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authorMark Brown <broonie@kernel.org>2024-10-04 21:26:29 +0100
committerCatalin Marinas <catalin.marinas@arm.com>2024-10-17 18:38:49 +0100
commit4e6e8c2b757f382684abc4765202cd25c221dea1 (patch)
tree2db900b84fb40120b1485a6690c1e26863b54ba9 /fs/compat_binfmt_elf.c
parent9852d85ec9d492ebef56dc5f229416c925758edc (diff)
binfmt_elf: Wire up AT_HWCAP3 at AT_HWCAP4
AT_HWCAP3 and AT_HWCAP4 were recently defined for use on PowerPC in commit 3281366a8e79 ("uapi/auxvec: Define AT_HWCAP3 and AT_HWCAP4 aux vector, entries"). Since we want to start using AT_HWCAP3 on arm64 add support for exposing both these new hwcaps via binfmt_elf. Signed-off-by: Mark Brown <broonie@kernel.org> Acked-by: Kees Cook <kees@kernel.org> Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com> Link: https://lore.kernel.org/r/20241004-arm64-elf-hwcap3-v2-1-799d1daad8b0@kernel.org Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'fs/compat_binfmt_elf.c')
-rw-r--r--fs/compat_binfmt_elf.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/fs/compat_binfmt_elf.c b/fs/compat_binfmt_elf.c
index 8f0af4f62631..d5ef5469e4e6 100644
--- a/fs/compat_binfmt_elf.c
+++ b/fs/compat_binfmt_elf.c
@@ -80,6 +80,16 @@
#define ELF_HWCAP2 COMPAT_ELF_HWCAP2
#endif
+#ifdef COMPAT_ELF_HWCAP3
+#undef ELF_HWCAP3
+#define ELF_HWCAP3 COMPAT_ELF_HWCAP3
+#endif
+
+#ifdef COMPAT_ELF_HWCAP4
+#undef ELF_HWCAP4
+#define ELF_HWCAP4 COMPAT_ELF_HWCAP4
+#endif
+
#ifdef COMPAT_ARCH_DLINFO
#undef ARCH_DLINFO
#define ARCH_DLINFO COMPAT_ARCH_DLINFO