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From: Heiko Carstens <hca@linux.ibm.com>
To: Arnd Bergmann <arnd@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Arnd Bergmann <arnd@arndb.de>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will@kernel.org>,
	Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
	"James E.J. Bottomley" <James.Bottomley@hansenpartnership.com>,
	Helge Deller <deller@gmx.de>,
	Michael Ellerman <mpe@ellerman.id.au>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Paul Mackerras <paulus@samba.org>,
	Vasily Gorbik <gor@linux.ibm.com>,
	Christian Borntraeger <borntraeger@de.ibm.com>,
	"David S. Miller" <davem@davemloft.net>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
	x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
	Al Viro <viro@zeniv.linux.org.uk>,
	"Eric W. Biederman" <ebiederm@xmission.com>,
	Christoph Hellwig <hch@infradead.org>,
	Feng Tang <feng.tang@intel.com>,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, linux-mips@vger.kernel.org,
	linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
	linux-s390@vger.kernel.org, sparclinux@vger.kernel.org,
	linux-arch@vger.kernel.org, linux-api@vger.kernel.org,
	linux-mm@kvack.org, Christoph Hellwig <hch@lst.de>
Subject: Re: [PATCH v5 4/6] mm: simplify compat numa syscalls
Date: Tue, 27 Jul 2021 19:27:19 +0200	[thread overview]
Message-ID: <YQBB9yteAwtG2xyp@osiris> (raw)
In-Reply-To: <20210727144859.4150043-5-arnd@kernel.org>

On Tue, Jul 27, 2021 at 04:48:57PM +0200, Arnd Bergmann wrote:
> ---
>  include/linux/compat.h |  17 ++--
>  mm/mempolicy.c         | 175 +++++++++++++----------------------------
>  2 files changed, 63 insertions(+), 129 deletions(-)
...
> +static int get_bitmap(unsigned long *mask, const unsigned long __user *nmask,
> +		      unsigned long maxnode)
> +{
> +	unsigned long nlongs = BITS_TO_LONGS(maxnode);
> +	int ret;
> +
> +	if (in_compat_syscall())
> +		ret = compat_get_bitmap(mask,
> +					(const compat_ulong_t __user *)nmask,
> +					maxnode);

compat_ptr() conversion for e.g. nmask is missing with the next patch
which removes the compat system calls.
Is that intended or am I missing something?

  reply	other threads:[~2021-07-27 17:29 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-27 14:48 [PATCH v5 0/6] compat: remove compat_alloc_user_space Arnd Bergmann
2021-07-27 14:48 ` [PATCH v5 1/6] kexec: move locking into do_kexec_load Arnd Bergmann
2021-07-28 16:09   ` Eric W. Biederman
2021-07-27 14:48 ` [PATCH v5 2/6] kexec: avoid compat_alloc_user_space Arnd Bergmann
2021-07-28 16:10   ` Eric W. Biederman
2021-07-27 14:48 ` [PATCH v5 3/6] mm: simplify compat_sys_move_pages Arnd Bergmann
2021-07-27 14:48 ` [PATCH v5 4/6] mm: simplify compat numa syscalls Arnd Bergmann
2021-07-27 17:27   ` Heiko Carstens [this message]
2021-07-27 17:40     ` Arnd Bergmann
2021-07-27 18:38       ` Heiko Carstens
2021-07-27 18:49         ` Arnd Bergmann
2021-07-27 19:15           ` Heiko Carstens
2021-07-27 14:48 ` [PATCH v5 5/6] compat: remove some compat entry points Arnd Bergmann
2021-07-27 14:48 ` [PATCH v5 6/6] arch: remove compat_alloc_user_space Arnd Bergmann
2021-07-27 15:09   ` Christoph Hellwig
2021-07-27 14:59 ` [PATCH v5 0/6] compat: " Christoph Hellwig
2021-07-27 20:10   ` Andrew Morton
2021-07-27 20:42     ` Arnd Bergmann
2021-07-30  9:49 ` Heiko Carstens
2021-07-30 13:35   ` Arnd Bergmann

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