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From:   Atish Patra <atish.patra@wdc.com>
To:     linux-riscv@lists.infradead.org
Cc:     Atish Patra <atish.patra@wdc.com>,
        Alan Kao <alankao@andestech.com>,
        Albert Ou <aou@eecs.berkeley.edu>,
        Andreas Schwab <schwab@suse.de>,
        Anup Patel <anup@brainfault.org>,
        Daniel Lezcano <daniel.lezcano@linaro.org>,
        Dmitriy Cherkasov <dmitriy@oss-tech.org>,
        Guenter Roeck <linux@roeck-us.net>,
        Jason Cooper <jason@lakedaemon.net>,
        Johan Hovold <johan@kernel.org>, linux-kernel@vger.kernel.org,
        Marc Zyngier <marc.zyngier@arm.com>,
        Palmer Dabbelt <palmer@sifive.com>,
        Paul Walmsley <paul.walmsley@sifive.com>,
        Thomas Gleixner <tglx@linutronix.de>
Subject: [v5 PATCH 3/8] RISC-V: Remove NR_CPUs check during hartid search from DT
Date:   Wed, 13 Feb 2019 12:18:07 -0800
Message-Id: <1550089092-28783-4-git-send-email-atish.patra@wdc.com>
In-Reply-To: <1550089092-28783-1-git-send-email-atish.patra@wdc.com>
References: <1550089092-28783-1-git-send-email-atish.patra@wdc.com>
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In non-smp configuration, hartid can be higher that NR_CPUS.
riscv_of_processor_hartid should not be compared to hartid to NR_CPUS in
that case. Moreover, this function checks all the DT properties of a
hart node. NR_CPUS comparison seems out of place.

Signed-off-by: Atish Patra <atish.patra@wdc.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Anup Patel <anup@brainfault.org>
---
 arch/riscv/kernel/cpu.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/arch/riscv/kernel/cpu.c b/arch/riscv/kernel/cpu.c
index d1d9bfd5..cf2fca12 100644
--- a/arch/riscv/kernel/cpu.c
+++ b/arch/riscv/kernel/cpu.c
@@ -34,10 +34,6 @@ int riscv_of_processor_hartid(struct device_node *node)
 		pr_warn("Found CPU without hart ID\n");
 		return -ENODEV;
 	}
-	if (hart >= NR_CPUS) {
-		pr_info("Found hart ID %d, which is above NR_CPUs.  Disabling this hart\n", hart);
-		return -ENODEV;
-	}
 
 	if (!of_device_is_available(node)) {
 		pr_info("CPU with hartid=%d is not available\n", hart);
-- 
2.7.4