From: Vitaly Chikunov <vt@altlinux.org> To: ALT Linux kernel packages development <devel-kernel@lists.altlinux.org> Subject: Re: [d-kernel] [PATCH v2 std-def/sisyphus] config: Update some config options Date: Sun, 8 May 2022 15:35:44 +0300 Message-ID: <20220508123544.lgpo25udtah3evst@altlinux.org> (raw) In-Reply-To: <20220508123251.lovnm5uvtm4wyikf@altlinux.org> On Sun, May 08, 2022 at 03:32:51PM +0300, Vitaly Chikunov wrote: > On Sun, May 08, 2022 at 03:30:23PM +0300, Vitaly Chikunov wrote: > > On Sun, May 08, 2022 at 03:27:08PM +0300, Vitaly Chikunov wrote: > > > On Sun, May 08, 2022 at 03:13:29PM +0300, Dmitry V. Levin wrote: > > > > On Sun, May 08, 2022 at 02:14:03PM +0300, Vitaly Chikunov wrote: > > > > > Based on suggestions from Alexey V. Vissarionov <gremlin@altlinux.org>, > > > > > but not completely following them. All mistakes are mine. > > > > > > > > > > - Mostly - add new hardware support. > > > > > - Disable some legacy stuff. > > > > > - Turn off SHA1 by default, replace with SHA512. > > > > > - Set panic=600 by default. > > > > [...] > > > > > --- a/config > > > > > +++ b/config > > > > > @@ -99,7 +99,7 @@ CONFIG_NO_HZ_IDLE=y > > > > > # CONFIG_NO_HZ_FULL is not set > > > > > CONFIG_CONTEXT_TRACKING=y > > > > > CONFIG_CONTEXT_TRACKING_FORCE=y > > > > > -CONFIG_NO_HZ=y > > > > > +# CONFIG_NO_HZ is not set > > > > > > > > Посмотрел Documentation/timers/no_hz.rst и не понял, как обосновано это > > > > изменение. > > > > > > Следующим образом: > > > > > > config NO_HZ > > > bool "Old Idle dynticks config" > > > help > > > This is the old config entry that enables dynticks idle. > > > We keep it around for a little while to enforce backward > > > compatibility with older config files. > > > > > > Фраза "old". Плюс фраза "old obsolete dynticks idle symbol" в коммите, > > > который добавляет этот текст: > > > > > > commit 0644ca5c774f1a7033bfc83c7ed0660f74f28b56 > > > AuthorDate: Fri Apr 12 16:40:12 2013 +0200 > > > > > > Namely we want: > > > > > > config NO_HZ # old obsolete dynticks idle symbol > > > bool > > > > > > config NO_HZ_IDLE # new dynticks idle symbol > > > default NO_HZ > > Как я понимаю, вся функция NO_HZ - включать NO_HZ_IDLE. Я решил вернуть CONFIG_NO_HZ=y - вреда нет, но может кому-то будет приятно его там видеть, или скрипт может проверять на его наличие! > > > > > > > > > > Я так же не нахожу в коде использования CONFIG_NO_HZ. > > > > > > (ps. У меня на defconfig она оказалась =y, но сейчас я его перегенерировал и > > > > То есть была =n первый раз. > > > > > она стала =y. Значит тут я ошибся.) > > > > > > > > > > > > > > > > > > -- > > > > ldv > > > > _______________________________________________ > > > > devel-kernel mailing list > > > > devel-kernel@lists.altlinux.org > > > > https://lists.altlinux.org/mailman/listinfo/devel-kernel > > > _______________________________________________ > > > devel-kernel mailing list > > > devel-kernel@lists.altlinux.org > > > https://lists.altlinux.org/mailman/listinfo/devel-kernel > > _______________________________________________ > > devel-kernel mailing list > > devel-kernel@lists.altlinux.org > > https://lists.altlinux.org/mailman/listinfo/devel-kernel > _______________________________________________ > devel-kernel mailing list > devel-kernel@lists.altlinux.org > https://lists.altlinux.org/mailman/listinfo/devel-kernel
prev parent reply other threads:[~2022-05-08 12:35 UTC|newest] Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-05-08 11:14 Vitaly Chikunov 2022-05-08 12:13 ` Dmitry V. Levin 2022-05-08 12:27 ` Vitaly Chikunov 2022-05-08 12:30 ` Vitaly Chikunov 2022-05-08 12:32 ` Vitaly Chikunov 2022-05-08 12:35 ` Vitaly Chikunov [this message]
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