smp: Remove smp_call_function() and on_each_cpu() return values

The return value is fixed. Remove it and amend the callers.

[ tglx: Fixup arm/bL_switcher and powerpc/rtas ]

Signed-off-by: Nadav Amit <namit@vmware.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: Matt Turner <mattst88@gmail.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Link: https://lkml.kernel.org/r/20190613064813.8102-2-namit@vmware.com

1 files changed, 5 insertions, 14 deletions

diff --git a/arch/alpha/kernel/smp.c b/arch/alpha/kernel/smp.c
index d0dccae53ba9..5f90df30be20 100644
--- a/arch/alpha/kernel/smp.c
+++ b/arch/alpha/kernel/smp.c
@@ -614,8 +614,7 @@ void
 smp_imb(void)
 {
         /* Must wait other processors to flush their icache before continue. */
-        if (on_each_cpu(ipi_imb, NULL, 1))
-                printk(KERN_CRIT "smp_imb: timed out\n");
+        on_each_cpu(ipi_imb, NULL, 1);
 }
 EXPORT_SYMBOL(smp_imb);
 
@@ -630,9 +629,7 @@ flush_tlb_all(void)
 {
         /* Although we don't have any data to pass, we do want to
            synchronize with the other processors.  */
-        if (on_each_cpu(ipi_flush_tlb_all, NULL, 1)) {
-                printk(KERN_CRIT "flush_tlb_all: timed out\n");
-        }
+        on_each_cpu(ipi_flush_tlb_all, NULL, 1);
 }
 
 #define asn_locked() (cpu_data[smp_processor_id()].asn_lock)
@@ -667,9 +664,7 @@ flush_tlb_mm(struct mm_struct *mm)
                 }
         }
 
-        if (smp_call_function(ipi_flush_tlb_mm, mm, 1)) {
-                printk(KERN_CRIT "flush_tlb_mm: timed out\n");
-        }
+        smp_call_function(ipi_flush_tlb_mm, mm, 1);
 
         preempt_enable();
 }
@@ -720,9 +715,7 @@ flush_tlb_page(struct vm_area_struct *vma, unsigned long addr)
         data.mm = mm;
         data.addr = addr;
 
-        if (smp_call_function(ipi_flush_tlb_page, &data, 1)) {
-                printk(KERN_CRIT "flush_tlb_page: timed out\n");
-        }
+        smp_call_function(ipi_flush_tlb_page, &data, 1);
 
         preempt_enable();
 }
@@ -772,9 +765,7 @@ flush_icache_user_range(struct vm_area_struct *vma, struct page *page,
                 }
         }
 
-        if (smp_call_function(ipi_flush_icache_page, mm, 1)) {
-                printk(KERN_CRIT "flush_icache_page: timed out\n");
-        }
+        smp_call_function(ipi_flush_icache_page, mm, 1);
 
         preempt_enable();
 }