From: Andreas Schwab <[email protected]> commit 0cac21b02ba5f3095fd2dcc77c26a25a0b2432ed upstream.
With the current 8KB stack size there are frequent overflows in a 64-bit configuration. We may split IRQ stacks off in the future, but this fixes a number of issues right now. Signed-off-by: Andreas Schwab <[email protected]> Reviewed-by: Anup Patel <[email protected]> [Palmer: mention irqstack in the commit text] Fixes: 7db91e57a0ac ("RISC-V: Task implementation") Cc: [email protected] Signed-off-by: Palmer Dabbelt <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> --- arch/riscv/include/asm/thread_info.h | 4 ++++ 1 file changed, 4 insertions(+) --- a/arch/riscv/include/asm/thread_info.h +++ b/arch/riscv/include/asm/thread_info.h @@ -12,7 +12,11 @@ #include <linux/const.h> /* thread information allocation */ +#ifdef CONFIG_64BIT +#define THREAD_SIZE_ORDER (2) +#else #define THREAD_SIZE_ORDER (1) +#endif #define THREAD_SIZE (PAGE_SIZE << THREAD_SIZE_ORDER) #ifndef __ASSEMBLY__
