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    SubjectRe: [patch 07/24] x86/traps: Prepare for using DEFINE_IDTENTRY
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    On 2/25/20 11:16 PM, Thomas Gleixner wrote:
    > Prepare for using IDTENTRY to define the C exception/trap entry points. It
    > would be possible to glue this into the existing macro maze, but it's
    > simpler and better to read at the end to just make them distinct. Provide
    > a trivial inline helper to read the trap address.
    >
    > Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
    > ---
    > arch/x86/kernel/traps.c | 5 +++++
    > 1 file changed, 5 insertions(+)
    >
    > --- a/arch/x86/kernel/traps.c
    > +++ b/arch/x86/kernel/traps.c
    > @@ -274,6 +274,11 @@ static void do_error_trap(struct pt_regs
    > }
    > }
    >
    > +static inline void __user *error_get_trap_addr(struct pt_regs *regs)
    > +{
    > + return (void __user *)uprobe_get_trap_addr(regs);
    > +}
    > +
    > #define IP ((void __user *)uprobe_get_trap_addr(regs))

    And you will eventually get rid of this IP macro, right?

    Reviewed-by: Alexandre Chartre <alexandre.chartre@oracle.com>

    alex.

    > #define DO_ERROR(trapnr, signr, sicode, addr, str, name) \
    > dotraplinkage void do_##name(struct pt_regs *regs, long error_code) \
    >
    >

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