From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from picard.linux.it (picard.linux.it [213.254.12.146]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id C1AD0C27C5E for ; Tue, 11 Jun 2024 12:05:07 +0000 (UTC) Received: from picard.linux.it (localhost [IPv6:::1]) by picard.linux.it (Postfix) with ESMTP id 1E7B83D0B98 for ; Tue, 11 Jun 2024 14:05:06 +0200 (CEST) Received: from in-7.smtp.seeweb.it (in-7.smtp.seeweb.it [217.194.8.7]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (secp384r1)) (No client certificate requested) by picard.linux.it (Postfix) with ESMTPS id 390C53C2FAF for ; Tue, 11 Jun 2024 14:04:50 +0200 (CEST) Authentication-Results: in-7.smtp.seeweb.it; spf=pass (sender SPF authorized) smtp.mailfrom=suse.cz (client-ip=195.135.223.130; helo=smtp-out1.suse.de; envelope-from=chrubis@suse.cz; receiver=lists.linux.it) Received: from smtp-out1.suse.de (smtp-out1.suse.de [195.135.223.130]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by in-7.smtp.seeweb.it (Postfix) with ESMTPS id 6DF4F2079E3 for ; Tue, 11 Jun 2024 14:04:48 +0200 (CEST) Received: from imap1.dmz-prg2.suse.org (imap1.dmz-prg2.suse.org [IPv6:2a07:de40:b281:104:10:150:64:97]) (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) (No client certificate requested) by smtp-out1.suse.de (Postfix) with ESMTPS id 546B433749; Tue, 11 Jun 2024 12:04:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_rsa; t=1718107488; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=haXS2o68Dtl5J0EXm14mdIQZczBwC9xsvspeIKVtR0Y=; b=aNY47Je1J8CZ0d0jXd/fMdBpOocQJU/UF5v8NwADrUc2X5gyK9quTBKwZpgeiSmMCWQsA9 RmX4ylAAlzXC0dLeDeEPZMA6safyvDaRpy0mzXoIYpG/l5WcqhbRVwEIS/UPL/biEbV714 yOBSHJdVXCAwNpD0iOSsAIpyqKNJb+U= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_ed25519; t=1718107488; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=haXS2o68Dtl5J0EXm14mdIQZczBwC9xsvspeIKVtR0Y=; b=ygSBkYzgFDbLbcD2jVgINVMHT9mRAl2y/eXIjzMMEPpgMHur4pJxI+buIfztbM1TrFGykI 6MwzDNwHFaxvlMDw== Authentication-Results: smtp-out1.suse.de; dkim=pass header.d=suse.cz header.s=susede2_rsa header.b=aNY47Je1; dkim=pass header.d=suse.cz header.s=susede2_ed25519 header.b=ygSBkYzg DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_rsa; t=1718107488; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=haXS2o68Dtl5J0EXm14mdIQZczBwC9xsvspeIKVtR0Y=; b=aNY47Je1J8CZ0d0jXd/fMdBpOocQJU/UF5v8NwADrUc2X5gyK9quTBKwZpgeiSmMCWQsA9 RmX4ylAAlzXC0dLeDeEPZMA6safyvDaRpy0mzXoIYpG/l5WcqhbRVwEIS/UPL/biEbV714 yOBSHJdVXCAwNpD0iOSsAIpyqKNJb+U= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_ed25519; t=1718107488; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=haXS2o68Dtl5J0EXm14mdIQZczBwC9xsvspeIKVtR0Y=; b=ygSBkYzgFDbLbcD2jVgINVMHT9mRAl2y/eXIjzMMEPpgMHur4pJxI+buIfztbM1TrFGykI 6MwzDNwHFaxvlMDw== Received: from imap1.dmz-prg2.suse.org (localhost [127.0.0.1]) (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) (No client certificate requested) by imap1.dmz-prg2.suse.org (Postfix) with ESMTPS id 449CD13A55; Tue, 11 Jun 2024 12:04:48 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id MmB1D2A9aGZhJAAAD6G6ig (envelope-from ); Tue, 11 Jun 2024 12:04:48 +0000 Date: Tue, 11 Jun 2024 14:04:41 +0200 From: Cyril Hrubis To: Khem Raj Message-ID: References: <20240611055655.614782-1-raj.khem@gmail.