public inbox for linux-arm-kernel@lists.infradead.org
 help / color / mirror / Atom feed
From: sudaraja@codeaurora.org (Sudarshan Rajagopalan)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] arm64: Log the Fault Status Code (FSC) upon memory aborts
Date: Thu, 25 Oct 2018 17:14:36 -0700	[thread overview]
Message-ID: <1540512876-12011-1-git-send-email-sudaraja@codeaurora.org> (raw)

When decoding the information from ESR on mem faults, log the
FSC value, which is commonly shared for Data and Instruction aborts.

Change-Id: If7d7f6027958864d99dfb7e79d368e82415dce97
Signed-off-by: Sudarshan Rajagopalan <sudaraja@codeaurora.org>
---
 arch/arm64/mm/fault.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/mm/fault.c b/arch/arm64/mm/fault.c
index b8eecc7..e9d07ab 100644
--- a/arch/arm64/mm/fault.c
+++ b/arch/arm64/mm/fault.c
@@ -120,6 +120,7 @@ static void mem_abort_decode(unsigned int esr)
 	pr_alert("  EA = %lu, S1PTW = %lu\n",
 		 (esr & ESR_ELx_EA) >> ESR_ELx_EA_SHIFT,
 		 (esr & ESR_ELx_S1PTW) >> ESR_ELx_S1PTW_SHIFT);
+	pr_alert("  FSC = %lu\n", (esr & ESR_ELx_FSC));
 
 	if (esr_is_data_abort(esr))
 		data_abort_decode(esr);
-- 
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project

             reply	other threads:[~2018-10-26  0:14 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-10-26  0:14 Sudarshan Rajagopalan [this message]
2018-10-26  8:33 ` [PATCH] arm64: Log the Fault Status Code (FSC) upon memory aborts Mark Rutland

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1540512876-12011-1-git-send-email-sudaraja@codeaurora.org \
    --to=sudaraja@codeaurora.org \
    --cc=linux-arm-kernel@lists.infradead.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox