6.6-stable review patch. If anyone has any objections, please let me know.
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From: Nam Cao namcaov@gmail.com
commit 87615e95f6f9ccd36d4a3905a2d87f91967ea9d2 upstream.
The interrupt entries are expected to be in the .irqentry.text section. For example, for kprobes to work properly, exception code cannot be probed; this is ensured by blacklisting addresses in the .irqentry.text section.
Fixes: 7db91e57a0ac ("RISC-V: Task implementation") Signed-off-by: Nam Cao namcaov@gmail.com Link: https://lore.kernel.org/r/20230821145708.21270-1-namcaov@gmail.com Cc: stable@vger.kernel.org Signed-off-by: Palmer Dabbelt palmer@rivosinc.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- arch/riscv/kernel/entry.S | 2 ++ 1 file changed, 2 insertions(+)
--- a/arch/riscv/kernel/entry.S +++ b/arch/riscv/kernel/entry.S @@ -16,6 +16,8 @@ #include <asm/errata_list.h> #include <linux/sizes.h>
+ .section .irqentry.text, "ax" + SYM_CODE_START(handle_exception) /* * If coming from userspace, preserve the user thread pointer and load