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From:   Jiaxun Yang <jiaxun.yang@flygoat.com>
To:     linux-mips@vger.kernel.org
Cc:     Jiaxun Yang <jiaxun.yang@flygoat.com>,
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Message-ID: <20200408113505.2528103-2-jiaxun.yang@flygoat.com>
Subject: [PATCH 01/12] MIPS: setup: Drop prefill_possible_map
Date:   Wed,  8 Apr 2020 19:34:11 +0800
In-Reply-To: <20200408113505.2528103-1-jiaxun.yang@flygoat.com>
References: <20200408113505.2528103-1-jiaxun.yang@flygoat.com>
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Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

All the plat_smp_setup are setting up possible cpus in their
platform code. So prefill_possible_map is actually overwriting
platform's setup, which seems unreasonable.

Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
---
 arch/mips/kernel/setup.c | 20 --------------------
 1 file changed, 20 deletions(-)

diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c
index 10bef8f78e7c..8a418783a6bb 100644
--- a/arch/mips/kernel/setup.c
+++ b/arch/mips/kernel/setup.c
@@ -761,25 +761,6 @@ static void __init resource_init(void)
 =09}
 }
=20
-#ifdef CONFIG_SMP
-static void __init prefill_possible_map(void)
-{
-=09int i, possible =3D num_possible_cpus();
-
-=09if (possible > nr_cpu_ids)
-=09=09possible =3D nr_cpu_ids;
-
-=09for (i =3D 0; i < possible; i++)
-=09=09set_cpu_possible(i, true);
-=09for (; i < NR_CPUS; i++)
-=09=09set_cpu_possible(i, false);
-
-=09nr_cpu_ids =3D possible;
-}
-#else
-static inline void prefill_possible_map(void) {}
-#endif
-
 void __init setup_arch(char **cmdline_p)
 {
 =09cpu_probe();
@@ -804,7 +785,6 @@ void __init setup_arch(char **cmdline_p)
=20
 =09resource_init();
 =09plat_smp_setup();
-=09prefill_possible_map();
=20
 =09cpu_cache_init();
 =09paging_init();
--=20
2.26.0.rc2