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Thu, 22 Apr 2021 05:43:55 +0000 (GMT) Received: from b03ledav004.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 4D6D67805C; Thu, 22 Apr 2021 05:43:52 +0000 (GMT) Received: from skywalker.ibmuc.com (unknown [9.199.37.130]) by b03ledav004.gho.boulder.ibm.com (Postfix) with ESMTP; Thu, 22 Apr 2021 05:43:52 +0000 (GMT) From: "Aneesh Kumar K.V" To: linux-mm@kvack.org, akpm@linux-foundation.org Cc: mpe@ellerman.id.au, linuxppc-dev@lists.ozlabs.org, kaleshsingh@google.com, npiggin@gmail.com, joel@joelfernandes.org, Christophe Leroy , "Aneesh Kumar K.V" Subject: [PATCH v5 5/9] powerpc/mm/book3s64: Update tlb flush routines to take a page walk cache flush argument Date: Thu, 22 Apr 2021 11:13:19 +0530 Message-Id: <20210422054323.150993-6-aneesh.kumar@linux.ibm.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210422054323.150993-1-aneesh.kumar@linux.ibm.com> References: <20210422054323.150993-1-aneesh.kumar@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-GUID: jF-trDOjTqVSPCyn15a62ncYWMCFDdYx X-Proofpoint-ORIG-GUID: tW-2KSAzTQbPdawvJaUzplkEJWvFGVwu X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.391,18.0.761 definitions=2021-04-22_01:2021-04-21,2021-04-21 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 priorityscore=1501 bulkscore=0 phishscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 spamscore=0 suspectscore=0 clxscore=1015 adultscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2104060000 definitions=main-2104220047 X-Rspamd-Server: rspam03 X-Rspamd-Queue-Id: 3686C130 X-Stat-Signature: en1aagp9m7afd7h6saems3mm5q39cuj7 Received-SPF: none (linux.ibm.com>: No applicable sender policy available) receiver=imf29; identity=mailfrom; envelope-from=""; helo=mx0a-001b2d01.pphosted.com; client-ip=148.163.156.1 X-HE-DKIM-Result: pass/pass X-HE-Tag: 1619070242-473780 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: No functional change in this patch Signed-off-by: Aneesh Kumar K.V --- .../include/asm/book3s/64/tlbflush-radix.h | 19 +++++++----- arch/powerpc/include/asm/book3s/64/tlbflush.h | 23 ++++++++++++--- arch/powerpc/mm/book3s64/radix_hugetlbpage.c | 4 +-- arch/powerpc/mm/book3s64/radix_tlb.c | 29 +++++++------------ 4 files changed, 42 insertions(+), 33 deletions(-) diff --git a/arch/powerpc/include/asm/book3s/64/tlbflush-radix.h b/arch/powerpc/include/asm/book3s/64/tlbflush-radix.h index 8b33601cdb9d..171441a43b35 100644 --- a/arch/powerpc/include/asm/book3s/64/tlbflush-radix.h +++ b/arch/powerpc/include/asm/book3s/64/tlbflush-radix.h @@ -56,15 +56,18 @@ static inline void radix__flush_all_lpid_guest(unsigned int lpid) } #endif -extern void radix__flush_hugetlb_tlb_range(struct vm_area_struct *vma, - unsigned long start, unsigned long end); -extern void radix__flush_tlb_range_psize(struct mm_struct *mm, unsigned long start, - unsigned long end, int psize); -extern void radix__flush_pmd_tlb_range(struct vm_area_struct *vma, - unsigned long start, unsigned long end); -extern void radix__flush_tlb_range(struct vm_area_struct *vma, unsigned long start, +void radix__flush_hugetlb_tlb_range(struct vm_area_struct *vma, + unsigned long start, unsigned long end, + bool flush_pwc); +void radix__flush_pmd_tlb_range(struct vm_area_struct *vma, + unsigned long start, unsigned long end, + bool flush_pwc); +void radix__flush_tlb_pwc_range_psize(struct mm_struct *mm, unsigned long start, + unsigned long end, int psize, bool flush_pwc); +void radix__flush_tlb_range(struct vm_area_struct *vma, unsigned long start, unsigned long end); -extern void radix__flush_tlb_kernel_range(unsigned long start, unsigned long end); +void radix__flush_tlb_kernel_range(unsigned long start, unsigned long end); + extern void radix__local_flush_tlb_mm(struct mm_struct *mm); extern void radix__local_flush_all_mm(struct mm_struct *mm); diff --git a/arch/powerpc/include/asm/book3s/64/tlbflush.h b/arch/powerpc/include/asm/book3s/64/tlbflush.h index 215973b4cb26..f9f8a3a264f7 100644 --- a/arch/powerpc/include/asm/book3s/64/tlbflush.h +++ b/arch/powerpc/include/asm/book3s/64/tlbflush.h @@ -45,13 +45,30 @@ static inline void tlbiel_all_lpid(bool radix) hash__tlbiel_all(TLB_INVAL_SCOPE_LPID); } +static inline void flush_pmd_tlb_pwc_range(struct vm_area_struct *vma, + unsigned