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Peter Anvin" Subject: [PATCH] x86/paravirt: make BUG_func() usable by non-GPL modules Date: Tue, 9 Jan 2024 09:22:32 +0100 Message-Id: <20240109082232.22657-1-jgross@suse.com> X-Mailer: git-send-email 2.35.3 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Spam-Level: *** X-Spamd-Bar: +++ Authentication-Results: smtp-out2.suse.de; dkim=pass header.d=suse.com header.s=susede1 header.b=aUDHaCbE X-Rspamd-Server: rspamd2.dmz-prg2.suse.org X-Spamd-Result: default: False [3.73 / 50.00]; RCVD_VIA_SMTP_AUTH(0.00)[]; SPAMHAUS_XBL(0.00)[2a07:de40:b281:104:10:150:64:97:from]; RECEIVED_SPAMHAUS_BLOCKED_OPENRESOLVER(0.00)[2a07:de40:b281:106:10:150:64:167:received]; TO_DN_SOME(0.00)[]; R_MISSING_CHARSET(2.50)[]; BROKEN_CONTENT_TYPE(1.50)[]; RCVD_COUNT_THREE(0.00)[3]; DKIM_TRACE(0.00)[suse.com:+]; MX_GOOD(-0.01)[]; RCPT_COUNT_SEVEN(0.00)[8]; NEURAL_HAM_SHORT(-0.20)[-1.000]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; BAYES_HAM(-0.76)[84.24%]; ARC_NA(0.00)[]; R_DKIM_ALLOW(-0.20)[suse.com:s=susede1]; FROM_HAS_DN(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; MIME_GOOD(-0.10)[text/plain]; DWL_DNSWL_HI(-3.50)[suse.com:dkim]; DKIM_SIGNED(0.00)[suse.com:s=susede1]; NEURAL_SPAM_LONG(3.50)[1.000]; MID_CONTAINS_FROM(1.00)[]; DBL_BLOCKED_OPENRESOLVER(0.00)[suse.com:dkim,suse.com:email]; FUZZY_BLOCKED(0.00)[rspamd.com]; RCVD_TLS_ALL(0.00)[]; RBL_SPAMHAUS_BLOCKED_OPENRESOLVER(0.00)[2a07:de40:b281:104:10:150:64:97:from] X-Spam-Score: 3.73 X-Rspamd-Queue-Id: 41B731F7EB X-Spam-Flag: NO X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1787601176413618677 X-GMAIL-MSGID: 1787601176413618677 Several inlined functions subject to paravirt patching are referencing BUG_func() since the recent switch to the alternative patching mechanism. As those functions can legally be used by non-GPL modules, BUG_func() must be usable by those modules, too. So don't use EXPORT_SYMBOL_GPL() for exporting BUG_func(). Fixes: 9824b00c2b58 ("x86/paravirt: Move some functions and defines to alternative.c") Signed-off-by: Juergen Gross --- arch/x86/kernel/alternative.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/alternative.c b/arch/x86/kernel/alternative.c index 55e205b21271..692f597e414b 100644 --- a/arch/x86/kernel/alternative.c +++ b/arch/x86/kernel/alternative.c @@ -402,7 +402,7 @@ noinstr void BUG_func(void) { BUG(); } -EXPORT_SYMBOL_GPL(BUG_func); +EXPORT_SYMBOL(BUG_func); #define CALL_RIP_REL_OPCODE 0xff #define CALL_RIP_REL_MODRM 0x15