From mboxrd@z Thu Jan 1 00:00:00 1970 From: linux@arm.linux.org.uk (Russell King - ARM Linux) Date: Wed, 2 Sep 2009 14:24:23 +0100 Subject: [PATCH 2/2] ARM: copy_page.S: take into account the size of the cache line In-Reply-To: <1251907913-16261-2-git-send-email-kirill@shutemov.name> References: <1251907913-16261-1-git-send-email-kirill@shutemov.name> <1251907913-16261-2-git-send-email-kirill@shutemov.name> Message-ID: <20090902132423.GA12595@n2100.arm.linux.org.uk> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Wed, Sep 02, 2009 at 07:11:53PM +0300, Kirill A. Shutemov wrote: > ENTRY(copy_page) > stmfd sp!, {r4, lr} @ 2 > PLD( pld [r1, #0] ) > - PLD( pld [r1, #32] ) > + PLD( pld [r1, #L1_CACHE_BYTES] ) > mov r2, #COPY_COUNT @ 1 > ldmia r1!, {r3, r4, ip, lr} @ 4+1 > -1: PLD( pld [r1, #64] ) > - PLD( pld [r1, #96] ) > -2: stmia r0!, {r3, r4, ip, lr} @ 4 > - ldmia r1!, {r3, r4, ip, lr} @ 4+1 > - stmia r0!, {r3, r4, ip, lr} @ 4 > - ldmia r1!, {r3, r4, ip, lr} @ 4+1 > +1: PLD( pld [r1, #(2*L1_CACHE_BYTES)]) > + PLD( pld [r1, #(3*L1_CACHE_BYTES)]) I really hate unnecessary parens - please remove them, and put a space each side of the '*'. > +2: > + .rept (2 * (L1_CACHE_BYTES) / 16 - 1) Parens are not required around L1_CACHE_BYTES either. Other than that, patch is fine.