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Message-ID: <20260105105514.76021-5-dongtai.guo@linux.dev> Date: Mon, 5 Jan 2026 18:55:14 +0800 From: George Guo <dongtai.guo@...ux.dev> To: chenhuacai@...nel.org Cc: dongtai.guo@...ux.dev, hengqi.chen@...il.com, kernel@...0n.name, lianyangyang@...inos.cn, linux-kernel@...r.kernel.org, loongarch@...ts.linux.dev, r@....cc, xry111@...111.site, George Guo <guodongtai@...inos.cn> Subject: [PATCH v9 loongarch-next 4/4] LoongArch: Enable 128-bit atomics cmpxchg support From: George Guo <guodongtai@...inos.cn> Add select HAVE_CMPXCHG_DOUBLE and select HAVE_ALIGNED_STRUCT_PAGE in Kconfig to enable 128-bit atomic cmpxchg support on LoongArch. Reviewed-by: Hengqi Chen <hengqi.chen@...il.com> Tested-by: Hengqi Chen <hengqi.chen@...il.com> Signed-off-by: George Guo <guodongtai@...inos.cn> --- arch/loongarch/Kconfig | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/loongarch/Kconfig b/arch/loongarch/Kconfig index 730f34214519..f9845ebec1a4 100644 --- a/arch/loongarch/Kconfig +++ b/arch/loongarch/Kconfig @@ -114,6 +114,7 @@ config LOONGARCH select GENERIC_TIME_VSYSCALL select GPIOLIB select HAS_IOPORT + select HAVE_ALIGNED_STRUCT_PAGE select HAVE_ARCH_AUDITSYSCALL select HAVE_ARCH_BITREVERSE select HAVE_ARCH_JUMP_LABEL @@ -130,6 +131,7 @@ config LOONGARCH select HAVE_ARCH_TRANSPARENT_HUGEPAGE select HAVE_ARCH_USERFAULTFD_MINOR if USERFAULTFD select HAVE_ASM_MODVERSIONS + select HAVE_CMPXCHG_DOUBLE select HAVE_CONTEXT_TRACKING_USER select HAVE_C_RECORDMCOUNT select HAVE_DEBUG_KMEMLEAK -- 2.43.0
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