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From: sboyd@codeaurora.org (Stephen Boyd)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v3 5/7] arm: kgdb: Handle read-only text / modules
Date: Tue, 12 Aug 2014 12:38:12 -0700	[thread overview]
Message-ID: <53EA6D24.3000609@codeaurora.org> (raw)
In-Reply-To: <1407867869-5194-6-git-send-email-keescook@chromium.org>

On 08/12/14 11:24, Kees Cook wrote:
> @@ -244,6 +248,32 @@ void kgdb_arch_exit(void)
>  	unregister_die_notifier(&kgdb_notifier);
>  }
>  
> +int kgdb_arch_set_breakpoint(struct kgdb_bkpt *bpt)
> +{
> +	int err;
> +
> +	/* patch_text() only supports int-sized breakpoints */
> +	if (sizeof(int) != BREAK_INSTR_SIZE)
> +		return -EINVAL;

Could this be a BUILD_BUG_ON too?

-- 
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
hosted by The Linux Foundation

  reply	other threads:[~2014-08-12 19:38 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-08-12 18:24 [PATCH v3 0/7] arm: support CONFIG_RODATA Kees Cook
2014-08-12 18:24 ` [PATCH v3 1/7] arm: use generic fixmap.h Kees Cook
2014-08-12 19:38   ` Kees Cook
2014-08-12 18:24 ` [PATCH v3 2/7] arm: fixmap: implement __set_fixmap() Kees Cook
2014-08-12 18:24 ` [PATCH v3 3/7] arm: use fixmap for text patching when text is RO Kees Cook
2014-08-12 21:39   ` Stephen Boyd
2014-08-12 21:47     ` Kees Cook
2014-08-13  0:27       ` Stephen Boyd
2014-08-13  2:39         ` Kees Cook
2014-08-12 18:24 ` [PATCH v3 4/7] ARM: kexec: Make .text R/W in machine_kexec Kees Cook
2014-08-12 18:24 ` [PATCH v3 5/7] arm: kgdb: Handle read-only text / modules Kees Cook
2014-08-12 19:38   ` Stephen Boyd [this message]
2014-08-12 19:40     ` Kees Cook
2014-08-12 18:24 ` [PATCH v3 6/7] ARM: mm: allow non-text sections to be non-executable Kees Cook
2014-08-12 18:24 ` [PATCH v3 7/7] ARM: mm: allow text and rodata sections to be read-only Kees Cook

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