• Peter Zijlstra's avatar
    x86/entry: Move PUSH_AND_CLEAR_REGS() back into error_entry · 2c08b9b3
    Peter Zijlstra authored
    Commit
    
      ee774dac ("x86/entry: Move PUSH_AND_CLEAR_REGS out of error_entry()")
    
    moved PUSH_AND_CLEAR_REGS out of error_entry, into its own function, in
    part to avoid calling error_entry() for XenPV.
    
    However, commit
    
      7c81c0c9 ("x86/entry: Avoid very early RET")
    
    had to change that because the 'ret' was too early and moved it into
    idtentry, bloating the text size, since idtentry is expanded for every
    exception vector.
    
    However, with the advent of xen_error_entry() in commit
    
      d147553b
    
     ("x86/xen: Add UNTRAIN_RET")
    
    it became possible to remove PUSH_AND_CLEAR_REGS from idtentry, back
    into *error_entry().
    Signed-off-by: default avatarPeter Zijlstra (Intel) <peterz@infradead.org>
    Signed-off-by: default avatarBorislav Petkov <bp@suse.de>
    2c08b9b3
entry_64.S 42.6 KB