Re: [PATCH] target/xtensa: enable all coprocessors for linux-user

2020-10-26 Thread Laurent Vivier
Le 29/08/2020 à 12:47, Max Filippov a écrit : > Linux userspace always sees coprocessors as enabled. CPENABLE register > and coprocessor exceptions are used internally by the kernel to manage > lazy coprocessor context switch. None of it is needed for linux-user. > Always enable all coprocessors fo

Re: [PATCH] target/xtensa: enable all coprocessors for linux-user

2020-08-29 Thread Richard Henderson
On 8/29/20 3:47 AM, Max Filippov wrote: > Linux userspace always sees coprocessors as enabled. CPENABLE register > and coprocessor exceptions are used internally by the kernel to manage > lazy coprocessor context switch. None of it is needed for linux-user. > Always enable all coprocessors for user

[PATCH] target/xtensa: enable all coprocessors for linux-user

2020-08-29 Thread Max Filippov
Linux userspace always sees coprocessors as enabled. CPENABLE register and coprocessor exceptions are used internally by the kernel to manage lazy coprocessor context switch. None of it is needed for linux-user. Always enable all coprocessors for user emulation. Signed-off-by: Max Filippov --- t