From: Nicholas Piggin <npiggin@xxxxxxxxx> Subject: powerpc/xive: remove unnecessary unmap_kernel_range iounmap will remove ptes. Link: https://lkml.kernel.org/r/20210322021806.892164-4-npiggin@xxxxxxxxx Signed-off-by: Nicholas Piggin <npiggin@xxxxxxxxx> Reviewed-by: Christoph Hellwig <hch@xxxxxx> Acked-by: Cédric Le Goater <clg@xxxxxxxx> Cc: Uladzislau Rezki <urezki@xxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- arch/powerpc/sysdev/xive/common.c | 4 ---- 1 file changed, 4 deletions(-) --- a/arch/powerpc/sysdev/xive/common.c~powerpc-xive-remove-unnecessary-unmap_kernel_range +++ a/arch/powerpc/sysdev/xive/common.c @@ -959,16 +959,12 @@ EXPORT_SYMBOL_GPL(is_xive_irq); void xive_cleanup_irq_data(struct xive_irq_data *xd) { if (xd->eoi_mmio) { - unmap_kernel_range((unsigned long)xd->eoi_mmio, - 1u << xd->esb_shift); iounmap(xd->eoi_mmio); if (xd->eoi_mmio == xd->trig_mmio) xd->trig_mmio = NULL; xd->eoi_mmio = NULL; } if (xd->trig_mmio) { - unmap_kernel_range((unsigned long)xd->trig_mmio, - 1u << xd->esb_shift); iounmap(xd->trig_mmio); xd->trig_mmio = NULL; } _
