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| author | Deepak Gupta <debug@rivosinc.com> | 2026-01-26 07:09:52 +0300 |
|---|---|---|
| committer | Paul Walmsley <pjw@kernel.org> | 2026-01-26 07:09:52 +0300 |
| commit | 98036587a475f371005e42d3fff9feb9cf713880 (patch) | |
| tree | b49b4cc3c1ab24b9f96e34dbcd0a5b09fe9cd144 /include/linux | |
| parent | 3127718ad9552c9ca90e6eab37cd504c6806bfe4 (diff) | |
| download | linux-98036587a475f371005e42d3fff9feb9cf713880.tar.xz | |
mm: add VM_SHADOW_STACK definition for riscv
VM_HIGH_ARCH_5 is used for riscv.
Reviewed-by: Zong Li <zong.li@sifive.com>
Reviewed-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Acked-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Deepak Gupta <debug@rivosinc.com>
Tested-by: Andreas Korb <andreas.korb@aisec.fraunhofer.de> # QEMU, custom CVA6
Tested-by: Valentin Haudiquet <valentin.haudiquet@canonical.com>
Link: https://patch.msgid.link/20251112-v5_user_cfi_series-v23-1-b55691eacf4f@rivosinc.com
[pjw@kernel.org: clarify subject; update to apply]
Signed-off-by: Paul Walmsley <pjw@kernel.org>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/mm.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h index f0d5be9dc736..26c8a0c3fbaa 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -359,7 +359,7 @@ enum { DECLARE_VMA_BIT_ALIAS(PKEY_BIT2, HIGH_ARCH_2), DECLARE_VMA_BIT_ALIAS(PKEY_BIT3, HIGH_ARCH_3), DECLARE_VMA_BIT_ALIAS(PKEY_BIT4, HIGH_ARCH_4), -#if defined(CONFIG_X86_USER_SHADOW_STACK) +#if defined(CONFIG_X86_USER_SHADOW_STACK) || defined(CONFIG_RISCV_USER_CFI) /* * VM_SHADOW_STACK should not be set with VM_SHARED because of lack of * support core mm. @@ -460,7 +460,8 @@ enum { #define VM_PKEY_BIT4 VM_NONE #endif /* CONFIG_ARCH_PKEY_BITS > 4 */ #endif /* CONFIG_ARCH_HAS_PKEYS */ -#if defined(CONFIG_X86_USER_SHADOW_STACK) || defined(CONFIG_ARM64_GCS) +#if defined(CONFIG_X86_USER_SHADOW_STACK) || defined(CONFIG_ARM64_GCS) || \ + defined(CONFIG_RISCV_USER_CFI) #define VM_SHADOW_STACK INIT_VM_FLAG(SHADOW_STACK) #else #define VM_SHADOW_STACK VM_NONE |