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Date: Mon, 29 Jun 2020 19:27:19 +0530 Message-Id: <20200629135722.73558-6-aneesh.kumar@linux.ibm.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200629135722.73558-1-aneesh.kumar@linux.ibm.com> References: <20200629135722.73558-1-aneesh.kumar@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.216,18.0.687 definitions=2020-06-29_11:2020-06-29,2020-06-29 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 suspectscore=0 cotscore=-2147483648 mlxscore=0 bulkscore=0 mlxlogscore=999 adultscore=0 malwarescore=0 priorityscore=1501 impostorscore=0 phishscore=0 spamscore=0 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2004280000 definitions=main-2006290091 Message-ID-Hash: 3X7WV2HMKFRUBCQID6VQ7CKZL5FKDZB2 X-Message-ID-Hash: 3X7WV2HMKFRUBCQID6VQ7CKZL5FKDZB2 X-MailFrom: aneesh.kumar@linux.ibm.com X-Mailman-Rule-Hits: nonmember-moderation X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation CC: Jan Kara , msuchanek@suse.de, "Aneesh Kumar K.V" X-Mailman-Version: 3.1.1 Precedence: list List-Id: "Linux-nvdimm developer list." Archived-At: List-Archive: List-Help: List-Post: List-Subscribe: List-Unsubscribe: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit of_pmem on POWER10 can now use phwsync instead of hwsync to ensure all previous writes are architecturally visible for the platform buffer flush. Signed-off-by: Aneesh Kumar K.V --- arch/powerpc/include/asm/cacheflush.h | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/arch/powerpc/include/asm/cacheflush.h b/arch/powerpc/include/asm/cacheflush.h index 54764c6e922d..95782f77d768 100644 --- a/arch/powerpc/include/asm/cacheflush.h +++ b/arch/powerpc/include/asm/cacheflush.h @@ -98,6 +98,13 @@ static inline void invalidate_dcache_range(unsigned long start, mb(); /* sync */ } +#define arch_pmem_flush_barrier arch_pmem_flush_barrier +static inline void arch_pmem_flush_barrier(void) +{ + if (cpu_has_feature(CPU_FTR_ARCH_207S)) + asm volatile(PPC_PHWSYNC ::: "memory"); +} + #include #endif /* _ASM_POWERPC_CACHEFLUSH_H */ -- 2.26.2 _______________________________________________ Linux-nvdimm mailing list -- linux-nvdimm@lists.01.org To unsubscribe send an email to linux-nvdimm-leave@lists.01.org