From 4e6e8c2b757f382684abc4765202cd25c221dea1 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Fri, 4 Oct 2024 21:26:29 +0100 Subject: 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 Acked-by: Kees Cook Reviewed-by: Anshuman Khandual Link: https://lore.kernel.org/r/20241004-arm64-elf-hwcap3-v2-1-799d1daad8b0@kernel.org Signed-off-by: Catalin Marinas --- fs/binfmt_elf.c | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'fs/binfmt_elf.c') diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c index 06dc4a57ba78..3039a6b7aba4 100644 --- a/fs/binfmt_elf.c +++ b/fs/binfmt_elf.c @@ -257,6 +257,12 @@ create_elf_tables(struct linux_binprm *bprm, const struct elfhdr *exec, NEW_AUX_ENT(AT_RANDOM, (elf_addr_t)(unsigned long)u_rand_bytes); #ifdef ELF_HWCAP2 NEW_AUX_ENT(AT_HWCAP2, ELF_HWCAP2); +#endif +#ifdef ELF_HWCAP3 + NEW_AUX_ENT(AT_HWCAP3, ELF_HWCAP3); +#endif +#ifdef ELF_HWCAP4 + NEW_AUX_ENT(AT_HWCAP4, ELF_HWCAP4); #endif NEW_AUX_ENT(AT_EXECFN, bprm->exec); if (k_platform) { -- cgit v1.2.3