RE: [PATCH v11 1/4] arm64: cpufeature: introduce helper cpu_has_hw_af()

2019-10-11 Thread Justin He (Arm Technology China)
Hi Catanlin Thanks for the detailed explanation. Will send out v12 soon after testing -- Cheers, Justin (Jia He) > -Original Message- > From: Catalin Marinas > Sent: Friday, October 11, 2019 6:39 PM > To: Justin He (Arm Technology China) > Cc: Will Deacon ; Mark Ru

RE: [PATCH v11 1/4] arm64: cpufeature: introduce helper cpu_has_hw_af()

2019-10-10 Thread Justin He (Arm Technology China)
Hi Catalin > -Original Message- > From: Catalin Marinas > Sent: Friday, October 11, 2019 12:43 AM > To: Justin He (Arm Technology China) > Cc: Will Deacon ; Mark Rutland > ; James Morse ; Marc > Zyngier ; Matthew Wilcox ; Kirill A. > Shutemov ; linux-arm- >

RE: [PATCH v10 3/3] mm: fix double page fault on arm64 if PTE_AF is cleared

2019-10-08 Thread Justin He (Arm Technology China)
Hi Will > -Original Message- > From: Will Deacon > Sent: 2019年10月8日 20:40 > To: Justin He (Arm Technology China) > Cc: Catalin Marinas ; Mark Rutland > ; James Morse ; Marc > Zyngier ; Matthew Wilcox ; Kirill A. > Shutemov ; linux-arm- > ker...@lists.

RE: [PATCH v10 2/3] arm64: mm: implement arch_faults_on_old_pte() on arm64

2019-10-07 Thread Justin He (Arm Technology China)
> -Original Message- > From: Justin He (Arm Technology China) > Sent: 2019年10月8日 9:55 > To: Marc Zyngier ; Will Deacon > Cc: Catalin Marinas ; Mark Rutland > ; James Morse ; > Matthew Wilcox ; Kirill A. Shutemov > ; linux-arm-ker...@lists.infradead.org; > l

RE: [PATCH v10 3/3] mm: fix double page fault on arm64 if PTE_AF is cleared

2019-10-07 Thread Justin He (Arm Technology China)
Hi Will > -Original Message- > From: Will Deacon > Sent: 2019年10月1日 20:54 > To: Justin He (Arm Technology China) > Cc: Catalin Marinas ; Mark Rutland > ; James Morse ; Marc > Zyngier ; Matthew Wilcox ; Kirill A. > Shutemov ; linux-arm- > ker...@lists.

RE: [PATCH v10 2/3] arm64: mm: implement arch_faults_on_old_pte() on arm64

2019-10-07 Thread Justin He (Arm Technology China)
Hi Will and Marc > -Original Message- > From: Marc Zyngier > Sent: 2019年10月1日 21:32 > To: Will Deacon > Cc: Justin He (Arm Technology China) ; Catalin > Marinas ; Mark Rutland > ; James Morse ; > Matthew Wilcox ; Kirill A. Shutemov > ; linux-arm-ker...@l

RE: [PATCH v10 1/3] arm64: cpufeature: introduce helper cpu_has_hw_af()

2019-10-07 Thread Justin He (Arm Technology China)
Hi Will and Marc Sorry for the late response, just came back from a vacation. > -Original Message- > From: Marc Zyngier > Sent: 2019年10月1日 21:19 > To: Will Deacon > Cc: Justin He (Arm Technology China) ; Catalin > Marinas ; Mark Rutland > ; James Morse ; >

RE: [PATCH v9 1/3] arm64: cpufeature: introduce helper cpu_has_hw_af()

2019-09-26 Thread Justin He (Arm Technology China)
Hi Catalin > -Original Message- > From: Catalin Marinas > Sent: 2019年9月25日 22:38 > To: Justin He (Arm Technology China) > Cc: Will Deacon ; Mark Rutland > ; James Morse ; Marc > Zyngier ; Matthew Wilcox ; Kirill A. > Shutemov ; linux-arm- > ker...@lists.

