| From: | Andres Freund <andres(at)anarazel(dot)de> |
|---|---|
| To: | Michael Paquier <michael(at)paquier(dot)xyz> |
| Cc: | Niyas Sait <niyas(dot)sait(at)linaro(dot)org>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Thomas Munro <thomas(dot)munro(at)gmail(dot)com>, Julien Rouhaud <rjuju123(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: [PATCH] Add native windows on arm64 support |
| Date: | 2022-08-26 03:29:43 |
| Message-ID: | 20220826032943.nwoepbegzwntbmks@awork3.anarazel.de |
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| Lists: | pgsql-hackers |
Hi,
On 2022-08-26 11:09:41 +0900, Michael Paquier wrote:
> On Thu, Aug 25, 2022 at 06:29:07PM -0700, Andres Freund wrote:
> > I accidentally did a lot of testing with DYNAMICBASE - I accidentally
> > mistranslated MSBuildProject.pm's <RandomizedBaseAddress>false</> to adding
> > /DYNAMICBASE in the meson port. Survived several hundred CI cycles and dozens
> > of local runs without observing any problems related to that.
> >
> > Which doesn't surprise me, given the way we reserve space in the new process.
>
> Still, we had problems with that in the past and I don't recall huge
> changes in the way we allocate shmem on WIN32.
It's really not great that 7f3e17b4827 disabled randomization without even a
comment as to why...
There actually seems to have been a lot of work in that area. See 617dc6d299c
/ bcbf2346d69 and as well as the retrying in 45e004fb4e39. Those weren't
prevented by us disabling ASLR.
Greetings,
Andres Freund
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