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由 Guo Ren 提交于
Adds initial skeletal COMPAT Kbuild (Running 32bit U-mode on 64bit S-mode) support. - Setup kconfig & dummy functions for compiling. - Implement compat_start_thread by the way. Signed-off-by: NGuo Ren <guoren@linux.alibaba.com> Signed-off-by: NGuo Ren <guoren@kernel.org> Reviewed-by: NArnd Bergmann <arnd@arndb.de> Tested-by: NHeiko Stuebner <heiko@sntech.de> Link: https://lore.kernel.org/r/20220405071314.3225832-21-guoren@kernel.orgSigned-off-by: NPalmer Dabbelt <palmer@rivosinc.com>
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