From: "Philippe Mathieu-Daudé" <philmd@linaro.org>
To: gaosong <gaosong@loongson.cn>, Bibo Mao <maobibo@loongson.cn>,
Richard Henderson <richard.henderson@linaro.org>
Cc: Jiaxun Yang <jiaxun.yang@flygoat.com>, qemu-devel@nongnu.org
Subject: Re: [PATCH 0/2] target/loongarch: Fix some TLB flush issues
Date: Tue, 18 Nov 2025 16:39:53 +0100 [thread overview]
Message-ID: <322d40f9-7c21-414b-a038-9a36b679f684@linaro.org> (raw)
In-Reply-To: <f1b8c890-0857-d1ba-ef43-26981c54c241@loongson.cn>
On 14/10/25 12:01, gaosong wrote:
> 在 2025/10/9 上午10:59, Bibo Mao 写道:
>> There are two problems with TLB flush, one is that loongArch TLB entry
>> should be invalidated with different ASID, the other is global TLB entry
>> should be skippped when calculating replaced TLB entry.
>>
>> With these two patches, it improves VM boot time also. VM boot time from
>> generic qcow file reduces to 300 seconds from previous 600 seconds.
>>
>> Bibo Mao (2):
>> target/loongarch: Add missing TLB flush with different asid
>> target/loongarch: Skip global TLB when calculating replaced TLB
>>
>> target/loongarch/tcg/tlb_helper.c | 22 +++++++++++++---------
>> 1 file changed, 13 insertions(+), 9 deletions(-)
>>
>>
>> base-commit: 37ad0e48e9fd58b170abbf31c18a994346f62ed7
> Reviewed-by: Song Gao <gaosong@loongson.cn>
Merged as 2e9ff01a912 & f72848e31fb.
prev parent reply other threads:[~2025-11-18 15:41 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-10-09 2:59 [PATCH 0/2] target/loongarch: Fix some TLB flush issues Bibo Mao
2025-10-09 2:59 ` [PATCH 1/2] target/loongarch: Add missing TLB flush with different asid Bibo Mao
2025-10-14 9:10 ` gaosong
2025-10-09 2:59 ` [PATCH 2/2] target/loongarch: Skip global TLB when calculating replaced TLB Bibo Mao
2025-10-14 9:11 ` gaosong
2025-10-14 10:01 ` [PATCH 0/2] target/loongarch: Fix some TLB flush issues gaosong
2025-11-18 15:39 ` Philippe Mathieu-Daudé [this message]
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