David Jander 67b9d64139 spi: Fix per-cpu stats access on 32 bit systems ... On 32 bit systems, the following kernel BUG is hit: BUG: using smp_processor_id() in preemptible [00000000] code: swapper/0/1 caller is debug_smp_processor_id+0x18/0x24 CPU: 1 PID: 1 Comm: swapper/0 Not tainted 5.19.0-rc1-00001-g6ae0aec8a366 #181 Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) Backtrace: dump_backtrace from show_stack+0x20/0x24 r7:81024ffd r6:00000000 r5:81024ffd r4:60000013 show_stack from dump_stack_lvl+0x60/0x78 dump_stack_lvl from dump_stack+0x14/0x1c r7:81024ffd r6:80f652de r5:80bec180 r4:819a2500 dump_stack from check_preemption_disabled+0xc8/0xf0 check_preemption_disabled from debug_smp_processor_id+0x18/0x24 r8:8119b7e0 r7:81205534 r6:819f5c00 r5:819f4c00 r4:c083d724 debug_smp_processor_id from __spi_sync+0x78/0x220 __spi_sync from spi_sync+0x34/0x4c r10:bb7bf4e0 r9:c083d724 r8:00000007 r7:81a068c0 r6:822a83c0 r5:c083d724 r4:819f4c00 spi_sync from spi_mem_exec_op+0x338/0x370 r5:000000b4 r4:c083d910 spi_mem_exec_op from spi_nor_read_id+0x98/0xdc r10:bb7bf4e0 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:82358040 r4:819f7c40 spi_nor_read_id from spi_nor_detect+0x38/0x114 r7:82358040 r6:00000000 r5:819f7c40 r4:819f7c40 spi_nor_detect from spi_nor_scan+0x11c/0xbec r10:bb7bf4e0 r9:00000000 r8:00000000 r7:c083da4c r6:00000000 r5:00010101 r4:819f7c40 spi_nor_scan from spi_nor_probe+0x10c/0x2d0 r10:bb7bf4e0 r9:bb7bf4d0 r8:00000000 r7:819f4c00 r6:00000000 r5:00000000 r4:819f7c40 per-cpu access needs to be guarded against preemption. Fixes: 6598b91b5a ("spi: spi.c: Convert statistics to per-cpu u64_stats_t") Reported-by: Marc Kleine-Budde <mkl@pengutronix.de> Signed-off-by: David Jander <david@protonic.nl> Tested-by: Nícolas F. R. A. Prado <nfraprado@collabora.com> Link: https://lore.kernel.org/r/20220609121334.2984808-1-david@protonic.nl Signed-off-by: Mark Brown <broonie@kernel.org>		2022-06-10 13:33:17 +01:00
..
ad7877.h
ads7846.h	Input: ads7846 - remove custom filter handling functions from pdata	2021-09-09 21:30:01 -07:00
altera.h	spi: altera: separate core code from platform code	2021-04-20 17:26:40 +01:00
at73c213.h
at86rf230.h
cc2520.h
corgi_lcd.h
ds1305.h
eeprom.h	eeprom: at25: allow page sizes greater than 16 bit	2020-08-28 12:08:08 +02:00
flash.h
libertas_spi.h
max7301.h	gpio: max730x: Make __max730x_remove() return void	2021-10-13 19:52:26 +02:00
mc33880.h
mmc_spi.h	mmc: mmc_spi: Make of_mmc_spi.c resource provider agnostic	2021-04-23 09:29:49 +02:00
mxs-spi.h
pxa2xx_spi.h	spi: pxa2xx_spi: Convert to use GPIO descriptors	2022-01-31 15:17:27 +00:00
rspi.h
s3c24xx-fiq.h	ARM: s3c24xx: move spi fiq handler into platform	2020-08-19 21:45:38 +02:00
s3c24xx.h	spi: s3c24xx: Convert to GPIO descriptors	2022-01-24 13:37:34 +00:00
sh_hspi.h
sh_msiof.h
spi-fsl-dspi.h
spi-mem.h	spi: spi-mem: Add an ecc parameter to the spi_mem_op structure	2022-02-10 09:32:30 +01:00
spi.h	spi: Fix per-cpu stats access on 32 bit systems	2022-06-10 13:33:17 +01:00
spi_bitbang.h
spi_gpio.h
spi_oc_tiny.h
tdo24m.h
tle62x0.h
xilinx_spi.h