RE: [PATCH v9 3/3] mm: fix double page fault on arm64 if PTE_AF is cleared

2019-09-24 Thread Justin He (Arm Technology China)
> ; Robin Murphy ; > Thomas Gleixner ; Andrew Morton foundation.org>; Jérôme Glisse ; Ralph Campbell > ; hejia...@gmail.com; Kaly Xin (Arm Technology > China) ; nd ; Justin He (Arm > Technology China) > Subject: [PATCH v9 3/3] mm: fix double page fault on arm64 if

RE: [PATCH v8 3/3] mm: fix double page fault on arm64 if PTE_AF is cleared

2019-09-24 Thread Justin He (Arm Technology China)
Hi Catalin Please see an important comment inline, thanks > -Original Message- > From: Catalin Marinas > Sent: 2019年9月24日 1:05 > To: Justin He (Arm Technology China) > Cc: Will Deacon ; Mark Rutland > ; James Morse ; Marc > Zyngier ; Matthew Wilcox ; Kirill A. &

RE: [PATCH v8 2/3] arm64: mm: implement arch_faults_on_old_pte() on arm64

2019-09-23 Thread Justin He (Arm Technology China)
> -Original Message- > From: Catalin Marinas > Sent: 2019年9月24日 0:18 > To: Justin He (Arm Technology China) > Cc: Will Deacon ; Mark Rutland > ; James Morse ; Marc > Zyngier ; Matthew Wilcox ; Kirill A. > Shutemov ; linux-arm- > ker...@lists.infradead.org; l

RE: [PATCH v8 1/3] arm64: cpufeature: introduce helper cpu_has_hw_af()

2019-09-23 Thread Justin He (Arm Technology China)
Hi Catalin > -Original Message- > From: Catalin Marinas > Sent: 2019年9月24日 0:07 > To: Justin He (Arm Technology China) > Cc: Will Deacon ; Mark Rutland > ; James Morse ; Marc > Zyngier ; Matthew Wilcox ; Kirill A. > Shutemov ; linux-arm- > ker...@lists.

RE: [PATCH v7 3/3] mm: fix double page fault on arm64 if PTE_AF is cleared

2019-09-20 Thread Justin He (Arm Technology China)
Thanks for your patent review  -- Cheers, Justin (Jia He) > -Original Message- > From: Kirill A. Shutemov > Sent: 2019年9月20日 22:21 > To: Justin He (Arm Technology China) > Cc: Catalin Marinas ; Will Deacon > ; Mark Rutland ; James Morse > ; Marc Zyngier ; Matt

RE: [PATCH v5 3/3] mm: fix double page fault on arm64 if PTE_AF is cleared

2019-09-19 Thread Justin He (Arm Technology China)
Hi Catalin > -Original Message- > From: Catalin Marinas > Sent: 2019年9月20日 0:42 > To: Justin He (Arm Technology China) > Cc: Will Deacon ; Mark Rutland > ; James Morse ; Marc > Zyngier ; Matthew Wilcox ; Kirill A. > Shutemov ; linux-arm- > ker...@lists.

RE: [PATCH v5 1/3] arm64: cpufeature: introduce helper cpu_has_hw_af()

2019-09-19 Thread Justin He (Arm Technology China)
Hi Catalin > -Original Message- > From: Catalin Marinas > Sent: 2019年9月20日 0:37 > To: Justin He (Arm Technology China) > Cc: Will Deacon ; Mark Rutland > ; James Morse ; Marc > Zyngier ; Matthew Wilcox ; Kirill A. > Shutemov ; linux-arm- > ker...@lists.

