From: Xiongfeng Wang wangxiongfeng2@huawei.com

hulk inclusion category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I7WGZU CVE: NA

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One of the ILP32 patchset rename 'compat_user_mode' and 'compat_thumb_mode' to 'a32_user_mode' and 'a32_user_mode'. But these two macros are used in some opensource userspace application. To keep compatibility, we redefine these two macros.

Fixes: 884eaf44006d ("arm64: rename functions that reference compat term") Signed-off-by: Xiongfeng Wang wangxiongfeng2@huawei.com Reviewed-by: Hanjun Guo guohanjun@huawei.com Signed-off-by: Yang Yingliang yangyingliang@huawei.com Reviewed-by: liwei liwei391@huawei.com Signed-off-by: Zheng Zengkai zhengzengkai@huawei.com Signed-off-by: Chen Jiahao chenjiahao16@huawei.com --- arch/arm64/include/asm/ptrace.h | 4 ++++ 1 file changed, 4 insertions(+)

diff --git a/arch/arm64/include/asm/ptrace.h b/arch/arm64/include/asm/ptrace.h index 992b04efe7f8..9cb0fd362ac4 100644 --- a/arch/arm64/include/asm/ptrace.h +++ b/arch/arm64/include/asm/ptrace.h @@ -224,6 +224,8 @@ static inline void forget_syscall(struct pt_regs *regs) #define a32_thumb_mode(regs) (0) #endif

+#define compat_thumb_mode(regs) a32_thumb_mode(regs) + #define user_mode(regs) \ (((regs)->pstate & PSR_MODE_MASK) == PSR_MODE_EL0t)

@@ -231,6 +233,8 @@ static inline void forget_syscall(struct pt_regs *regs) (((regs)->pstate & (PSR_MODE32_BIT | PSR_MODE_MASK)) == \ (PSR_MODE32_BIT | PSR_MODE_EL0t))

+#define compat_user_mode(regs) a32_user_mode(regs) + #define processor_mode(regs) \ ((regs)->pstate & PSR_MODE_MASK)