11 files changed, 103 insertions(+), 45 deletions(-)