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From: Andrew Donnellan <ajd@linux.ibm.com>
To: "Christopher M. Riedl" <cmr@informatik.wtf>,
	linuxppc-dev@ozlabs.org, kernel-hardening@lists.openwall.com
Subject: Re: [RFC PATCH v4 1/2] powerpc/xmon: Allow listing active breakpoints in read-only mode
Date: Thu, 15 Aug 2019 17:52:54 +1000	[thread overview]
Message-ID: <081d1159-3dd2-4b9b-4936-091ee8cacc6b@linux.ibm.com> (raw)
In-Reply-To: <20190815050616.2547-2-cmr@informatik.wtf>

On 15/8/19 3:06 pm, Christopher M. Riedl wrote:>   	case 'c':
> +		if (xmon_is_ro) {
> +			printf(xmon_ro_msg);
> +			break;
> +		}
>   		if (!scanhex(&a)) {
>   			/* clear all breakpoints */
>   			for (i = 0; i < NBPTS; ++i)

Clearing breakpoints is probably alright too.

-- 
Andrew Donnellan              OzLabs, ADL Canberra
ajd@linux.ibm.com             IBM Australia Limited


  reply	other threads:[~2019-08-15  9:08 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-15  5:06 [RFC PATCH v4 0/2] Restrict xmon when kernel is locked down Christopher M. Riedl
2019-08-15  5:06 ` [RFC PATCH v4 1/2] powerpc/xmon: Allow listing active breakpoints in read-only mode Christopher M. Riedl
2019-08-15  7:52   ` Andrew Donnellan [this message]
2019-08-15  5:06 ` [RFC PATCH v4 2/2] powerpc/xmon: Restrict when kernel is locked down Christopher M. Riedl

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