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| author | Thomas Bogendoerfer <tbogendoerfer@suse.de> | 2020-01-09 15:33:51 +0300 |
|---|---|---|
| committer | Paul Burton <paulburton@kernel.org> | 2020-01-10 02:30:07 +0300 |
| commit | d96ee783e33d661a58788eaaf0cd9ae040c79d5a (patch) | |
| tree | d43ad64a19ed0954aa84f38be29e8a8419eb5e5b | |
| parent | d31f9e64898be28ebe9da4b5a0030f2ec4a0912c (diff) | |
| download | linux-d96ee783e33d661a58788eaaf0cd9ae040c79d5a.tar.xz | |
MIPS: SGI-IP27: No need for slice_map
per_cpu_init is called exactly once for every CPU. So there is no
need for protection via slice_map.
Signed-off-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
Signed-off-by: Paul Burton <paulburton@kernel.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: James Hogan <jhogan@kernel.org>
Cc: linux-mips@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
| -rw-r--r-- | arch/mips/include/asm/mach-ip27/mmzone.h | 1 | ||||
| -rw-r--r-- | arch/mips/sgi-ip27/ip27-init.c | 5 |
2 files changed, 0 insertions, 6 deletions
diff --git a/arch/mips/include/asm/mach-ip27/mmzone.h b/arch/mips/include/asm/mach-ip27/mmzone.h index 534a50f79147..08c36e50a860 100644 --- a/arch/mips/include/asm/mach-ip27/mmzone.h +++ b/arch/mips/include/asm/mach-ip27/mmzone.h @@ -13,7 +13,6 @@ struct hub_data { kern_vars_t kern_vars; DECLARE_BITMAP(h_bigwin_used, HUB_NUM_BIG_WINDOW); cpumask_t h_cpus; - unsigned long slice_map; }; struct node_data { diff --git a/arch/mips/sgi-ip27/ip27-init.c b/arch/mips/sgi-ip27/ip27-init.c index 84a78bd1386a..32bcb8d1dd88 100644 --- a/arch/mips/sgi-ip27/ip27-init.c +++ b/arch/mips/sgi-ip27/ip27-init.c @@ -72,12 +72,7 @@ static void per_hub_init(nasid_t nasid) void per_cpu_init(void) { int cpu = smp_processor_id(); - int slice = LOCAL_HUB_L(PI_CPU_NUM); nasid_t nasid = get_nasid(); - struct hub_data *hub = hub_data(nasid); - - if (test_and_set_bit(slice, &hub->slice_map)) - return; clear_c0_status(ST0_IM); |