linux-kernel - [PATCH v2 14/16] MIPS: advertise MSA support via HWCAP when present

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Date:	Mon, 27 Jul 2015 12:58:25 -0700
From:	Paul Burton <paul.burton@...tec.com>
To:	<linux-mips@...ux-mips.org>
CC:	Guenter Roeck <linux@...ck-us.net>,
	Matthew Fortune <matthew.fortune@...tec.com>,
	Paul Burton <paul.burton@...tec.com>,
	"Leonid Yegoshin" <Leonid.Yegoshin@...tec.com>,
	"Maciej W. Rozycki" <macro@...ux-mips.org>,
	<linux-kernel@...r.kernel.org>, Huacai Chen <chenhc@...ote.com>,
	Markos Chandras <markos.chandras@...tec.com>,
	"Ralf Baechle" <ralf@...ux-mips.org>
Subject: [PATCH v2 14/16] MIPS: advertise MSA support via HWCAP when present

If MSA is supported by both the hardware & the kernel then advertise
that support to userland via the AT_HWCAP aux vector.

Signed-off-by: Paul Burton <paul.burton@...tec.com>
---

Changes in v2: None

 arch/mips/kernel/cpu-probe.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c
index 168a5d3..15e9efc 100644
--- a/arch/mips/kernel/cpu-probe.c
+++ b/arch/mips/kernel/cpu-probe.c
@@ -1496,6 +1496,7 @@ void cpu_probe(void)
 		c->msa_id = cpu_get_msa_id();
 		WARN(c->msa_id & MSA_IR_WRPF,
 		     "Vector register partitioning unimplemented!");
+		elf_hwcap |= HWCAP_MIPS_MSA;
 	}
 
 	cpu_probe_vmbits(c);
-- 
2.4.6

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