diff options
| author | Ivan T. Ivanov <iivanov@suse.de> | 2021-11-16 10:46:16 +0200 |
|---|---|---|
| committer | Heiko Stuebner <heiko@sntech.de> | 2021-11-21 18:24:31 +0100 |
| commit | 423e85e97aaf69e5198bbec6811e3825c8b5019a (patch) | |
| tree | 3c527a7ccd02909bff8aeba57902ddfc99d95bdd /arch | |
| parent | fa55b7dcdc43c1aa1ba12bca9d2dd4318c2a0dbf (diff) | |
ARM: rockchip: Use memcpy_toio instead of memcpy on smp bring-up
This fixes a potential kernel panic on memcpy when FORTIFY_SOURCE
is enabled. Because memory is iomem use appropriate function for
accessing it.
Signed-off-by: Ivan T. Ivanov <iivanov@suse.de>
Link: https://lore.kernel.org/r/20211116084616.24811-1-iivanov@suse.de
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-rockchip/platsmp.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm/mach-rockchip/platsmp.c b/arch/arm/mach-rockchip/platsmp.c index d60856898d97..5ec58d004b7d 100644 --- a/arch/arm/mach-rockchip/platsmp.c +++ b/arch/arm/mach-rockchip/platsmp.c @@ -189,7 +189,7 @@ static int __init rockchip_smp_prepare_sram(struct device_node *node) rockchip_boot_fn = __pa_symbol(secondary_startup); /* copy the trampoline to sram, that runs during startup of the core */ - memcpy(sram_base_addr, &rockchip_secondary_trampoline, trampoline_sz); + memcpy_toio(sram_base_addr, &rockchip_secondary_trampoline, trampoline_sz); flush_cache_all(); outer_clean_range(0, trampoline_sz); |