On Sat, 2020-05-16 at 07:19 -0400, Valdis Klētnieks wrote: > Am seeing a build error in next-0514. -0420 built OK. > building a 'make allmodconfig' on a RPi4 in 32-bit mode. > > MODPOST 7575 modules > ERROR: modpost: "__aeabi_uldivmod" [drivers/md/dm-zoned.ko] > undefined! > > objdump and 'make drivers/md/dm-zoned-target.s' tells > me that the problem is in function dmz_fixup_devices(), near here: > > @ drivers/md/dm-zoned-target.c:806: reg_dev->nr_zones = > DIV_ROUND_UP(reg_dev->capacity, > ldr r0, [r6, #56] @ reg_dev_166->capacity, reg_dev_166- > >capacity > adds r1, r3, r1 @ tmp316, _227, reg_dev_166->capacity > adc r0, r2, r0 @ tmp315, _227, reg_dev_166->capacity > subs r1, r1, #1 @, tmp316, > @ drivers/md/dm-zoned-target.c:805: reg_dev- > >zone_nr_sectors = zoned_dev->zone_nr_sectors; > strd r2, [r6, #80] @, reg_dev, > @ drivers/md/dm-zoned-target.c:806: reg_dev->nr_zones = > DIV_ROUND_UP(reg_dev->capacity, > sbc r0, r0, #0 @, tmp315, > bl __aeabi_uldivmod @ > @ drivers/md/dm-zoned-target.c:806: reg_dev->nr_zones = > DIV_ROUND_UP(reg_dev->capacity, > str r1, [r6, #64] @ tmp306, reg_dev_166->nr_zones > > git blame points at this commit: > > commit 70978208ec91d798066f4c291bc98ff914bea222 > Author: Hannes Reinecke <hare@xxxxxxx> > Date: Mon May 11 10:24:30 2020 +0200 > > dm zoned: metadata version 2 > > Reverting that commit lets the build complete. That's because the DIV_ROUND_UP in the patch should actually be DIV_ROUND_UP_SECTOR_T I think. James
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