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cputlb: drop flush_global flag from tlb_flush

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We have never has the concept of global TLB entries which would avoid
the flush so we never actually use this flag. Drop it and make clear
that tlb_flush is the sledge-hammer it has always been.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
[DG: ppc portions]
Acked-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Alex Bennée
2016-11-14 14:17:28 +00:00
parent ba7d3d1858
commit d10eb08f5d
29 changed files with 85 additions and 96 deletions
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14
include/exec/exec-all.h
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@@ -95,15 +95,13 @@ void tlb_flush_page(CPUState *cpu, target_ulong addr);
/**
* tlb_flush:
* @cpu: CPU whose TLB should be flushed
* @flush_global: ignored
*
* Flush the entire TLB for the specified CPU.
* The flush_global flag is in theory an indicator of whether the whole
* TLB should be flushed, or only those entries not marked global.
* In practice QEMU does not implement any global/not global flag for
* TLB entries, and the argument is ignored.
* Flush the entire TLB for the specified CPU. Most CPU architectures
* allow the implementation to drop entries from the TLB at any time
* so this is generally safe. If more selective flushing is required
* use one of the other functions for efficiency.
*/
void tlb_flush(CPUState *cpu, int flush_global);
void tlb_flush(CPUState *cpu);
/**
* tlb_flush_page_by_mmuidx:
* @cpu: CPU whose TLB should be flushed
@@ -165,7 +163,7 @@ static inline void tlb_flush_page(CPUState *cpu, target_ulong addr)
{
}
static inline void tlb_flush(CPUState *cpu, int flush_global)
static inline void tlb_flush(CPUState *cpu)
{
}