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20240611055655.614782-1-raj.khem@gmail.com> X-Spamd-Result: default: False [-4.01 / 50.00]; BAYES_HAM(-3.00)[100.00%]; NEURAL_HAM_LONG(-1.00)[-1.000]; MID_RHS_NOT_FQDN(0.50)[]; R_DKIM_ALLOW(-0.20)[suse.cz:s=susede2_rsa,suse.cz:s=susede2_ed25519]; NEURAL_HAM_SHORT(-0.20)[-1.000]; MIME_GOOD(-0.10)[text/plain]; MX_GOOD(-0.01)[]; URIBL_BLOCKED(0.00)[imap1.dmz-prg2.suse.org:helo,imap1.dmz-prg2.suse.org:rdns,suse.cz:dkim,suse.cz:email,andestech.com:email,linux.it:url]; DKIM_SIGNED(0.00)[suse.cz:s=susede2_rsa,suse.cz:s=susede2_ed25519]; FUZZY_BLOCKED(0.00)[rspamd.com]; RBL_SPAMHAUS_BLOCKED_OPENRESOLVER(0.00)[2a07:de40:b281:104:10:150:64:97:from]; TO_DN_SOME(0.00)[]; FREEMAIL_TO(0.00)[gmail.com]; MIME_TRACE(0.00)[0:+]; ARC_NA(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; FREEMAIL_ENVRCPT(0.00)[gmail.com]; RCVD_TLS_ALL(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; RECEIVED_SPAMHAUS_BLOCKED_OPENRESOLVER(0.00)[2a07:de40:b281:106:10:150:64:167:received]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; SPAMHAUS_XBL(0.00)[2a07:de40:b281:104:10:150:64:97:from]; TAGGED_RCPT(0.00)[]; MISSING_XM_UA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; DKIM_TRACE(0.00)[suse.cz:+]; RCPT_COUNT_THREE(0.00)[3]; DBL_BLOCKED_OPENRESOLVER(0.00)[imap1.dmz-prg2.suse.org:helo, imap1.dmz-prg2.suse.org:rdns, linux.it:url, suse.cz:dkim, suse.cz:email] X-Rspamd-Action: no action X-Rspamd-Queue-Id: 546B433749 X-Rspamd-Server: rspamd1.dmz-prg2.suse.org X-Virus-Scanned: clamav-milter 1.0.3 at in-7.smtp.seeweb.it X-Virus-Status: Clean Subject: Re: [LTP] [PATCH] Add __clear_cache declaration for clang X-BeenThere: ltp@lists.linux.it X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux Test Project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Hui Min Mina Chou , ltp@lists.linux.it Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ltp-bounces+ltp=archiver.kernel.org@lists.linux.it Sender: "ltp" Hi! > __clear_cache was enabled on RISCV recently with 7352ba02390116f1cd6a9b583860ba28aa0a1b7a > however it fails to compile with clang19 on RISCV > With this error > > hugemmap15.c:51:2: error: call to undeclared function '__clear_cache'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] > 51 | __clear_cache(p, p + COPY_SIZE); > | ^ This sounds like a clnag bug. The __clear_cache() is a pre-defined function and as such the signature should be part of the compiler. Is the call even supported by clang19 on RISCV? > Signed-off-by: Khem Raj > Cc: Hui Min Mina Chou > --- > testcases/kernel/mem/hugetlb/hugemmap/hugemmap15.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/testcases/kernel/mem/hugetlb/hugemmap/hugemmap15.c b/testcases/kernel/mem/hugetlb/hugemmap/hugemmap15.c > index a84ba6476..856e22ff3 100644 > --- a/testcases/kernel/mem/hugetlb/hugemmap/hugemmap15.c > +++ b/testcases/kernel/mem/hugetlb/hugemmap/hugemmap15.c > @@ -21,6 +21,7 @@ > > #if defined(__clang__) > #pragma clang optimize off > + void __clear_cache(void *start, void *end); > #endif > > #define _GNU_SOURCE > > -- > Mailing list info: https://lists.linux.it/listinfo/ltp -- Cyril Hrubis chrubis@suse.cz -- Mailing list info: https://lists.linux.it/listinfo/ltp