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Diffstat (limited to 'target/linux/generic/patches-4.4/091-MIPS-c-r4k-Exclude-sibling-CPUs-in-SMP-calls.patch')
-rw-r--r--target/linux/generic/patches-4.4/091-MIPS-c-r4k-Exclude-sibling-CPUs-in-SMP-calls.patch37
1 files changed, 0 insertions, 37 deletions
diff --git a/target/linux/generic/patches-4.4/091-MIPS-c-r4k-Exclude-sibling-CPUs-in-SMP-calls.patch b/target/linux/generic/patches-4.4/091-MIPS-c-r4k-Exclude-sibling-CPUs-in-SMP-calls.patch
deleted file mode 100644
index 8d5030c84b..0000000000
--- a/target/linux/generic/patches-4.4/091-MIPS-c-r4k-Exclude-sibling-CPUs-in-SMP-calls.patch
+++ /dev/null
@@ -1,37 +0,0 @@
-From: James Hogan <james.hogan@imgtec.com>
-Date: Thu, 3 Mar 2016 21:30:42 +0000
-Subject: [PATCH] MIPS: c-r4k: Exclude sibling CPUs in SMP calls
-
-When performing SMP calls to foreign cores, exclude sibling CPUs from
-the provided map, as we already handle the local core on the current
-CPU. This prevents an IPI call from for example core 0, VPE 1 to VPE 0
-on the same core.
-
-Signed-off-by: James Hogan <james.hogan@imgtec.com>
-Cc: Ralf Baechle <ralf@linux-mips.org>
-Cc: Paul Burton <paul.burton@imgtec.com>
-Cc: linux-mips@linux-mips.org
----
-
---- a/arch/mips/mm/c-r4k.c
-+++ b/arch/mips/mm/c-r4k.c
-@@ -96,8 +96,17 @@ static inline void r4k_on_each_cpu(unsig
- void (*func) (void *info), void *info)
- {
- preempt_disable();
-- if (r4k_op_needs_ipi(type))
-- smp_call_function_many(&cpu_foreign_map, func, info, 1);
-+ /* cpu_foreign_map and cpu_sibling_map[] undeclared when !CONFIG_SMP */
-+#ifdef CONFIG_SMP
-+ if (r4k_op_needs_ipi(type)) {
-+ struct cpumask mask;
-+
-+ /* exclude sibling CPUs */
-+ cpumask_andnot(&mask, &cpu_foreign_map,
-+ &cpu_sibling_map[smp_processor_id()]);
-+ smp_call_function_many(&mask, func, info, 1);
-+ }
-+#endif
- func(info);
- preempt_enable();
- }