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Date: Mon, 28 Aug 2006 11:22:38 +0200 From: Andi Kleen <ak@...e.de> To: Gerd Hoffmann <kraxel@...e.de> Cc: linux kernel mailing list <linux-kernel@...r.kernel.org> Subject: Re: [patch] fix up smp alternatives on x86-64 On Monday 28 August 2006 11:20, Gerd Hoffmann wrote: > Don't use alternative_smp() in for __raw_spin_lock. gcc > sometimes generates rip-relative addressing, so we can't > simply copy the instruction to another place. > > Replace some leftover "lock;" with LOCK_PREFIX. > > Fillup space with 0x90 (nop) instead of 0x42, so > "objdump -d -j .smp_altinstr_replacement vmlinux" gives more > readable results. I already fixed it myself. ftp://ftp.firstfloor.org/pub/ak/x86_64/quilt/patches/remove-alternative-smp ftp://ftp.firstfloor.org/pub/ak/x86_64/quilt/patches/i386-remove-alternative-smp And all the left over lock prefixes are also gone in that tree. -Andi - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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