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Message-Id: <20180616194456.26159-3-mathieu.desnoyers@efficios.com>
Date: Sat, 16 Jun 2018 15:44:56 -0400
From: Mathieu Desnoyers <mathieu.desnoyers@...icios.com>
To: Thomas Gleixner <tglx@...utronix.de>
Cc: linux-kernel@...r.kernel.org,
Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
Joel Fernandes <joelaf@...gle.com>,
Peter Zijlstra <peterz@...radead.org>,
Catalin Marinas <catalin.marinas@....com>,
Dave Watson <davejwatson@...com>,
Will Deacon <will.deacon@....com>,
Shuah Khan <shuahkh@....samsung.com>,
Andi Kleen <andi@...stfloor.org>,
linux-kselftest@...r.kernel.org, "H . Peter Anvin" <hpa@...or.com>,
Chris Lameter <cl@...ux.com>,
Russell King <linux@....linux.org.uk>,
Andrew Hunter <ahh@...gle.com>,
Michael Kerrisk <mtk.manpages@...il.com>,
"Paul E . McKenney" <paulmck@...ux.vnet.ibm.com>,
Paul Turner <pjt@...gle.com>,
Boqun Feng <boqun.feng@...il.com>,
Josh Triplett <josh@...htriplett.org>,
Steven Rostedt <rostedt@...dmis.org>,
Ben Maurer <bmaurer@...com>, linux-api@...r.kernel.org,
Andy Lutomirski <luto@...capital.net>,
Andrew Morton <akpm@...ux-foundation.org>,
Linus Torvalds <torvalds@...ux-foundation.org>
Subject: [RFC PATCH for 4.18 2/2] rseq/selftests: arm: align struct rseq_cs on 32 bytes
uapi/linux/rseq.h aligns struct rseq_cs on 32 bytes. Satisfy this
alignment requirement in its definition within the rseq-arm.h
inline assembly.
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@...icios.com>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: Joel Fernandes <joelaf@...gle.com>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Catalin Marinas <catalin.marinas@....com>
Cc: Dave Watson <davejwatson@...com>
Cc: Will Deacon <will.deacon@....com>
Cc: Shuah Khan <shuahkh@....samsung.com>
Cc: Andi Kleen <andi@...stfloor.org>
Cc: linux-kselftest@...r.kernel.org
Cc: "H . Peter Anvin" <hpa@...or.com>
Cc: Chris Lameter <cl@...ux.com>
Cc: Russell King <linux@....linux.org.uk>
Cc: Andrew Hunter <ahh@...gle.com>
Cc: Michael Kerrisk <mtk.manpages@...il.com>
Cc: "Paul E . McKenney" <paulmck@...ux.vnet.ibm.com>
Cc: Paul Turner <pjt@...gle.com>
Cc: Boqun Feng <boqun.feng@...il.com>
Cc: Josh Triplett <josh@...htriplett.org>
Cc: Steven Rostedt <rostedt@...dmis.org>
Cc: Ben Maurer <bmaurer@...com>
Cc: linux-api@...r.kernel.org
Cc: Andy Lutomirski <luto@...capital.net>
Cc: Andrew Morton <akpm@...ux-foundation.org>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
---
tools/testing/selftests/rseq/rseq-arm.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/tools/testing/selftests/rseq/rseq-arm.h b/tools/testing/selftests/rseq/rseq-arm.h
index 3b055f9aeaab..3cea19877227 100644
--- a/tools/testing/selftests/rseq/rseq-arm.h
+++ b/tools/testing/selftests/rseq/rseq-arm.h
@@ -57,6 +57,7 @@ do { \
#define __RSEQ_ASM_DEFINE_ABORT(table_label, label, teardown, \
abort_label, version, flags, \
start_ip, post_commit_offset, abort_ip) \
+ ".balign 32\n\t" \
__rseq_str(table_label) ":\n\t" \
".word " __rseq_str(version) ", " __rseq_str(flags) "\n\t" \
".word " __rseq_str(start_ip) ", 0x0, " __rseq_str(post_commit_offset) ", 0x0, " __rseq_str(abort_ip) ", 0x0\n\t" \
--
2.11.0
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