From: ard.biesheuvel@linaro.org (Ard Biesheuvel)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 resend 2/5] binfmt_elf: add ELF_HWCAP2 to compat auxv entries
Date: Fri, 17 Jan 2014 10:23:08 +0100 [thread overview]
Message-ID: <1389950591-4212-3-git-send-email-ard.biesheuvel@linaro.org> (raw)
In-Reply-To: <1389950591-4212-1-git-send-email-ard.biesheuvel@linaro.org>
Add ELF_HWCAP2 to the set of auxv entries that is passed to
a 32-bit ELF program running in 32-bit compat mode under a
64-bit kernel.
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
---
fs/compat_binfmt_elf.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/fs/compat_binfmt_elf.c b/fs/compat_binfmt_elf.c
index a81147e2e4ef..4d24d17bcfc1 100644
--- a/fs/compat_binfmt_elf.c
+++ b/fs/compat_binfmt_elf.c
@@ -88,6 +88,11 @@ static void cputime_to_compat_timeval(const cputime_t cputime,
#define ELF_HWCAP COMPAT_ELF_HWCAP
#endif
+#ifdef COMPAT_ELF_HWCAP2
+#undef ELF_HWCAP2
+#define ELF_HWCAP2 COMPAT_ELF_HWCAP2
+#endif
+
#ifdef COMPAT_ARCH_DLINFO
#undef ARCH_DLINFO
#define ARCH_DLINFO COMPAT_ARCH_DLINFO
--
1.8.3.2
next prev parent reply other threads:[~2014-01-17 9:23 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-17 9:23 [PATCH v2 resend 0/5] arm64: advertise availability of CRC and crypto instructions Ard Biesheuvel
2014-01-17 9:23 ` [PATCH v2 resend 1/5] ARM: add support for AT_HWCAP2 ELF auxv entry Ard Biesheuvel
2014-01-17 15:07 ` Will Deacon
2014-01-17 15:26 ` Ard Biesheuvel
2014-01-17 9:23 ` Ard Biesheuvel [this message]
2014-01-17 9:23 ` [PATCH v2 resend 3/5] arm64: add AT_HWCAP2 support for 32-bit compat Ard Biesheuvel
2014-01-17 9:23 ` [PATCH v2 resend 4/5] ARM: introduce HWCAP2 feature bits for ARMv8 Crypto Extensions Ard Biesheuvel
2014-01-17 9:23 ` [PATCH v2 resend 5/5] arm64: advertise ARMv8 extensions to 32-bit compat ELF binaries Ard Biesheuvel
2014-01-23 15:01 ` [PATCH v2 resend 0/5] arm64: advertise availability of CRC and crypto instructions Catalin Marinas
2014-02-05 13:37 ` Catalin Marinas
2014-02-19 21:40 ` Ard Biesheuvel
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