From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 860504B337E for ; Tue, 15 Sep 2026 16:54:14 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789491255; cv=none; b=aI3+kmIqtQmF4TUY6UtX8fldLqRJSI9dcd3eoT5FmPvsOWeMBvYh0CngJjCjvNS5Eoy52M6zZ31S2X50NX7jVUq1In9hQvbwuT/1R5j1LYyvCE+dx/5jdMoCQG4+U3DNVrN4Uy0xBWD3krrkGrwz07y1Wu8Yapy5N+GUHLGtRjc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789491255; c=relaxed/simple; bh=7lQdceQEdvNvvXX2CI1Kaonl5TZf3J9+900uuOrpBIE=; h=Date:Message-ID:From:To:Cc:Subject:In-Reply-To:References; b=W2jbKKZ3AuEWNYSuCb535+XvuEF7XiWXC0lWZR2qqO4cIbDgmNONMFBrwpEj1WuYMdpaDkDudfff3x9g3PYW+4IAc7SyCgq//rgPZTmMW5gtEL8a14OS/tCOpOJvYrNFKIK3DFTMXWkXMcPvBmJRP7aiFAolPI2EjB+sR1plwRY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=V0Bodanb; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="V0Bodanb" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 05D951F000FF; Tue, 15 Sep 2026 16:54:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1789491254; bh=7lQdceQEdvNvvXX2CI1Kaonl5TZf3J9+900uuOrpBIE=; h=Date:From:To:Cc:Subject:In-Reply-To:References; b=V0BodanbndwejhZh0Fbrl1cLKifV123ZUYdqitInQYSx2XKBPk3b2eT0zsIw6Wddo si6OVQpcGUHXe3h+OdQDiZzbCkRSDbtyIhyjVh+oVVAJSIJRZO8918NGIrdqbM+TA5 IpFlujjwvUC+jQz3IRbrtV6dSd/HL1zW4pFGYAt+BvvxCl0Q5CSMeSPfBUaRM1e+pN jxtX0MHh0+yI1GrK+js7TK3JK9roUpkxvwzfZZy7H9FwZrFI88bj3SpX2ctgBErJSD HQaTlr8FUVEYK3n/ke8TDqOETXwFHia8lZ/NOtTy2anZ8T+DGjhhHQtw7xqttHkmDs a63K2aT+ykSFw== Date: Tue, 15 Sep 2026 06:54:12 -1000 Message-ID: From: Tejun Heo To: sashiko-bot@kernel.org Cc: Tejun Heo , sched-ext@lists.linux.dev Subject: Re: [PATCH 2/2] sched_ext: Maintain an online cid mask in the scheduler arena In-Reply-To: <20260915085819.5DB991F000FF@smtp.kernel.org> References: <20260915082725.3881071-1-tj@kernel.org> <20260915082725.3881071-3-tj@kernel.org> <20260915085819.5DB991F000FF@smtp.kernel.org> Precedence: bulk X-Mailing-List: sched-ext@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: On Tue, Sep 15, 2026 at 08:58:18AM +0000, sashiko-bot@kernel.org wrote: > Does casting mask->bits to an unsigned long pointer corrupt the bitmask > layout on 32-bit big-endian architectures? The mask is only allocated for schedulers with an arena and BPF arena support is 64bit only, so unsigned long is always 64bit here. Thanks. -- tejun