linux-kernel - [PATCH] MIPS: Fix fallback march for SB1

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Message-Id: <20240714-fix-flags-v1-1-63c103e73d43@flygoat.com>
Date: Sun, 14 Jul 2024 10:52:57 +0800
From: Jiaxun Yang <jiaxun.yang@...goat.com>
To: Thomas Bogendoerfer <tsbogend@...ha.franken.de>
Cc: linux-mips@...r.kernel.org, linux-kernel@...r.kernel.org, 
 kernel test robot <lkp@...el.com>, Jiaxun Yang <jiaxun.yang@...goat.com>
Subject: [PATCH] MIPS: Fix fallback march for SB1

Fallback march for SB1 should be mips64 instead of mips64r1.

Reported-by: kernel test robot <lkp@...el.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202407111851.LwDasTcp-lkp@intel.com/
Fixes: bfc0a330c1b4 ("MIPS: Fallback CPU -march flag to ISA level if unsupported")
Signed-off-by: Jiaxun Yang <jiaxun.yang@...goat.com>
---
 arch/mips/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/mips/Makefile b/arch/mips/Makefile
index 80aecba24892..5785a3d5ccfb 100644
--- a/arch/mips/Makefile
+++ b/arch/mips/Makefile
@@ -170,7 +170,7 @@ cflags-$(CONFIG_CPU_NEVADA)	+= $(call cc-option,-march=rm5200,-march=mips4) \
 			-Wa,--trap
 cflags-$(CONFIG_CPU_RM7000)	+= $(call cc-option,-march=rm7000,-march=mips4) \
 			-Wa,--trap
-cflags-$(CONFIG_CPU_SB1)	+= $(call cc-option,-march=sb1,-march=mips64r1) \
+cflags-$(CONFIG_CPU_SB1)	+= $(call cc-option,-march=sb1,-march=mips64) \
 			-Wa,--trap
 cflags-$(CONFIG_CPU_SB1)	+= $(call cc-option,-mno-mdmx)
 cflags-$(CONFIG_CPU_SB1)	+= $(call cc-option,-mno-mips3d)

---
base-commit: 3fe121b622825ff8cc995a1e6b026181c48188db
change-id: 20240714-fix-flags-9f8ee5d7c033

Best regards,
-- 
Jiaxun Yang <jiaxun.yang@...goat.com>