linux-kernel - Re: [PATCH 2/2] uprobes/powerpc: Make use of generic routines to enable single step

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Mon, 26 Nov 2012 18:01:35 +0100
From:	Oleg Nesterov <oleg@...hat.com>
To:	"Suzuki K. Poulose" <suzuki@...ibm.com>
Cc:	bigeasy@...utronix.de, ananth@...ibm.com,
	srikar@...ux.vnet.ibm.com, peterz@...radead.org,
	benh@...nel.crashing.org, mingo@...e.hu, anton@...hat.com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] uprobes/powerpc: Make use of generic routines to
	enable single step

On 11/26, Suzuki K. Poulose wrote:
>
> @@ -121,8 +125,11 @@ int arch_uprobe_post_xol(struct arch_uprobe *auprobe, struct pt_regs *regs)
>  	 * to be executed.
>  	 */
>  	regs->nip = utask->vaddr + MAX_UINSN_BYTES;
> +	regs->msr = utask->autask.saved_msr;
> +#ifdef CONFIG_PPC_ADV_DEBUG_REGS
> +	mtspr(SPRN_DBCR0, utask->autask.saved_dbcr);
> +#endif
>  
> -	user_disable_single_step(current);

Don't we need the same change in arch_uprobe_abort_xol() ?

Oleg.

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/