Changeset 82474ef in mainline for kernel/arch/amd64/include/asm.h


Ignore:
Timestamp:
2010-02-03T12:45:26Z (14 years ago)
Author:
Martin Decky <martin@…>
Branches:
lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade
Children:
210e50a
Parents:
c1d3549
Message:

improve the GCC contract of halt(), make it explicitly noreturn

File:
1 edited

Legend:

Unmodified
Added
Removed
  • kernel/arch/amd64/include/asm.h

    rc1d3549 r82474ef  
    6868}
    6969
    70 static inline void cpu_halt(void)
    71 {
    72         asm volatile (
    73                 "0:\n"
    74                 "       hlt\n"
    75                 "       jmp 0b\n"
    76         );
     70static inline void __attribute__((noreturn)) cpu_halt(void)
     71{
     72        while (true) {
     73                asm volatile (
     74                        "hlt\n"
     75                );
     76        }
    7777}
    7878
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