From mboxrd@z Thu Jan 1 00:00:00 1970 From: Greg Ungerer Date: Tue, 12 May 2020 14:46:55 +0000 Subject: Re: [PATCH 29/31] binfmt_flat: use flush_icache_user_range Message-Id: <484af2c0-2450-b40a-8322-e691495c45aa@linux-m68k.org> List-Id: References: <20200510075510.987823-1-hch@lst.de> <20200510075510.987823-30-hch@lst.de> In-Reply-To: <20200510075510.987823-30-hch@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Christoph Hellwig , Andrew Morton , Arnd Bergmann , Roman Zippel Cc: Jessica Yu , Michal Simek , x86@kernel.org, linux-alpha@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-c6x-dev@linux-c6x.org, linux-hexagon@vger.kernel.org, linux-ia64@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, openrisc@lists.librecores.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-arch@vger.kernel.org, linux-mm@kvack.org, linux-um@lists.infradead.org, linux-xtensa@linux-xtensa.org, linux-fsdevel@vger.kernel.org Hi Christoph, On 10/5/20 5:55 pm, Christoph Hellwig wrote: > load_flat_file works on user addresses. > > Signed-off-by: Christoph Hellwig Acked-by: Greg Ungerer Regards Greg > --- > fs/binfmt_flat.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/fs/binfmt_flat.c b/fs/binfmt_flat.c > index 831a2b25ba79f..6f0aca5379da2 100644 > --- a/fs/binfmt_flat.c > +++ b/fs/binfmt_flat.c > @@ -854,7 +854,7 @@ static int load_flat_file(struct linux_binprm *bprm, > #endif /* CONFIG_BINFMT_FLAT_OLD */ > } > > - flush_icache_range(start_code, end_code); > + flush_icache_user_range(start_code, end_code); > > /* zero the BSS, BRK and stack areas */ > if (clear_user((void __user *)(datapos + data_len), bss_len + >