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Re: [PATCH] [8/45] x86_64: Use string instruction memcpy on AMD Fam11h

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From: Jan Engelhardt
Subject: Re: [PATCH] [8/45] x86_64: Use string instruction memcpy on AMD Fam11h
Date: Saturday, September 22, 2007 - 2:29 am

On Sep 21 2007 22:44, Andi Kleen wrote:

Perhaps it can be assumed that all future CPU versions have this and
	if (c->x86 >= 0x10)
could be used?

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[PATCH] [0/45] x86 2.6.24 patches review I, Andi Kleen, (Fri Sep 21, 1:44 pm)
[PATCH] [1/45] x86: misc. constifications, Andi Kleen, (Fri Sep 21, 1:44 pm)
[PATCH] [2/45] x86: constify stacktrace_ops, Andi Kleen, (Fri Sep 21, 1:44 pm)
[PATCH] [3/45] x86: Separate checking of unsynchronized an ..., Andi Kleen, (Fri Sep 21, 1:44 pm)
[PATCH] [4/45] i386: Rewrite sched_clock, Andi Kleen, (Fri Sep 21, 1:44 pm)
[PATCH] [5/45] x86_64: Use new shared sched_clock in x86-6 ..., Andi Kleen, (Fri Sep 21, 1:44 pm)
[PATCH] [6/45] x86: Unify i386 and x86-64 early quirks, Andi Kleen, (Fri Sep 21, 1:44 pm)
[PATCH] [7/45] x86_64: Replace nvidia timer override quirk ..., Andi Kleen, (Fri Sep 21, 1:44 pm)
[PATCH] [8/45] x86_64: Use string instruction memcpy on AM ..., Andi Kleen, (Fri Sep 21, 1:44 pm)
[PATCH] [9/45] i386: Clean up duplicate includes in arch/i ..., Andi Kleen, (Fri Sep 21, 1:44 pm)
[PATCH] [10/45] x86_64: x86_64 Sanitize user specified e82 ..., Andi Kleen, (Fri Sep 21, 1:44 pm)
[PATCH] [11/45] x86_64: Remove rogue default m in drivers/ ..., Andi Kleen, (Fri Sep 21, 1:44 pm)
[PATCH] [12/45] i386: Fix arch/i386/kernel/nmi.c - 'unknow ..., Andi Kleen, (Fri Sep 21, 1:44 pm)
[PATCH] [13/45] x86_64: Increase VDSO_TEXT_OFFSET for anci ..., Andi Kleen, (Fri Sep 21, 1:44 pm)
[PATCH] [14/45] x86: Create clflush() inline, remove hardc ..., Andi Kleen, (Fri Sep 21, 1:44 pm)
[PATCH] [15/45] i386: i386 add AMD64 Barcelona PMU MSR def ..., Andi Kleen, (Fri Sep 21, 1:44 pm)
[PATCH] [16/45] i386: do not BUG_ON() when MSR is unknown, Andi Kleen, (Fri Sep 21, 1:44 pm)
[PATCH] [17/45] i386: make Oprofile call shutdown() only o ..., Andi Kleen, (Fri Sep 21, 1:44 pm)
[PATCH] [18/45] x86_64: 0 -> NULL, for arch/x86_64, Andi Kleen, (Fri Sep 21, 1:44 pm)
[PATCH] [19/45] x86_64: Always accumulate compiler options ..., Andi Kleen, (Fri Sep 21, 1:45 pm)
[PATCH] [20/45] x86_64: Use 8 byte stack alignment when po ..., Andi Kleen, (Fri Sep 21, 1:45 pm)
[PATCH] [21/45] x86_64: Some cleanups for pci gart code, Andi Kleen, (Fri Sep 21, 1:45 pm)
[PATCH] [22/45] x86_64: Enable iommu_merge by default, Andi Kleen, (Fri Sep 21, 1:45 pm)
[PATCH] [23/45] i386: Make callgraph use dump_trace() on i ..., Andi Kleen, (Fri Sep 21, 1:45 pm)
[PATCH] [24/45] x86: Introduce frame_pointer() and stack_p ..., Andi Kleen, (Fri Sep 21, 1:45 pm)
[PATCH] [25/45] x86_64: remove sync_Arb_IDs, Andi Kleen, (Fri Sep 21, 1:45 pm)
[PATCH] [26/45] x86_64: clear IO_APIC before enabing apic ..., Andi Kleen, (Fri Sep 21, 1:45 pm)
