74a622be3d
The update of the vdso data happens under xtime_lock, so adding a nested lock is pointless. Just use a seqcount to sync the readers. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Tony Luck <tony.luck@intel.com> Signed-off-by: John Stultz <john.stultz@linaro.org>
23 lines
497 B
C
23 lines
497 B
C
/*
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* (c) Copyright 2007 Hewlett-Packard Development Company, L.P.
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* Contributed by Peter Keilty <peter.keilty@hp.com>
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*
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* fsyscall gettimeofday data
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*/
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struct fsyscall_gtod_data_t {
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seqcount_t seq;
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struct timespec wall_time;
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struct timespec monotonic_time;
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cycle_t clk_mask;
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u32 clk_mult;
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u32 clk_shift;
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void *clk_fsys_mmio;
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cycle_t clk_cycle_last;
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} ____cacheline_aligned;
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struct itc_jitter_data_t {
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int itc_jitter;
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cycle_t itc_lastcycle;
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} ____cacheline_aligned;
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