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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
Download patch file Download diff file Expand all files Collapse all files

8
target/i386/helper.c
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@ -586,7 +586,7 @@ void x86_cpu_set_a20(X86CPU *cpu, int a20_state)
/* when a20 is changed, all the MMU mappings are invalid, so
we must flush everything */
tlb_flush(cs, 1);
tlb_flush(cs);
env->a20_mask = ~(1 << 20) | (a20_state << 20);
}
}
@ -599,7 +599,7 @@ void cpu_x86_update_cr0(CPUX86State *env, uint32_t new_cr0)
qemu_log_mask(CPU_LOG_MMU, "CR0 update: CR0=0x%08x\n", new_cr0);
if ((new_cr0 & (CR0_PG_MASK | CR0_WP_MASK | CR0_PE_MASK)) !=
(env->cr[0] & (CR0_PG_MASK | CR0_WP_MASK | CR0_PE_MASK))) {
tlb_flush(CPU(cpu), 1);
tlb_flush(CPU(cpu));
}
#ifdef TARGET_X86_64
@ -641,7 +641,7 @@ void cpu_x86_update_cr3(CPUX86State *env, target_ulong new_cr3)
if (env->cr[0] & CR0_PG_MASK) {
qemu_log_mask(CPU_LOG_MMU,
"CR3 update: CR3=" TARGET_FMT_lx "\n", new_cr3);
tlb_flush(CPU(cpu), 0);
tlb_flush(CPU(cpu));
}
}
@ -656,7 +656,7 @@ void cpu_x86_update_cr4(CPUX86State *env, uint32_t new_cr4)
if ((new_cr4 ^ env->cr[4]) &
(CR4_PGE_MASK | CR4_PAE_MASK | CR4_PSE_MASK |
CR4_SMEP_MASK | CR4_SMAP_MASK | CR4_LA57_MASK)) {
tlb_flush(CPU(cpu), 1);
tlb_flush(CPU(cpu));
}
/* Clear bits we're going to recompute. */