[PATCH 2/2] ARM: copy_page.S: take into account the size of the cache line
Russell King - ARM Linux
linux at arm.linux.org.uk
Wed Sep 2 09:24:23 EDT 2009
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.
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