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Sat, 28 Feb 2026 08:33:31 +0000 Date: Sat, 28 Feb 2026 09:33:31 +0100 Message-ID: <87a4wt6zdw.wl-tiwai@suse.de> From: Takashi Iwai To: Christophe JAILLET Cc: Johannes Berg , Jaroslav Kysela , Takashi Iwai , linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-sound@vger.kernel.org Subject: Re: [PATCH v1] ALSA: aoa: Constify struct codec_connection In-Reply-To: <4009c337cc1a1a57795562279270c03687973b3b.1772138640.git.christophe.jaillet@wanadoo.fr> References: <4009c337cc1a1a57795562279270c03687973b3b.1772138640.git.christophe.jaillet@wanadoo.fr> User-Agent: Wanderlust/2.15.9 (Almost Unreal) Emacs/30.2 Mule/6.0 X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , List-Unsubscribe: Precedence: list MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=US-ASCII X-Rspamd-Action: no action X-Rspamd-Server: rspamd2.dmz-prg2.suse.org X-Spamd-Result: default: False [-3.51 / 50.00]; BAYES_HAM(-3.00)[99.99%]; MID_CONTAINS_FROM(1.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; R_DKIM_ALLOW(-0.20)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; NEURAL_HAM_SHORT(-0.20)[-0.999]; MIME_GOOD(-0.10)[text/plain]; MX_GOOD(-0.01)[]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; FREEMAIL_TO(0.00)[wanadoo.fr]; FUZZY_RATELIMITED(0.00)[rspamd.com]; ARC_NA(0.00)[]; RBL_SPAMHAUS_BLOCKED_OPENRESOLVER(0.00)[2a07:de40:b281:104:10:150:64:97:from]; TO_DN_SOME(0.00)[]; MIME_TRACE(0.00)[0:+]; TO_MATCH_ENVRCPT_ALL(0.00)[]; FREEMAIL_ENVRCPT(0.00)[wanadoo.fr]; RCVD_TLS_ALL(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; SPAMHAUS_XBL(0.00)[2a07:de40:b281:104:10:150:64:97:from]; RCPT_COUNT_SEVEN(0.00)[8]; RCVD_VIA_SMTP_AUTH(0.00)[]; RECEIVED_SPAMHAUS_BLOCKED_OPENRESOLVER(0.00)[2a07:de40:b281:106:10:150:64:167:received]; DKIM_TRACE(0.00)[suse.de:+]; DBL_BLOCKED_OPENRESOLVER(0.00)[suse.de:dkim,suse.de:mid,imap1.dmz-prg2.suse.org:helo,imap1.dmz-prg2.suse.org:rdns] X-Rspamd-Queue-Id: ACD6A3F8E7 On Thu, 26 Feb 2026 21:44:10 +0100, Christophe JAILLET wrote: > > 'struct codec_connection' are not modified in this driver. > > Constifying these structures moves some data to a read-only section, so > increases overall security. > > On a x86_64, with allmodconfig: > Before: > ====== > text data bss dec hex filename > 10034 3392 12 13438 347e sound/aoa/fabrics/layout.o > > After: > ===== > text data bss dec hex filename > 10370 3040 12 13422 346e sound/aoa/fabrics/layout.o > > Signed-off-by: Christophe JAILLET > --- > Compile tested only. > > The fabric_data field in struct aoa_codecis is only used in > sound/aoa/fabrics/layout.c, so there should be no side effect for other > files that include sound/aoa/aoa.h Applied to for-next branch now. Thanks. Takashi