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arch: arm: userspace: correct inline comment for bad syscalls
We need to correct the inline comment in swap_helper.S, which is suggesting that system call attempts with invalid syscall IDs (i.e. above the limit) do not force the CPU to elevate privileges. This is in fact not true, since the execution flow moves into valid syscall ID handling. In other words, all we do for system calls with invalid ID numbers is to treat them as valid syscalls with the K_SYSCALL_BAD ID value. We fix the inline documentation to reflect the actual execution flow. Signed-off-by: Ioannis Glaropoulos <Ioannis.Glaropoulos@nordicsemi.no>
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