[PATCH] [27/45] x86_64: convert mm_context_t semaphore to ..., Andi Kleen, (Fri Sep 21, 1:45 pm)
[PATCH] [28/45] x86_64: clean up apicid_to_node declaration, Andi Kleen, (Fri Sep 21, 1:45 pm)
[PATCH] [29/45] i386: Consolidate show_regs and show_regis ..., Andi Kleen, (Fri Sep 21, 1:45 pm)
[PATCH] [30/45] i386: Remove local CPU logic in MTRR call ..., Andi Kleen, (Fri Sep 21, 1:45 pm)
[PATCH] [31/45] i386: make struct apic_probe static, Andi Kleen, (Fri Sep 21, 1:45 pm)
[PATCH] [32/45] x86_64: hide cond_syscall behind __KERNEL__, Andi Kleen, (Fri Sep 21, 1:45 pm)
[PATCH] [33/45] i386: es7000 minor cleanups, Andi Kleen, (Fri Sep 21, 1:45 pm)
[PATCH] [34/45] i386: no need to make enable_cpu_hotplug a ..., Andi Kleen, (Fri Sep 21, 1:45 pm)
[PATCH] [35/45] i386: make some variables static, Andi Kleen, (Fri Sep 21, 1:45 pm)
[PATCH] [36/45] x86_64: kmalloc + memset conversion to kzalloc, Andi Kleen, (Fri Sep 21, 1:45 pm)
[PATCH] [37/45] i386: remove -maccumulate-outgoing-args, Andi Kleen, (Fri Sep 21, 1:45 pm)
[PATCH] [38/45] i386: setup_trampoline() must be __cpuinit, Andi Kleen, (Fri Sep 21, 1:45 pm)
[PATCH] [39/45] x86_64: block irq balancing for timer, Andi Kleen, (Fri Sep 21, 1:45 pm)
[PATCH] [40/45] i386: deactivate the test for the dead CON ..., Andi Kleen, (Fri Sep 21, 1:45 pm)
[PATCH] [41/45] i386: remove unnecessary code, Andi Kleen, (Fri Sep 21, 1:45 pm)
[PATCH] [42/45] x86_64: use descriptor's functions instead ..., Andi Kleen, (Fri Sep 21, 1:45 pm)
[PATCH] [43/45] i386: Clean up duplicate includes in arch/ ..., Andi Kleen, (Fri Sep 21, 1:45 pm)
[PATCH] [44/45] i386: simplify smp_call_function_single() ..., Andi Kleen, (Fri Sep 21, 1:45 pm)
[PATCH] [45/45] i386: simplify smp_call_function_single() ..., Andi Kleen, (Fri Sep 21, 1:45 pm)
Re: [PATCH] [12/45] i386: Fix arch/i386/kernel/nmi.c - 'un ..., Dave Jones, (Fri Sep 21, 2:08 pm)
Re: [PATCH] [20/45] x86_64: Use 8 byte stack alignment whe ..., Dave Jones, (Fri Sep 21, 2:13 pm)
Re: [PATCH] [20/45] x86_64: Use 8 byte stack alignment whe ..., Jakub Jelinek, (Fri Sep 21, 2:19 pm)
Re: [PATCH] [20/45] x86_64: Use 8 byte stack alignment whe ..., Andi Kleen, (Fri Sep 21, 3:34 pm)
Re: [PATCH] [20/45] x86_64: Use 8 byte stack alignment whe ..., Dave Jones, (Fri Sep 21, 3:52 pm)
Re: [PATCH] [11/45] x86_64: Remove rogue default m in driv ..., Len Brown, (Fri Sep 21, 8:15 pm)
Re: [PATCH] [24/45] x86: Introduce frame_pointer() and sta ..., Christoph Hellwig, (Sat Sep 22, 2:26 am)
Re: [PATCH] [8/45] x86_64: Use string instruction memcpy o ..., Jan Engelhardt, (Sat Sep 22, 2:29 am)
Re: [PATCH] [32/45] x86_64: hide cond_syscall behind __KER ..., Christoph Hellwig, (Sat Sep 22, 2:30 am)
Re: [PATCH] [20/45] x86_64: Use 8 byte stack alignment whe ..., Andi Kleen, (Sun Sep 30, 3:07 pm)
Re: [PATCH] [24/45] x86: Introduce frame_pointer() and sta ..., Andi Kleen, (Mon Oct 1, 9:48 am)
Re: [PATCH] [13/45] x86_64: Increase VDSO_TEXT_OFFSET for ..., CaT, (Tue Nov 13, 5:21 pm)
Re: [PATCH] [13/45] x86_64: Increase VDSO_TEXT_OFFSET for ..., Andi Kleen, (Tue Nov 13, 5:25 pm)