Re: [RFC PATCH v1 08/28] mm: Define VM_SHADOW_STACK for RISC-V

2024-01-25 Thread Deepak Gupta
On Thu, Jan 25, 2024 at 09:17:01AM +0100, David Hildenbrand wrote: On 25.01.24 07:21, de...@rivosinc.com wrote: From: Deepak Gupta VM_SHADOW_STACK is defined by x86 as vm flag to mark a shadow stack vma. x86 uses VM_HIGH_ARCH_5 bit but that limits shadow stack vma to 64bit only. arm64

Re: [RFC PATCH v1 08/28] mm: Define VM_SHADOW_STACK for RISC-V

2024-01-25 Thread David Hildenbrand
On 25.01.24 07:21, de...@rivosinc.com wrote: From: Deepak Gupta VM_SHADOW_STACK is defined by x86 as vm flag to mark a shadow stack vma. x86 uses VM_HIGH_ARCH_5 bit but that limits shadow stack vma to 64bit only. arm64 follows same path

[RFC PATCH v1 08/28] mm: Define VM_SHADOW_STACK for RISC-V

2024-01-24 Thread debug
From: Deepak Gupta VM_SHADOW_STACK is defined by x86 as vm flag to mark a shadow stack vma. x86 uses VM_HIGH_ARCH_5 bit but that limits shadow stack vma to 64bit only. arm64 follows same path https://lore.kernel.org/lkml/20231009-arm64-gcs-v6-12-78e55deaa...@kernel.org/#r On RISC-V, write-only