riscv: use 16KB kernel stack on 64-bit
commit0cac21b02b
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 <schwab@suse.de> Reviewed-by: Anup Patel <anup@brainfault.org> [Palmer: mention irqstack in the commit text] Fixes:7db91e57a0
("RISC-V: Task implementation") Cc: stable@vger.kernel.org Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -12,7 +12,11 @@
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#include <linux/const.h>
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/* thread information allocation */
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#ifdef CONFIG_64BIT
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#define THREAD_SIZE_ORDER (2)
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#else
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#define THREAD_SIZE_ORDER (1)
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#endif
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#define THREAD_SIZE (PAGE_SIZE << THREAD_SIZE_ORDER)
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#ifndef __ASSEMBLY__
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