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 BDCF53D891B; Tue, 16 Jun 2026 06:05:31 +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=1781589932; cv=none; b=G5nKUvrOxpGwxbOPoYuwKC7yOpN8t0b5UqLrfOOuWj/PmZyrZPmLcyDrxwFL7f3UZi00jJAGQky10Z3nmRTNIiaXijwyAKwEXHSZ2qotWlHJ+WAQQq+soVblf2dTjaRSNYJmhvHI+0rGA81B1DD5woqyQ4LtpELd3npnSfS0CiI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781589932; c=relaxed/simple; bh=A4vjL0TeHa+alMq2WSeaQ2WHRDngyLIjjL4ywSsN8oo=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=beakp0JdNboE2gYPljN7p4e8NmOlIyG2R9WVpk7NgxwPh73IcqVMbqK/Ev5hXhLvF6o8u+AXxhC0zJhicB+eL6nrb+Smovyc/MrJsbEFM/PTyLPKh4FdPEVqJaRYDlpDst+dYQNEfsNxLGCL43Dr3JnyNqbuNJCyXugFayVyYl4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=lkvkBgG6; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="lkvkBgG6" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 85C0C1F000E9; Tue, 16 Jun 2026 06:05:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1781589931; bh=0A+/UVjUub362s26e2jsEAjH5zV3cgGnPa4vXTaqxyc=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=lkvkBgG6hL6XPbW0IlwUbEsnh5t8Tyjh1vVi6eIXgk0ocr7xhsS+Hv4IrMM4lD1TW eEXAiIBGk5XXnRL4mXzR9csivCXjx3LswubCPYFug0M2on6zFO/H2ay4Sxd2Njf01E y/XR0/e02BzDNqkHx3lrR7aUzgNtyrNxJMIc2UuY= Date: Tue, 16 Jun 2026 11:29:45 +0530 From: Greg KH To: Enlin Mu Cc: tglx@kernel.org, linux-kernel@vger.kernel.org, enlin.mu@unisoc.com, linux-hardening@vger.kernel.org Subject: Re: [PATCH] genirq: Add the entropy pool function to the PPI interrupt handler Message-ID: <2026061620-unselfish-barber-c467@gregkh> References: <20260616055042.3923-1-enlin.mu@linux.dev> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260616055042.3923-1-enlin.mu@linux.dev> On Tue, Jun 16, 2026 at 01:50:42PM +0800, Enlin Mu wrote: > Accelerate the entropy pool initialization process How? Please explain. > Signed-off-by: Enlin Mu > --- > kernel/irq/chip.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c > index de754db414d1..cbbd7e7d1156 100644 > --- a/kernel/irq/chip.c > +++ b/kernel/irq/chip.c > @@ -926,6 +926,7 @@ void handle_percpu_devid_irq(struct irq_desc *desc) > trace_irq_handler_entry(irq, action); > res = action->handler(irq, raw_cpu_ptr(action->percpu_dev_id)); > trace_irq_handler_exit(irq, action, res); > + add_interrupt_randomness(irq); Are you sure this does anything measurable? thanks, greg k-h