From mboxrd@z Thu Jan 1 00:00:00 1970 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 AC55A23D2B2; Mon, 29 Dec 2025 16:22:35 +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=1767025355; cv=none; b=IQlTLeLxd4Irzf932RCktEWVOMUyKAh7kBiZKE6KNPbq4QOTYded1pvh37w2GQx3B6MaWCIILmLnhfbE9WxZjqAS1xNunLB/PJt+naja8C30Cew4kTeHCFQajGr8q1twdNUAV0eGdL3q26OT+iIoiT6I4xG5SxAN+HFs7/j6Jfs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767025355; c=relaxed/simple; bh=AC+3CpA4V/C1qrarpPIpXnIl2WDrVqDI1uIQGFf0nkk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=u0kbRa3gsV6OgiCk41Vh1GXlKS+pN5FCKE3Fr3E03IlV0Tr+sHnd3JiMxg3jX5JqSNwCzCUeyBf9GNJhsRLJG+F2vytpm9ophWBx96ipDqzZj/gPo7CxXa4SJQspw9UmhnPkci3hLnATuqjJoIeFAxzjPkRjqAoqeiMgtQjSfvg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=xnEmD/br; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="xnEmD/br" Received: by smtp.kernel.org (Postfix) with ESMTPSA id F1859C4CEF7; Mon, 29 Dec 2025 16:22:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1767025355; bh=AC+3CpA4V/C1qrarpPIpXnIl2WDrVqDI1uIQGFf0nkk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=xnEmD/br5hmbK2EHqzrm8ZicVx6oHKNgMiCjoJd1MOB5HAKwH5ghWpS8B2I//Fecy 7Swhoc0+C8Ir/3yAseddi8adpXhxOusiNH9XBKNK56AgQSnc1yYpMn0uQ2hb+j20ay wZ83IZY4Tk9w0I7DPVfuiyQ1sGmsB4jPIbqGo3Dc= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Tal Zussman , Ingo Molnar , "Steven Rostedt (Google)" , David Hildenbrand , Rik van Riel , Sasha Levin Subject: [PATCH 6.18 167/430] x86/mm/tlb/trace: Export the TLB_REMOTE_WRONG_CPU enum in Date: Mon, 29 Dec 2025 17:09:29 +0100 Message-ID: <20251229160730.509076154@linuxfoundation.org> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20251229160724.139406961@linuxfoundation.org> References: <20251229160724.139406961@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.18-stable review patch. If anyone has any objections, please let me know. ------------------ From: Tal Zussman [ Upstream commit 8b62e64e6d30fa047b3aefb1a36e1f80c8acb3d2 ] When the TLB_REMOTE_WRONG_CPU enum was introduced for the tlb_flush tracepoint, the enum was not exported to user-space. Add it to the appropriate macro definition to enable parsing by userspace tools, as per: Link: https://lore.kernel.org/all/20150403013802.220157513@goodmis.org [ mingo: Capitalize IPI, etc. ] Fixes: 2815a56e4b72 ("x86/mm/tlb: Add tracepoint for TLB flush IPI to stale CPU") Signed-off-by: Tal Zussman Signed-off-by: Ingo Molnar Reviewed-by: Steven Rostedt (Google) Reviewed-by: David Hildenbrand Reviewed-by: Rik van Riel Link: https://patch.msgid.link/20251212-tlb-trace-fix-v2-1-d322e0ad9b69@columbia.edu Signed-off-by: Sasha Levin --- include/trace/events/tlb.h | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/include/trace/events/tlb.h b/include/trace/events/tlb.h index b4d8e7dc38f8..fb8369511685 100644 --- a/include/trace/events/tlb.h +++ b/include/trace/events/tlb.h @@ -12,8 +12,9 @@ EM( TLB_FLUSH_ON_TASK_SWITCH, "flush on task switch" ) \ EM( TLB_REMOTE_SHOOTDOWN, "remote shootdown" ) \ EM( TLB_LOCAL_SHOOTDOWN, "local shootdown" ) \ - EM( TLB_LOCAL_MM_SHOOTDOWN, "local mm shootdown" ) \ - EMe( TLB_REMOTE_SEND_IPI, "remote ipi send" ) + EM( TLB_LOCAL_MM_SHOOTDOWN, "local MM shootdown" ) \ + EM( TLB_REMOTE_SEND_IPI, "remote IPI send" ) \ + EMe( TLB_REMOTE_WRONG_CPU, "remote wrong CPU" ) /* * First define the enums in TLB_FLUSH_REASON to be exported to userspace -- 2.51.0