From:   Jisheng Zhang <jszhang@kernel.org>
To:     Palmer Dabbelt <palmer@dabbelt.com>,
        Paul Walmsley <paul.walmsley@sifive.com>,
        Albert Ou <aou@eecs.berkeley.edu>,
        Anup Patel <anup@brainfault.org>,
        Atish Patra <atishp@atishpatra.org>,
        Heiko Stuebner <heiko@sntech.de>,
        Andrew Jones <ajones@ventanamicro.com>,
        Conor Dooley <conor.dooley@microchip.com>
Cc:     linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org,
        kvm@vger.kernel.org, kvm-riscv@lists.infradead.org
Subject: [PATCH v5 01/13] riscv: move riscv_noncoherent_supported() out of ZICBOM probe
Date:   Sun, 29 Jan 2023 01:28:44 +0800
Message-Id: <20230128172856.3814-2-jszhang@kernel.org>
In-Reply-To: <20230128172856.3814-1-jszhang@kernel.org>
References: <20230128172856.3814-1-jszhang@kernel.org>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Precedence: bulk

It's a bit weird to call riscv_noncoherent_supported() each time when
insmoding a module. Move the calling out of feature patch func.

Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
---
 arch/riscv/kernel/cpufeature.c | 1 -
 arch/riscv/kernel/setup.c      | 3 +++
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/riscv/kernel/cpufeature.c b/arch/riscv/kernel/cpufeature.c
index dde0e91d7668..62443fd32fa7 100644
--- a/arch/riscv/kernel/cpufeature.c
+++ b/arch/riscv/kernel/cpufeature.c
@@ -298,7 +298,6 @@ static bool __init_or_module cpufeature_probe_zicbom(unsigned int stage)
 	if (!riscv_isa_extension_available(NULL, ZICBOM))
 		return false;
 
-	riscv_noncoherent_supported();
 	return true;
 }
 
diff --git a/arch/riscv/kernel/setup.c b/arch/riscv/kernel/setup.c
index 86acd690d529..376d2827e736 100644
--- a/arch/riscv/kernel/setup.c
+++ b/arch/riscv/kernel/setup.c
@@ -300,6 +300,9 @@ void __init setup_arch(char **cmdline_p)
 	riscv_init_cbom_blocksize();
 	riscv_fill_hwcap();
 	apply_boot_alternatives();
+	if (IS_ENABLED(CONFIG_RISCV_ISA_ZICBOM) &&
+	    riscv_isa_extension_available(NULL, ZICBOM))
+		riscv_noncoherent_supported();
 }
 
 static int __init topology_init(void)
-- 
2.38.1