From owner-dev-commits-src-all@freebsd.org Wed Apr 7 15:03:35 2021 Return-Path: Delivered-To: dev-commits-src-all@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id CB75F5B9930; Wed, 7 Apr 2021 15:03:35 +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 4FFnhl5QG5z3hnQ; Wed, 7 Apr 2021 15:03:35 +0000 (UTC) (envelope-from git@FreeBSD.org) 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 AC86A2160A; Wed, 7 Apr 2021 15:03:35 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org ([127.0.1.44]) by gitrepo.freebsd.org (8.16.1/8.16.1) with ESMTP id 137F3ZIi080708; Wed, 7 Apr 2021 15:03:35 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.16.1/8.16.1/Submit) id 137F3ZfH080707; Wed, 7 Apr 2021 15:03:35 GMT (envelope-from git) Date: Wed, 7 Apr 2021 15:03:35 GMT Message-Id: <202104071503.137F3ZfH080707@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: Kristof Provost Subject: git: ab8d25880ebc - main - libnv: Allow use in non-sleepable contexts MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: kp X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: ab8d25880ebc9ddca1ae6af938680036349edf3f Auto-Submitted: auto-generated X-BeenThere: dev-commits-src-all@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Commit messages for all branches of the src repository List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 07 Apr 2021 15:03:35 -0000 The branch main has been updated by kp: URL: https://cgit.FreeBSD.org/src/commit/?id=ab8d25880ebc9ddca1ae6af938680036349edf3f commit ab8d25880ebc9ddca1ae6af938680036349edf3f Author: Kristof Provost AuthorDate: 2021-03-25 12:59:14 +0000 Commit: Kristof Provost CommitDate: 2021-04-07 13:54:10 +0000 libnv: Allow use in non-sleepable contexts 44c125c4cebc2fd87c6260b90eddae11201f5232 switched the nvlist allocations to be M_WAITOK, but this precludes the use in non-sleepable contexts. (E.g. with a nonsleepable lock held). All callers for these allocation functions already cope with memory alloation failures, so there's no reason to allow sleeping during allocations. Reviewed by: melifaro, oshogbo MFC after: 1 week Sponsored by: Rubicon Communications, LLC ("Netgate") Differential Revision: https://reviews.freebsd.org/D29556 --- sys/contrib/libnv/nv_impl.h | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/sys/contrib/libnv/nv_impl.h b/sys/contrib/libnv/nv_impl.h index 14f2fb8f2c11..1875c739beee 100644 --- a/sys/contrib/libnv/nv_impl.h +++ b/sys/contrib/libnv/nv_impl.h @@ -52,13 +52,13 @@ typedef struct nvpair nvpair_t; #define NV_FLAG_IN_ARRAY 0x100 #ifdef _KERNEL -#define nv_malloc(size) malloc((size), M_NVLIST, M_WAITOK) +#define nv_malloc(size) malloc((size), M_NVLIST, M_NOWAIT) #define nv_calloc(n, size) mallocarray((n), (size), M_NVLIST, \ - M_WAITOK | M_ZERO) + M_NOWAIT | M_ZERO) #define nv_realloc(buf, size) realloc((buf), (size), M_NVLIST, \ - M_WAITOK) + M_NOWAIT) #define nv_free(buf) free((buf), M_NVLIST) -#define nv_strdup(buf) strdup((buf), M_NVLIST) +#define nv_strdup(buf) strdup_flags((buf), M_NVLIST, M_NOWAIT) #define nv_vasprintf(ptr, ...) vasprintf(ptr, M_NVLIST, __VA_ARGS__) #define ERRNO_SET(var) do { } while (0)