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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Simon Horman , Stephen Rothwell , Linux Next Mailing List , Arnd Bergmann , "linuxppc-dev@lists.ozlabs.org" Subject: Re: [PATCH net-next v2] page_pool: fix build on powerpc with GCC 14 Message-ID: References: <20240913213351.3537411-1-almasrymina@google.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: On 09/13, Matthew Wilcox wrote: > On Fri, Sep 13, 2024 at 02:55:19PM -0700, Stanislav Fomichev wrote: > > On 09/13, Mina Almasry wrote: > > > Building net-next with powerpc with GCC 14 compiler results in this > > > build error: > > > > > > /home/sfr/next/tmp/ccuSzwiR.s: Assembler messages: > > > /home/sfr/next/tmp/ccuSzwiR.s:2579: Error: operand out of domain (39 is > > > not a multiple of 4) > > > make[5]: *** [/home/sfr/next/next/scripts/Makefile.build:229: > > > net/core/page_pool.o] Error 1 > > > > Are we sure this is the only place where we can hit by this? > > It's a compilation error, so yes, we're sure. We also have netmem_compound_head() which does page_to_netmem(compound_head()). Wondering whether we'll eventually hit a similar issue over there.