From nobody Sun Feb 8 06:56:03 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 DC2467081A; Fri, 26 Dec 2025 13:51:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766757062; cv=none; b=gV7KqU/gNoVB318VJPv8iV3Nif2m+1pS+591ATH+uWxH4xtuhLWU5decwBA26U0sLmrJqiaHWQHLoRHCfdyQE9Zr1wheoiKjNofOussa0aUj0Z5JUqc6BS5VGGIsg3Gio0tguVrhDc3B37W85X2f4AlqQhLSQE+vcZrOx3p6Uo8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766757062; c=relaxed/simple; bh=qJaLrHzR1qlARbbGW+Q9FWuH59m2iT5wrPIchlfSNts=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version:Content-Type; b=LZWnCoULEiRPwvFs+Hp8xtdop7x9J56j0dO0Ow594awucEfDStNQjdKPmomvIco6PpvF+3sFj2M0UvMbSxCh3TYVcnm9Z3nSdK6d8VQ9Tz1a6757Z7WmHAVfESkVIMUcAZpFe48ucIzauhnlxWIB79waRj73YFhC8i4SdEEAp+Y= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=dfMQKgpz; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="dfMQKgpz" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9EB11C4CEF7; Fri, 26 Dec 2025 13:50:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1766757060; bh=qJaLrHzR1qlARbbGW+Q9FWuH59m2iT5wrPIchlfSNts=; h=From:To:Cc:Subject:Date:From; b=dfMQKgpzfAx6rReMb7YMPflRbP8blFixMCBvoWGCdJg3GFGKmCFDyLQTz0Mk8vZaS XPek+q2PG6Qah3CGTjM6QaeEZgbSCbtgDvrMytsAmaXcI9uhaZA88q7V29DnfnsX/o SxgsvqHSgf3nDEMAar895QiQM+6F+ti/5wBIQyxXkAb/n+AwfIGM4VwnxHg3bepicz w2KyZAq3rKDY9jo7ESAtHzBzqy0QzoISGEFS96F7moZLJVWIiT2XCSbLX3p9fUAJtX ANXiFv73lIu3ACjHCXLlPyhAtovNuauzVaMmrWPTTLf+Wjch27W5xVW9apvhSWHbHr xuodvYkNQa1mw== From: "Rafael J. Wysocki" To: Linux PM Cc: LKML , Sebastian Reichel , Riwen Lu Subject: [PATCH v1] PM: sleep: Fix suspend_test() at the TEST_CORE level Date: Fri, 26 Dec 2025 14:50:57 +0100 Message-ID: <6251576.lOV4Wx5bFT@rafael.j.wysocki> Organization: Linux Kernel Development Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Rafael J. Wysocki Commit a10ad1b10402 ("PM: suspend: Make pm_test delay interruptible by wakeup events") replaced mdelay() in suspend_test() with msleep() which does not work at the TEST_CORE test level that calls suspend_test() while running on one CPU with interrupts off. Address this by making suspend_test() check if the test level is suitable for using msleep() and use mdelay() otherwise. Fixes: a10ad1b10402 ("PM: suspend: Make pm_test delay interruptible by wake= up events") Reported-by: Sebastian Reichel Closes: https://lore.kernel.org/linux-pm/aUsAk0k1N9hw8IkY@venus/ Signed-off-by: Rafael J. Wysocki Tested-by: Sebastian Reichel --- kernel/power/suspend.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) --- a/kernel/power/suspend.c +++ b/kernel/power/suspend.c @@ -349,9 +349,12 @@ static int suspend_test(int level) if (pm_test_level =3D=3D level) { pr_info("suspend debug: Waiting for %d second(s).\n", pm_test_delay); - for (i =3D 0; i < pm_test_delay && !pm_wakeup_pending(); i++) - msleep(1000); - + for (i =3D 0; i < pm_test_delay && !pm_wakeup_pending(); i++) { + if (level > TEST_CORE) + msleep(1000); + else + mdelay(1000); + } return 1; } #endif /* !CONFIG_PM_DEBUG */