RE: [PATCH v4 3/3] mm: fix double page fault on arm64 if PTE_AF is cleared

2019-09-19 Thread Justin He (Arm Technology China)
Hi Kirill Thanks for the detailed explanation. -- Cheers, Justin (Jia He) > -Original Message- > From: Kirill A. Shutemov > Sent: 2019年9月19日 22:58 > To: Jia He > Cc: Justin He (Arm Technology China) ; Catalin > Marinas ; Will Deacon ; Mark > Rutland ; James M

RE: [PATCH v4 1/3] arm64: cpufeature: introduce helper cpu_has_hw_af()

2019-09-18 Thread Justin He (Arm Technology China)
Hi Suzuki > -Original Message- > From: Catalin Marinas > Sent: 2019年9月19日 0:46 > To: Suzuki Poulose > Cc: Justin He (Arm Technology China) ; Will Deacon > ; Mark Rutland ; James Morse > ; Marc Zyngier ; Matthew > Wilcox ; Kirill A. Shutemov > ; linux-arm

RE: [PATCH v4 3/3] mm: fix double page fault on arm64 if PTE_AF is cleared

2019-09-18 Thread Justin He (Arm Technology China)
> -Original Message- > From: kbuild test robot > Sent: 2019年9月19日 3:36 > To: Justin He (Arm Technology China) > Cc: kbuild-...@01.org; Catalin Marinas ; Will > Deacon ; Mark Rutland ; > James Morse ; Marc Zyngier ; > Matthew Wilcox ; Kirill A. Sh

RE: [PATCH v3 2/2] mm: fix double page fault on arm64 if PTE_AF is cleared

2019-09-16 Thread Justin He (Arm Technology China)
Hi Kirill > -Original Message- > From: Kirill A. Shutemov > Sent: 2019年9月16日 17:16 > To: Justin He (Arm Technology China) > Cc: Catalin Marinas ; Will Deacon > ; Mark Rutland ; James Morse > ; Marc Zyngier ; Matthew > Wilcox ; Kirill A. Shutemov > ; linux-arm

RE: [PATCH 1/2] drivers/dax/kmem: use default numa_mem_id if target_node is invalid

2019-09-03 Thread Justin He (Arm Technology China)
linux-nvd...@lists.01.org; linux- > ker...@vger.kernel.org; Justin He (Arm Technology China) > > Subject: [PATCH 1/2] drivers/dax/kmem: use default numa_mem_id if > target_node is invalid > > In some platforms(e.g arm64 guest), the NFIT info might not be ready. > Then target_n

RE: [PATCH 2/2] lib/test_printf: add test of null/invalid pointer dereference for dentry

2019-08-16 Thread Justin He (Arm Technology China)
Hi Petr > -Original Message- > From: Petr Mladek > Sent: 2019年8月16日 16:27 > To: Justin He (Arm Technology China) > Cc: Geert Uytterhoeven ; Sergey Senozhatsky > ; Thomas Gleixner ; > Andy Shevchenko ; linux- > ker...@vger.kernel.org; Kees Cook ; Steven > Ro

RE: [PATCH 1/2] vsprintf: Prevent crash when dereferencing invalid pointers for %pD

2019-08-09 Thread Justin He (Arm Technology China)
> -Original Message- > From: Andy Shevchenko > Sent: 2019年8月9日 18:52 > To: Justin He (Arm Technology China) > Cc: Petr Mladek ; Andy Shevchenko > ; Sergey Senozhatsky > ; Geert Uytterhoeven > ; Linux Kernel Mailing List ker...@vger.kernel.org>; Thomas

RE: [PATCH] arm64: mm: add missing PTE_SPECIAL in pte_mkdevmap on arm64

2019-08-08 Thread Justin He (Arm Technology China)
Hi Anshuman Thanks for the comments, please see my comments below > -Original Message- > From: Anshuman Khandual > Sent: 2019年8月8日 13:19 > To: Justin He (Arm Technology China) ; Catalin > Marinas ; Will Deacon ; > Mark Rutland ; James Morse > > Cc: Christof