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From: Florian Weimer <fweimer@redhat.com>
To: Ram Pai <linuxram@us.ibm.com>
Cc: dave.hansen@linux.intel.com, mhocko@kernel.org,
	Ulrich.Weigand@de.ibm.com, bauerman@linux.vnet.ibm.com,
	msuchanek@suse.de, linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH] powerpc/pkeys: copy pkey-tracking-information at fork()
Date: Tue, 04 Dec 2018 14:00:07 +0100	[thread overview]
Message-ID: <87r2exih0o.fsf@oldenburg2.str.redhat.com> (raw)
In-Reply-To: <1543869802-15372-1-git-send-email-linuxram@us.ibm.com> (Ram Pai's message of "Mon, 3 Dec 2018 12:43:22 -0800")

* Ram Pai:

> +void arch_dup_pkeys(struct mm_struct *oldmm, struct mm_struct *mm)
> +{
> +	/* Duplicate the oldmm pkey state in mm: */
> +	mm_pkey_allocation_map(mm) = mm_pkey_allocation_map(oldmm);
> +	mm->context.execute_only_pkey = oldmm->context.execute_only_pkey;
> +}

Looks reasonable to me.

Thanks,
Florian (who is not a kernel developer though)

  parent reply	other threads:[~2018-12-04 13:04 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-12-03 20:43 [PATCH] powerpc/pkeys: copy pkey-tracking-information at fork() Ram Pai
2018-12-04  0:37 ` Thiago Jung Bauermann
2018-12-04 13:00 ` Florian Weimer [this message]
2018-12-20 13:19 ` Michael Ellerman
2018-12-20 19:01   ` Ram Pai
2018-12-20 20:03   ` [PATCH v2] " Ram Pai
2018-12-21  0:55     ` Michael Ellerman
2018-12-23 13:28     ` [v2] " Michael Ellerman

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