Re: [PATCH 1/6] {set,clear,test}_bit() related cleanup
From: Pavel Machek <hidden>
Date: 2006-01-26 16:15:13
Also in:
linux-mips, lkml, sparclinux
Hi!
While working on these patch set, I found several possible cleanup on x86-64 and ia64.
It is probably not your fault, but...
quoted hunk ↗ jump to hunk
Index: 2.6-git/include/asm-x86_64/mmu_context.h ===================================================================--- 2.6-git.orig/include/asm-x86_64/mmu_context.h 2006-01-25 19:07:15.000000000 +0900 +++ 2.6-git/include/asm-x86_64/mmu_context.h 2006-01-25 19:13:59.000000000 +0900@@ -34,12 +34,12 @@ unsigned cpu = smp_processor_id(); if (likely(prev != next)) { /* stop flush ipis for the previous mm */ - clear_bit(cpu, &prev->cpu_vm_mask); + cpu_clear(cpu, prev->cpu_vm_mask); #ifdef CONFIG_SMP write_pda(mmu_state, TLBSTATE_OK); write_pda(active_mm, next); #endif - set_bit(cpu, &next->cpu_vm_mask); + cpu_set(cpu, next->cpu_vm_mask); load_cr3(next->pgd); if (unlikely(next->context.ldt != prev->context.ldt))
cpu_set sounds *very* ambiguous. We have thing called cpusets, for example. I'd not guess that is set_bit in cpu endianity (is it?). Pavel -- Thanks, Sharp!