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From: Haitao Huang <haitao.huang@linux.intel.com>
To: linux-sgx@vger.kernel.org, jarkko@kernel.org,
	dave.hansen@linux.intel.com, reinette.chatre@intel.com,
	vijay.dhanraj@intel.com
Subject: [RFC PATCH v4 1/4] x86/sgx: Export sgx_encl_eaug_page
Date: Fri, 27 Jan 2023 20:55:26 -0800	[thread overview]
Message-ID: <20230128045529.15749-2-haitao.huang@linux.intel.com> (raw)
In-Reply-To: <20230128045529.15749-1-haitao.huang@linux.intel.com>

This function will be called by both the page fault handler
and the fops->fadvise callback.

Signed-off-by: Haitao Huang <haitao.huang@linux.intel.com>
Acked-by: Jarkko Sakkinen <jarkko@kernel.org>
---
 arch/x86/kernel/cpu/sgx/encl.c | 4 ++--
 arch/x86/kernel/cpu/sgx/encl.h | 2 ++
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kernel/cpu/sgx/encl.c b/arch/x86/kernel/cpu/sgx/encl.c
index 2a0e90fe2abc..0185c5ab48dd 100644
--- a/arch/x86/kernel/cpu/sgx/encl.c
+++ b/arch/x86/kernel/cpu/sgx/encl.c
@@ -311,8 +311,8 @@ struct sgx_encl_page *sgx_encl_load_page(struct sgx_encl *encl,
  * Returns: Appropriate vm_fault_t: VM_FAULT_NOPAGE when PTE was installed
  * successfully, VM_FAULT_SIGBUS or VM_FAULT_OOM as error otherwise.
  */
-static vm_fault_t sgx_encl_eaug_page(struct vm_area_struct *vma,
-				     struct sgx_encl *encl, unsigned long addr)
+vm_fault_t sgx_encl_eaug_page(struct vm_area_struct *vma,
+			      struct sgx_encl *encl, unsigned long addr)
 {
 	vm_fault_t vmret = VM_FAULT_SIGBUS;
 	struct sgx_pageinfo pginfo = {0};
diff --git a/arch/x86/kernel/cpu/sgx/encl.h b/arch/x86/kernel/cpu/sgx/encl.h
index f94ff14c9486..9f19b06c3ae3 100644
--- a/arch/x86/kernel/cpu/sgx/encl.h
+++ b/arch/x86/kernel/cpu/sgx/encl.h
@@ -125,5 +125,7 @@ struct sgx_encl_page *sgx_encl_load_page(struct sgx_encl *encl,
 					 unsigned long addr);
 struct sgx_va_page *sgx_encl_grow(struct sgx_encl *encl, bool reclaim);
 void sgx_encl_shrink(struct sgx_encl *encl, struct sgx_va_page *va_page);
+vm_fault_t sgx_encl_eaug_page(struct vm_area_struct *vma,
+			      struct sgx_encl *encl, unsigned long addr);
 
 #endif /* _X86_ENCL_H */
-- 
2.25.1


  reply	other threads:[~2023-01-28  4:55 UTC|newest]

Thread overview: 60+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-01-28  4:55 [RFC PATCH v4 0/4] x86/sgx: implement support for MADV_WILLNEED Haitao Huang
2023-01-28  4:55 ` Haitao Huang [this message]
2023-01-28  4:55   ` [RFC PATCH v4 2/4] x86/sgx: Implement " Haitao Huang
2023-01-28  4:55     ` [RFC PATCH v4 3/4] selftests/sgx: add len field for EACCEPT op Haitao Huang
2023-01-28  4:55       ` [RFC PATCH v4 4/4] selftests/sgx: Add test for madvise(..., WILLNEED) Haitao Huang
2023-02-07 23:30         ` Jarkko Sakkinen
2023-02-15  2:38         ` Huang, Kai
2023-02-15  4:42           ` Haitao Huang
2023-02-15  8:46             ` Huang, Kai
2023-02-17 22:29               ` jarkko
2023-02-07 23:29       ` [RFC PATCH v4 3/4] selftests/sgx: add len field for EACCEPT op Jarkko Sakkinen
2023-02-07 23:28     ` [RFC PATCH v4 2/4] x86/sgx: Implement support for MADV_WILLNEED Jarkko Sakkinen
2023-02-14  9:47     ` Huang, Kai
2023-02-14 19:18       ` Haitao Huang
2023-02-14 20:54         ` Huang, Kai
2023-02-14 21:42           ` Haitao Huang
2023-02-14 22:36             ` Huang, Kai
2023-02-15  3:59               ` Haitao Huang
2023-02-15  8:51                 ` Huang, Kai
2023-02-15 15:42                   ` Haitao Huang
2023-02-16  7:53                     ` Huang, Kai
2023-02-16 17:12                       ` Haitao Huang
2023-02-17 22:32                     ` jarkko
2023-02-17 23:03                       ` Haitao Huang
2023-02-21 22:10                         ` jarkko
2023-02-22  1:37                           ` Haitao Huang
2023-03-07 23:32                             ` Huang, Kai
2023-03-09  0:50                               ` Haitao Huang
2023-03-09 11:31                                 ` Huang, Kai
2023-03-14 14:54                                   ` Haitao Huang
2023-03-19 13:26                                     ` jarkko
2023-03-20  9:36                                       ` Huang, Kai
2023-03-20 14:04                                         ` jarkko
2023-05-27  0:32                                   ` Haitao Huang
2023-06-06  4:11                                     ` Huang, Kai
2023-06-07 16:59                                       ` Haitao Huang
2023-06-16  3:49                                       ` Huang, Kai
2023-06-16 22:05                                         ` Sean Christopherson
2023-06-19 11:17                                           ` Huang, Kai
2023-06-22 22:01                                             ` Sean Christopherson
2023-06-22 23:21                                               ` Huang, Kai
2023-06-26 22:28                                                 ` Sean Christopherson
2023-06-27 11:43                                                   ` Huang, Kai
2023-06-27 14:50                                                     ` Sean Christopherson
2023-06-28  9:37                                                       ` Huang, Kai
2023-06-28 14:57                                                         ` Sean Christopherson
2023-06-29  3:10                                                           ` Huang, Kai
2023-06-29 14:23                                                             ` Sean Christopherson
2023-06-29 23:29                                                               ` Huang, Kai
2023-06-30  0:14                                                                 ` Sean Christopherson
2023-06-30  0:56                                                                   ` Huang, Kai
2023-06-30  1:54                                                                 ` Jarkko Sakkinen
2023-06-30  1:57                                                                   ` Jarkko Sakkinen
2023-06-30  4:26                                                                     ` Huang, Kai
2023-06-30  9:35                                                                       ` Jarkko Sakkinen
2023-03-12  1:25                               ` jarkko
2023-03-12 22:25                                 ` Huang, Kai
2023-02-17 22:07           ` jarkko
2023-02-17 21:50       ` jarkko
2023-02-07 23:26   ` [RFC PATCH v4 1/4] x86/sgx: Export sgx_encl_eaug_page Jarkko Sakkinen

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