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Donenfeld" To: Andy Shevchenko Cc: Linus Torvalds , Kees Cook , Alexey Dobriyan , akpm@linux-foundation.org, linux-kernel@vger.kernel.org, mm-commits@vger.kernel.org, masahiroy@kernel.org, gregkh@linuxfoundation.org, Stephen Rothwell Subject: Re: [PATCH -mm] -funsigned-char, x86: make struct p4_event_bind::cntr signed array Message-ID: References: <20221020000356.177CDC433C1@smtp.kernel.org> <202210201151.ECC19BC97A@keescook> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: X-Spam-Status: No, score=-6.7 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, RCVD_IN_DNSWL_HI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Oct 21, 2022 at 12:34:37AM +0300, Andy Shevchenko wrote: > On Thu, Oct 20, 2022 at 01:17:33PM -0700, Linus Torvalds wrote: > > On Thu, Oct 20, 2022 at 12:39 PM Linus Torvalds > > wrote: > > ... > > > And in some cases the differences are enormous: > > > > - drivers/net/wireless/ralink/rt2x00/rt2800lib.c generates a 220kB diff > > > > which seems to be due to entirely different inlining decisions or > > something, and the differences are so enormous that I didn't even > > start looking at the cause. > > This one is what we start the epopee from. I think Jason handled it in his last > patch against this certain driver. Right, and Kale is taking it for 6.1, because it fixes existing breakage on ARM. But it's not broken on x86 with -funsigned-char. Jason