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Re: [Qemu-devel] [PATCH 04/10] cputlb: Split large page tracking per mmu
From: |
Emilio G. Cota |
Subject: |
Re: [Qemu-devel] [PATCH 04/10] cputlb: Split large page tracking per mmu_idx |
Date: |
Fri, 26 Oct 2018 20:16:52 -0400 |
User-agent: |
Mutt/1.9.4 (2018-02-28) |
On Tue, Oct 23, 2018 at 08:02:47 +0100, Richard Henderson wrote:
> +static void tlb_flush_page_locked(CPUArchState *env, int midx,
> + target_ulong addr)
> +{
> + target_ulong lp_addr = env->tlb_d[midx].large_page_addr;
> + target_ulong lp_mask = env->tlb_d[midx].large_page_mask;
> +
> + /* Check if we need to flush due to large pages. */
> + if ((addr & lp_mask) == lp_addr) {
> + tlb_debug("forcing full flush midx %d ("
> + TARGET_FMT_lx "/" TARGET_FMT_lx ")\n",
> + midx, lp_addr, lp_mask);
> + tlb_flush_one_mmuidx_locked(env, midx);
> + } else {
> + int pidx = (addr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
> + tlb_flush_entry_locked(&env->tlb_table[midx][pidx], addr);
> + tlb_flush_vtlb_page_locked(env, midx, addr);
Just noticed that we should use tlb_entry here, e.g.:
} else {
- int pidx = (addr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
- tlb_flush_entry_locked(&env->tlb_table[midx][pidx], addr);
+ CPUTLBEntry *entry = tlb_entry(env, midx, addr);
+
+ tlb_flush_entry_locked(entry, addr);
tlb_flush_vtlb_page_locked(env, midx, addr);
}
Thanks,
Emilio
- [Qemu-devel] [PATCH 00/10] cputlb: track dirty tlbs and general cleanup, Richard Henderson, 2018/10/23
- [Qemu-devel] [PATCH 10/10] cputlb: Remove tlb_c.pending_flushes, Richard Henderson, 2018/10/23
- [Qemu-devel] [PATCH 01/10] cputlb: Move tlb_lock to CPUTLBCommon, Richard Henderson, 2018/10/23
- [Qemu-devel] [PATCH 06/10] cputlb: Merge tlb_flush_nocheck into tlb_flush_by_mmuidx_async_work, Richard Henderson, 2018/10/23
- [Qemu-devel] [PATCH 02/10] cputlb: Remove tcg_enabled hack from tlb_flush_nocheck, Richard Henderson, 2018/10/23
- [Qemu-devel] [PATCH 03/10] cputlb: Move cpu->pending_tlb_flush to env->tlb_c.pending_flush, Richard Henderson, 2018/10/23
- [Qemu-devel] [PATCH 08/10] cputlb: Count "partial" and "elided" tlb flushes, Richard Henderson, 2018/10/23
- [Qemu-devel] [PATCH 09/10] cputlb: Filter flushes on already clean tlbs, Richard Henderson, 2018/10/23
- [Qemu-devel] [PATCH 04/10] cputlb: Split large page tracking per mmu_idx, Richard Henderson, 2018/10/23
- Re: [Qemu-devel] [PATCH 04/10] cputlb: Split large page tracking per mmu_idx,
Emilio G. Cota <=
- [Qemu-devel] [PATCH, build fix] osdep: Work around MinGW assert, Richard Henderson, 2018/10/23
- [Qemu-devel] [PATCH 07/10] cputlb: Merge tlb_flush_page into tlb_flush_page_by_mmuidx, Richard Henderson, 2018/10/23
- [Qemu-devel] [PATCH 05/10] cputlb: Move env->vtlb_index to env->tlb_d.vindex, Richard Henderson, 2018/10/23
- Re: [Qemu-devel] [PATCH 00/10] cputlb: track dirty tlbs and general cleanup, Emilio G. Cota, 2018/10/23