diff options
Diffstat (limited to 'target/linux/bmips/patches-5.10/040-v5.13-mips-smp-bmips-fix-CPU-mappings.patch')
| -rw-r--r-- | target/linux/bmips/patches-5.10/040-v5.13-mips-smp-bmips-fix-CPU-mappings.patch | 60 |
1 files changed, 0 insertions, 60 deletions
diff --git a/target/linux/bmips/patches-5.10/040-v5.13-mips-smp-bmips-fix-CPU-mappings.patch b/target/linux/bmips/patches-5.10/040-v5.13-mips-smp-bmips-fix-CPU-mappings.patch deleted file mode 100644 index 6ae4330439..0000000000 --- a/target/linux/bmips/patches-5.10/040-v5.13-mips-smp-bmips-fix-CPU-mappings.patch +++ /dev/null @@ -1,60 +0,0 @@ -From c0f41a0dac1f3db6c40aabc0f3ac8868709ba6a6 Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= <noltari@gmail.com> -Date: Wed, 24 Feb 2021 08:33:36 +0100 -Subject: [PATCH] mips: smp-bmips: fix CPU mappings -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -When booting bmips with SMP enabled on a BCM6358 running on CPU #1 instead of -CPU #0, the current CPU mapping code produces the following: -- smp_processor_id(): 0 -- cpu_logical_map(0): 1 -- cpu_number_map(0): 1 - -This is because SMP isn't supported on BCM6358 since it has a shared TLB, so -it is disabled and max_cpus is decreased from 2 to 1. - -Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com> -Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> -Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> ---- - arch/mips/kernel/smp-bmips.c | 27 +++++++++++++++++---------- - 1 file changed, 17 insertions(+), 10 deletions(-) - ---- a/arch/mips/kernel/smp-bmips.c -+++ b/arch/mips/kernel/smp-bmips.c -@@ -134,17 +134,24 @@ static void __init bmips_smp_setup(void) - if (!board_ebase_setup) - board_ebase_setup = &bmips_ebase_setup; - -- __cpu_number_map[boot_cpu] = 0; -- __cpu_logical_map[0] = boot_cpu; -+ if (max_cpus > 1) { -+ __cpu_number_map[boot_cpu] = 0; -+ __cpu_logical_map[0] = boot_cpu; - -- for (i = 0; i < max_cpus; i++) { -- if (i != boot_cpu) { -- __cpu_number_map[i] = cpu; -- __cpu_logical_map[cpu] = i; -- cpu++; -+ for (i = 0; i < max_cpus; i++) { -+ if (i != boot_cpu) { -+ __cpu_number_map[i] = cpu; -+ __cpu_logical_map[cpu] = i; -+ cpu++; -+ } -+ set_cpu_possible(i, 1); -+ set_cpu_present(i, 1); - } -- set_cpu_possible(i, 1); -- set_cpu_present(i, 1); -+ } else { -+ __cpu_number_map[0] = boot_cpu; -+ __cpu_logical_map[0] = 0; -+ set_cpu_possible(0, 1); -+ set_cpu_present(0, 1); - } - } - |