Date: Mon, 24 May 2021 17:33:24 -0300 From: Matheus Castanho <msc@...ux.ibm.com> To: Matheus Castanho <msc@...ux.ibm.com> Cc: "Dmitry V. Levin" <ldv@...linux.org>, Florian Weimer <fweimer@...hat.com>, Matheus Castanho via Libc-alpha <libc-alpha@...rceware.org>, linux-api@...r.kernel.org, musl@...ts.openwall.com, Nicholas Piggin <npiggin@...il.com>, libc-dev@...ts.llvm.org, linuxppc-dev@...ts.ozlabs.org Subject: Re: Linux powerpc new system call instruction and ABI Matheus Castanho <msc@...ux.ibm.com> writes: > Dmitry V. Levin <ldv@...linux.org> writes: > >> On Fri, May 21, 2021 at 05:00:36PM -0300, Matheus Castanho wrote: >>> Florian Weimer <fweimer@...hat.com> writes: >>> > * Matheus Castanho via Libc-alpha: >>> >> From: Nicholas Piggin <npiggin@...il.com> >>> >> Subject: [PATCH 1/1] powerpc: Fix handling of scv return error codes >>> >> >>> >> When using scv on templated ASM syscalls, current code interprets any >>> >> negative return value as error, but the only valid error codes are in >>> >> the range -4095..-1 according to the ABI. >>> >> >>> >> Reviewed-by: Matheus Castanho <msc@...ux.ibm.com> >>> > >>> > Please reference bug 27892 in the commit message. I'd also appreciate a >>> > backport to the 2.33 release branch (where you need to add NEWS manually >>> > to add the bug reference). >>> >>> No problem. [BZ #27892] appended to the commit title. I'll make sure to >>> backport to 2.33 as well. >> >> Could you also mention in the commit message that the change fixes >> 'signal.gen.test' strace test where it was observed initially? > > Sure, no problem. I'll commit it later today. Since the patch falls into the less-than-15-LOC category and this is Nick's first contribution to glibc, looks like he doesn't need a copyright assignment. Pushed to master as 7de36744ee1325f35d3fe0ca079dd33c40b12267 Backported to 2.33 via commit 0ef0e6de7fdfa18328b09ba2afb4f0112d4bdab4 Thanks, Matheus Castanho
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