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From: Pierrick Bouvier <pierrick.bouvier@linaro.org>
To: Richard Henderson <richard.henderson@linaro.org>, qemu-devel@nongnu.org
Subject: Re: [PATCH 04/23] accel/tcg: Split out tlbfast_flush_range_locked
Date: Fri, 11 Oct 2024 10:09:53 -0700	[thread overview]
Message-ID: <4df7a020-2eae-404f-bd2d-93a4c6dba66e@linaro.org> (raw)
In-Reply-To: <2daacd1c-1efb-4990-852b-a7e6ae1bd1d4@linaro.org>

On 10/9/24 18:20, Richard Henderson wrote:
> On 10/9/24 16:05, Pierrick Bouvier wrote:
>>> @@ -720,13 +728,10 @@ static void tlb_flush_range_locked(CPUState *cpu, int midx,
>>>            return;
>>>        }
>>> +    tlbfast_flush_range_locked(d, f, addr, len, mask);
>>> +
>>>        for (vaddr i = 0; i < len; i += TARGET_PAGE_SIZE) {
>>>            vaddr page = addr + i;
>>> -        CPUTLBEntry *entry = tlb_entry(cpu, midx, page);
>>> -
>>> -        if (tlb_flush_entry_mask_locked(entry, page, mask)) {
>>> -            tlb_n_used_entries_dec(cpu, midx);
>>> -        }
>>>            tlb_flush_vtlb_page_mask_locked(cpu, midx, page, mask);
>>>        }
>>>    }
>>
>> Why don't we have the same kind of change for tlb_flush_vtlb_page_mask_locked?
>>
>> We know have two loops (for entry mask, and for page mask).
> 
> It goes away in patch 15.
> 
> r~

Right, looks good.
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>

  reply	other threads:[~2024-10-11 17:34 UTC|newest]

Thread overview: 60+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-10-09 15:08 [RFC PATCH 00/23] accel/tcg: Convert victim tlb to IntervalTree Richard Henderson
2024-10-09 15:08 ` [PATCH 01/23] util/interval-tree: Introduce interval_tree_free_nodes Richard Henderson
2024-10-09 22:51   ` Pierrick Bouvier
2024-10-09 15:08 ` [PATCH 02/23] accel/tcg: Split out tlbfast_flush_locked Richard Henderson
2024-10-09 18:54   ` Philippe Mathieu-Daudé
2024-10-09 22:53   ` Pierrick Bouvier
2024-10-09 15:08 ` [PATCH 03/23] accel/tcg: Split out tlbfast_{index,entry} Richard Henderson
2024-10-09 22:55   ` Pierrick Bouvier
2024-10-09 15:08 ` [PATCH 04/23] accel/tcg: Split out tlbfast_flush_range_locked Richard Henderson
2024-10-09 23:05   ` Pierrick Bouvier
2024-10-10  1:20     ` Richard Henderson
2024-10-11 17:09       ` Pierrick Bouvier [this message]
2024-10-09 15:08 ` [PATCH 05/23] accel/tcg: Fix flags usage in mmu_lookup1, atomic_mmu_lookup Richard Henderson
2024-10-09 23:18   ` Pierrick Bouvier
2024-10-09 15:08 ` [PATCH 06/23] accel/tcg: Early exit for zero length in tlb_flush_range_by_mmuidx* Richard Henderson
2024-10-09 18:53   ` Philippe Mathieu-Daudé
2024-10-09 23:20   ` Pierrick Bouvier
2024-10-09 15:08 ` [PATCH 07/23] accel/tcg: Flush entire tlb when a masked range wraps Richard Henderson
2024-10-09 23:28   ` Pierrick Bouvier
2024-10-09 15:08 ` [PATCH 08/23] accel/tcg: Add IntervalTreeRoot to CPUTLBDesc Richard Henderson
2024-10-09 23:31   ` Pierrick Bouvier
2024-10-09 15:08 ` [PATCH 09/23] accel/tcg: Populate IntervalTree in tlb_set_page_full Richard Henderson
2024-10-09 23:50   ` Pierrick Bouvier
2024-10-09 15:08 ` [PATCH 10/23] accel/tcg: Remove IntervalTree entry in tlb_flush_page_locked Richard Henderson
2024-10-09 23:53   ` Pierrick Bouvier
2024-10-09 15:08 ` [PATCH 11/23] accel/tcg: Remove IntervalTree entries in tlb_flush_range_locked Richard Henderson
2024-10-09 23:57   ` Pierrick Bouvier
2024-10-09 15:08 ` [PATCH 12/23] accel/tcg: Process IntervalTree entries in tlb_reset_dirty Richard Henderson
2024-10-10  0:03   ` Pierrick Bouvier
2024-10-09 15:08 ` [PATCH 13/23] accel/tcg: Process IntervalTree entries in tlb_set_dirty Richard Henderson
2024-10-10  0:04   ` Pierrick Bouvier
2024-10-09 15:08 ` [PATCH 14/23] accel/tcg: Replace victim_tlb_hit with tlbtree_hit Richard Henderson
2024-10-10  0:10   ` Pierrick Bouvier
2024-10-10 19:29     ` Richard Henderson
2024-10-11 17:11       ` Pierrick Bouvier
2024-10-09 15:08 ` [PATCH 15/23] accel/tcg: Remove the victim tlb Richard Henderson
2024-10-10  0:12   ` Pierrick Bouvier
2024-10-09 15:08 ` [PATCH 16/23] include/exec/tlb-common: Move CPUTLBEntryFull from hw/core/cpu.h Richard Henderson
2024-10-10  0:17   ` Pierrick Bouvier
2024-10-09 15:08 ` [PATCH 17/23] accel/tcg: Delay plugin adjustment in probe_access_internal Richard Henderson
2024-10-10  0:19   ` Pierrick Bouvier
2024-10-09 15:08 ` [PATCH 18/23] accel/tcg: Call cpu_ld*_code_mmu from cpu_ld*_code Richard Henderson
2024-10-09 18:51   ` Philippe Mathieu-Daudé
2024-10-10  0:23   ` Pierrick Bouvier
2024-10-10 19:31     ` Richard Henderson
2024-10-09 15:08 ` [PATCH 19/23] accel/tcg: Always use IntervalTree for code lookups Richard Henderson
2024-10-10  0:35   ` Pierrick Bouvier
2024-10-11 14:47     ` Richard Henderson
2024-10-11 17:55       ` Pierrick Bouvier
2024-10-09 15:08 ` [PATCH 20/23] accel/tcg: Link CPUTLBEntry to CPUTLBEntryTree Richard Henderson
2024-10-10  0:37   ` Pierrick Bouvier
2024-10-09 15:08 ` [PATCH 21/23] accel/tcg: Remove CPUTLBDesc.fulltlb Richard Henderson
2024-10-10  0:38   ` Pierrick Bouvier
2024-10-09 15:08 ` [NOTYET PATCH 22/23] accel/tcg: Drop TCGCPUOps.tlb_fill Richard Henderson
2024-10-10  0:40   ` Pierrick Bouvier
2024-10-09 15:08 ` [NOTYET PATCH 23/23] accel/tcg: Unexport tlb_set_page* Richard Henderson
2024-10-09 16:27 ` [RFC PATCH 00/23] accel/tcg: Convert victim tlb to IntervalTree BALATON Zoltan
2024-10-09 17:10   ` Richard Henderson
2024-10-10  0:50     ` Pierrick Bouvier
2024-10-15  0:07       ` Richard Henderson

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