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    x86: entry_32.S fix compile warnings - fix work mask bit width · 88200bc2
    Jaswinder Singh Rajput 提交于
    Fix:
    
     arch/x86/kernel/entry_32.S:446: Warning: 00000000080001d1 shortened to 00000000000001d1
     arch/x86/kernel/entry_32.S:457: Warning: 000000000800feff shortened to 000000000000feff
     arch/x86/kernel/entry_32.S:527: Warning: 00000000080001d1 shortened to 00000000000001d1
     arch/x86/kernel/entry_32.S:541: Warning: 000000000800feff shortened to 000000000000feff
     arch/x86/kernel/entry_32.S:676: Warning: 0000000008000091 shortened to 0000000000000091
    
    TIF_SYSCALL_FTRACE is 0x08000000 and until now we checked the
    first 16 bits of the work mask - bit 27 falls outside of that.
    
    Update the entry_32.S code to check the full 32-bit mask.
    
    [ %cx => %ecx fix from Cyrill Gorcunov <gorcunov@gmail.com> ]
    Signed-off-by: NJaswinder Singh Rajput <jaswinderrajput@gmail.com>
    Cc: Frederic Weisbecker <fweisbec@gmail.com>
    Cc: Steven Rostedt <rostedt@goodmis.org>
    Cc: "H. Peter Anvin" <hpa@kernel.org>
    LKML-Reference: <1237012693.18733.3.camel@ht.satnam>
    Signed-off-by: NIngo Molnar <mingo@elte.hu>
    88200bc2
entry_32.S 30.8 KB