On Mon, Mar 15, 2021 at 09:53:09PM +0300, Dmitry Osipenko wrote: > 15.03.2021 06:35, Nicolin Chen пишет: > > This patch dumps all active mapping entries from pagetable > > to a debugfs directory named "mappings". > > > > Ataching an example: > > Attaching > > > > > SWGROUP: hc > > ASID: 0 > > reg: 0x250 > > PTB_ASID: 0xe0080004 > > as->pd_dma: 0x80004000 > > { > > [1023] 0xf008000b (1) > > { > > PTE RANGE | ATTR | PHYS | IOVA | SIZE > > [#1023, #1023] | 0x5 | 0x0000000111a8d000 | 0x00000000fffff000 | 0x1000 > > } > > } > > Total PDE count: 1 > > Total PTE count: 1 > > > > Signed-off-by: Nicolin Chen <nicoleotsuka@xxxxxxxxx> > > --- > > Good to me, thanks. > > Tested-by: Dmitry Osipenko <digetx@xxxxxxxxx> > Reviewed-by: Dmitry Osipenko <digetx@xxxxxxxxx> > > > + for (pd_index = 0; pd_index < SMMU_NUM_PDE; pd_index++) { > > + struct page *pt_page; > > + u32 *addr; > > + unsigned int i; > > Unimportant nit: I'd keep lines arranged by length for consistency with > the rest of the code. > > ... > > + group_debug = devm_kcalloc(dev, soc->num_swgroups, sizeof(*group_debug), GFP_KERNEL); > > Another nit: this is a long line, I'd split it into two lines to keep > coding style consistent and to improve readability for those who have a > side-by-side code viewing setup. Sending v5. Will add your Tested-by and Reviewed-by since there'd be no functional changes. Thanks!