From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793188866; b=qmw85513bTx8py3ct3dJy9Wez/qb9KsChFffEOZeY9XK40ivZHh1CQNK2e6FEeV+saYO ZQ5yAX105qTtFNioXfajfOVKjjtzafe7R4Rfs2tm4Jfhx3IYwP9U01SyWj9sC9a//nLHb /4Q756DhQpBIdMCZl93ow5G+bC0YT4w4QBbXeIpRBeLmWStvkM2RZFh95DGEmS1R2wKnF R1oysbWWlF7sIBlinun4a02/eHSOB+UQIb5NRdSSQOLW8WaSNgB7xFI3kOprUG/r6MLR8 S+iwJMfjY8eu3BBL+SQDJJMDg8kizhN9c3g2/DWNIS/7KlEXSVUehOGq7HOIujOIa2w== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793188866; h=Received:DKIM-Signature:From:To:Cc:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:MIME-Version:Content-Transfer-Encoding; bh=UF8/PcdXGDq0AIjk8iqXFNbnAyEDR8M0kB8dn6KRodE=; b=h0L4jigIyfnrtqt3oY2ZGntq/Tcj4eRRZTZ+JHBmQbrpYgEo6PgVhNhiAEOctcTTpqJL 8fnPniFfeii1Gk8NfT4jtJmRLodE24f56tim6IVio0PnCHRCZy1GxUiBSBi6rGlx/DZKc z8Tq1O9OYSA57bgbZFbvh/4N0ct0TY00VCM1IhitdRBtM5UPYiK/6CiotReUIfOMNyIUM sbSYVF5QlKsYuu2CnriIK4WlpM6rSMUGjwFZWH/12DStk1nRhhCwXE2zTuNHyA1zgb5ZJ S+cjNdBYyQqS44naFWWB+HzChfr8QSF2Fm1xw0PxSWijqQQMRLgEonf1HO8bWExT3Ug== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=Unhx+WO0; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id AB7E0606A333 for ; Wed, 28 Oct 2026 12:01:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=Unhx+WO0 Received: by smtp.kernel.org (Postfix) with ESMTPSA id 684081F031E1; Wed, 28 Oct 2026 12:01:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1793188865; bh=UF8/PcdXGDq0AIjk8iqXFNbnAyEDR8M0kB8dn6KRodE=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=Unhx+WO0D2UlbtQD/OkS5ahg15A95+tnXTHzM7ff9T8zcLduLKl1shPxYtDnsz72G GOswm/4ueBm8s3s5mQkUPf4X0Iaa0F34HC3Esplo3iJ+1FV60BiXUygA7EastBF6wD CPfgu+QCCWT/3GEJKnBTmXbZ7zlrctjon/sySjSKqW1Qg9gxliDtzAc8frxcuH35Pf Q+8pdeqQHPPmjxvZGFj3aRILt61Fo4bPOK8zn/ZXM8o5y63Zv3q9kwDLsgAzDdEjlZ uilxkI8ETChfUBDZ1zeUm8iQ6wyMCpxJuWd2jE8s2KoJAbkg/QYk9DK/ZNlrhK7RoR BLtyzBxylugdw== From: Sasha Levin To: linux-kernel@vger.kernel.org Cc: Chuck Wolber , Marco Elver , Masami Hiramatsu , Mathieu Desnoyers , Peter Zijlstra , Thomas Gleixner Subject: [RFC PATCH 08/20] rseq: Always inline the empty rseq_note_user_irq_entry() stub Date: Wed, 28 Oct 2026 07:59:32 -0400 Message-ID: <20261028120034.871983-9-sashal@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20261028120034.871983-1-sashal@kernel.org> References: <20261028120034.871983-1-sashal@kernel.org> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit rseq_note_user_irq_entry() is called from noinstr entry code. The CONFIG_RSEQ version is __always_inline, but the !CONFIG_RSEQ stub is a plain static inline function, which the compiler won't inline into noinstr code when building with code coverage instrumentation. Make the stub __always_inline as well. Signed-off-by: Sasha Levin --- include/linux/rseq_entry.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/rseq_entry.h b/include/linux/rseq_entry.h index 31ce349ed42ce..e31f9e625d03d 100644 --- a/include/linux/rseq_entry.h +++ b/include/linux/rseq_entry.h @@ -759,7 +759,7 @@ static __always_inline void rseq_debug_syscall_return(struct pt_regs *regs) __rseq_debug_syscall_return(regs); } #else /* CONFIG_RSEQ */ -static inline void rseq_note_user_irq_entry(void) { } +static __always_inline void rseq_note_user_irq_entry(void) { } static inline bool rseq_exit_to_user_mode_restart(struct pt_regs *regs, unsigned long ti_work) { return false; -- 2.53.0