From nobody Fri Oct 13 09:27:30 2023 X-Original-To: dev-commits-src-all@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4S6Lkp5Dq9z4wlKN; Fri, 13 Oct 2023 09:27:30 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4S6Lkp4JXPz4Rs0; Fri, 13 Oct 2023 09:27:30 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1697189250; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=X569ObDdPieKW3RlWWa56OiQCuwQ0ZjDTQ/cQE7M6SE=; b=ZJhL1ekmB5p2XvyaxiPubiPcHvNKFEHsrd0bnNJOZQd8iDC/A9iU0G5IWbvpRTlUXkn3/l gzkfEjcQTmWYli8IbBUT/5LMXJGTdirl1WtAwqdBAI+NOJOG4YoJfXM5ahWHYprOqilWW1 aRVhTyEWS/DvoGOjAEDuECDW1kmpuQZMaeA88eN+LVLu7l9Yn7M9jdedARktUv29NwRp5L xciyVbWk/JAkwKJCbCH9HR6xH/ETnRyWe0dLRvI7JtxdDuXKuiqjy4rTLI1iJ062D3cJiQ 4EjiQPcxV8xhJdhbKuVFqVm5s+6Y2DIcP1swu9iV1zQiR/GE87WuFzvqxuo2jA== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1697189250; a=rsa-sha256; cv=none; b=sxRwWoTzPzM9LvclhSdIMIAh0kwWzFmdWfvnbr6OKBa9vriXvIJokQZitVnYI5Hh1yBYe2 ERoAQ5GcoFFJaj1K56/++oHS+garTrH4XH5qsTZsgwuJGeFOTkataWpMO67TTvX6pDZ+j+ uEJkPf9oNFYKb9c9JUIp+6jCuhmAErS1spKmfGY2cYezmbgR9r9ICz+SOF0PIcvLQwmn/U f2h0mGp2gvNRH6RhtvzvN9cVN8DaGKWwGfkSDx57zUK60MmNiIR9CzP6w0f6AdXIVCgLyQ YVE5ma6Pw5uVk5lzDGFf5XL+5olat3+YIiKzxXOjjYWwBoRP7oI1nHEEKyrIaA== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1697189250; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=X569ObDdPieKW3RlWWa56OiQCuwQ0ZjDTQ/cQE7M6SE=; b=qNdAe8SuNHfTL6XYprN6qqdCqIQA5+uTFWtUjAGLjrsFpbjT4iQzL77OKQazd+KdktL/HB 4uPqJ+iI8k9bV/o2Fu/UmZFBQ3RZfSgIKYC3tRqtKxcQ/oYJtjIJ6aGU3196uEy5Pz/3pi tqYaaOg7d5Eu95u41DdGwA2xPsVf8tYNHcSqbcy+hASwWwnd6RcMemvbu5hAkdEN+hsMVc V08+MykUzdlzTRHs/gFmwtjU26Rbvb21F/VZYv1XoTEvblqO2LIo4BsoadOTfTzpAN0tfe m00t/k5wr998QrQXGMPRLzxN+G6lGlwsBP78t76H1wMzZ40nOymqGtV1KfvHPA== Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 4S6Lkp3MvFzhmJ; Fri, 13 Oct 2023 09:27:30 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org ([127.0.1.44]) by gitrepo.freebsd.org (8.17.1/8.17.1) with ESMTP id 39D9RUcM085685; Fri, 13 Oct 2023 09:27:30 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.17.1/8.17.1/Submit) id 39D9RUtC085683; Fri, 13 Oct 2023 09:27:30 GMT (envelope-from git) Date: Fri, 13 Oct 2023 09:27:30 GMT Message-Id: <202310130927.39D9RUtC085683@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: Konstantin Belousov Subject: git: 39cddbd7a07c - main - arm64: do not disable the kern.kstack_pages tunable on arm64 List-Id: Commit messages for all branches of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-all List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-dev-commits-src-all@freebsd.org X-BeenThere: dev-commits-src-all@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: kib X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: 39cddbd7a07c182c4f121bea5a6effa36862fc63 Auto-Submitted: auto-generated The branch main has been updated by kib: URL: https://cgit.FreeBSD.org/src/commit/?id=39cddbd7a07c182c4f121bea5a6effa36862fc63 commit 39cddbd7a07c182c4f121bea5a6effa36862fc63 Author: Konstantin Belousov AuthorDate: 2023-10-10 00:02:06 +0000 Commit: Konstantin Belousov CommitDate: 2023-10-13 09:26:45 +0000 arm64: do not disable the kern.kstack_pages tunable on arm64 Add a comment explaining what is not quite correct with arm64 and riscv. Reviewed by: jhb, markj Sponsored by: The FreeBSD Foundation MFC after: 1 week Differential revision: https://reviews.freebsd.org/D42143 --- sys/kern/subr_param.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/sys/kern/subr_param.c b/sys/kern/subr_param.c index f7d6cf848424..b7dbf606f492 100644 --- a/sys/kern/subr_param.c +++ b/sys/kern/subr_param.c @@ -170,9 +170,13 @@ init_param1(void) { TSENTER(); -#if !defined(__arm64__) + + /* + * arm64 and riscv currently hard-code the thread0 kstack size + * to KSTACK_PAGES, ignoring the tunable. + */ TUNABLE_INT_FETCH("kern.kstack_pages", &kstack_pages); -#endif + hz = -1; TUNABLE_INT_FETCH("kern.hz", &hz); if (hz == -1)