long start, + unsigned long end, + bool flush_pwc) +{ + if (radix_enabled()) + return radix__flush_pmd_tlb_range(vma, start, end, flush_pwc); + return hash__flush_tlb_range(vma, start, end); +} #define __HAVE_ARCH_FLUSH_PMD_TLB_RANGE static inline void flush_pmd_tlb_range(struct vm_area_struct *vma, unsigned long start, unsigned long end) +{ + return flush_pmd_tlb_pwc_range(vma, start, end, false); +} + +static inline void flush_hugetlb_tlb_pwc_range(struct vm_area_struct *vma, + unsigned long start, + unsigned long end, + bool flush_pwc) { if (radix_enabled()) - return radix__flush_pmd_tlb_range(vma, start, end); + return radix__flush_hugetlb_tlb_range(vma, start, end, flush_pwc); return hash__flush_tlb_range(vma, start, end); } @@ -60,9 +77,7 @@ static inline void flush_hugetlb_tlb_range(struct vm_area_struct *vma, unsigned long start, unsigned long end) { - if (radix_enabled()) - return radix__flush_hugetlb_tlb_range(vma, start, end); - return hash__flush_tlb_range(vma, start, end); + return flush_hugetlb_tlb_pwc_range(vma, start, end, false); } static inline void flush_tlb_range(struct vm_area_struct *vma, diff --git a/arch/powerpc/mm/book3s64/radix_hugetlbpage.c b/arch/powerpc/mm/book3s64/radix_hugetlbpage.c index cb91071eef52..e62f5679b119 100644 --- a/arch/powerpc/mm/book3s64/radix_hugetlbpage.c +++ b/arch/powerpc/mm/book3s64/radix_hugetlbpage.c @@ -26,13 +26,13 @@ void radix__local_flush_hugetlb_page(struct vm_area_struct *vma, unsigned long v } void radix__flush_hugetlb_tlb_range(struct vm_area_struct *vma, unsigned long start, - unsigned long end) + unsigned long end, bool flush_pwc) { int psize; struct hstate *hstate = hstate_file(vma->vm_file); psize = hstate_get_psize(hstate); - radix__flush_tlb_range_psize(vma->vm_mm, start, end, psize); + radix__flush_tlb_pwc_range_psize(vma->vm_mm, start, end, psize, flush_pwc); } /* diff --git a/arch/powerpc/mm/book3s64/radix_tlb.c b/arch/powerpc/mm/book3s64/radix_tlb.c index 817a02ef6032..5a59e19f9e53 100644 --- a/arch/powerpc/mm/book3s64/radix_tlb.c +++ b/arch/powerpc/mm/book3s64/radix_tlb.c @@ -1090,7 +1090,7 @@ void radix__flush_tlb_range(struct vm_area_struct *vma, unsigned long start, { #ifdef CONFIG_HUGETLB_PAGE if (is_vm_hugetlb_page(vma)) - return radix__flush_hugetlb_tlb_range(vma, start, end); + return radix__flush_hugetlb_tlb_range(vma, start, end, false); #endif __radix__flush_tlb_range(vma->vm_mm, start, end); @@ -1151,9 +1151,6 @@ void radix__flush_all_lpid_guest(unsigned int lpid) _tlbie_lpid_guest(lpid, RIC_FLUSH_ALL); } -static void radix__flush_tlb_pwc_range_psize(struct mm_struct *mm, unsigned long start, - unsigned long end, int psize); - void radix__tlb_flush(struct mmu_gather *tlb) { int psize = 0; @@ -1177,10 +1174,8 @@ void radix__tlb_flush(struct mmu_gather *tlb) else radix__flush_all_mm(mm); } else { - if (!tlb->freed_tables) - radix__flush_tlb_range_psize(mm, start, end, psize); - else - radix__flush_tlb_pwc_range_psize(mm, start, end, psize); + radix__flush_tlb_pwc_range_psize(mm, start, + end, psize, tlb->freed_tables); } } @@ -1254,16 +1249,10 @@ static void __radix__flush_tlb_range_psize(struct mm_struct *mm, preempt_enable(); } -void radix__flush_tlb_range_psize(struct mm_struct *mm, unsigned long start, - unsigned long end, int psize) +void radix__flush_tlb_pwc_range_psize(struct mm_struct *mm, unsigned long start, + unsigned long end, int psize, bool flush_pwc) { - return __radix__flush_tlb_range_psize(mm, start, end, psize, false); -} - -static void radix__flush_tlb_pwc_range_psize(struct mm_struct *mm, unsigned long start, - unsigned long end, int psize) -{ - __radix__flush_tlb_range_psize(mm, start, end, psize, true); + __radix__flush_tlb_range_psize(mm, start, end, psize, flush_pwc); } #ifdef CONFIG_TRANSPARENT_HUGEPAGE @@ -1315,9 +1304,11 @@ void radix__flush_tlb_collapsed_pmd(struct mm_struct *mm, unsigned long addr) #endif /* CONFIG_TRANSPARENT_HUGEPAGE */ void radix__flush_pmd_tlb_range(struct vm_area_struct *vma, - unsigned long start, unsigned long end) + unsigned long start, unsigned long end, + bool flush_pwc) { - radix__flush_tlb_range_psize(vma->vm_mm, start, end, MMU_PAGE_2M); + __radix__flush_tlb_range_psize(vma->vm_mm, start, + end, MMU_PAGE_2M, flush_pwc); } EXPORT_SYMBOL(radix__flush_pmd_tlb_range);