From: "Philippe Mathieu-Daudé" <philmd@linaro.org>
To: Richard Henderson <richard.henderson@linaro.org>, qemu-devel@nongnu.org
Cc: peter.maydell@linaro.org, Warner Losh <imp@bsdimp.com>
Subject: Re: [PATCH] accel/tcg: Drop PAGE_RESERVED for CONFIG_BSD
Date: Tue, 20 Dec 2022 23:16:11 +0100 [thread overview]
Message-ID: <8144cfc0-ddb5-b48a-e0f9-050a4e97c5de@linaro.org> (raw)
In-Reply-To: <c6e49899-509d-6c81-1a89-7182c61896ec@linaro.org>
On 20/12/22 20:31, Richard Henderson wrote:
> On 12/17/22 10:48, Richard Henderson wrote:
>> Make bsd-user match linux-user in not marking host pages
>> as reserved. This isn't especially effective anyway, as
>> it doesn't take into account any heap memory that qemu
>> may allocate after startup.
>>
>> Cc: Warner Losh <imp@bsdimp.com>
>> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
>> ---
>>
>> I started to simply fix up this code to match my user-only interval-tree
>> patch set, as L1_MAP_ADDR_SPACE_BITS gets removed from translate-all.c,
>> but then I decided to remove it all.
>
> A further justification for this: The actual PAGE_RESERVED bit is
> write-only; there is no other reference to this bit elsewhere.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
next prev parent reply other threads:[~2022-12-20 22:16 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-12-17 18:48 [PATCH] accel/tcg: Drop PAGE_RESERVED for CONFIG_BSD Richard Henderson
2022-12-20 19:31 ` Richard Henderson
2022-12-20 22:16 ` Philippe Mathieu-Daudé [this message]
2022-12-20 22:09 ` Warner Losh
2022-12-20 23:22 ` Richard Henderson
2022-12-21 1:04 ` Warner Losh
2022-12-20 23:09 ` Alex Bennée
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