From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org, linux-api@vger.kernel.org,
Peter Zijlstra <peterz@infradead.org>,
"Paul E . McKenney" <paulmck@linux.vnet.ibm.com>,
Boqun Feng <boqun.feng@gmail.com>,
Andy Lutomirski <luto@amacapital.net>,
Dave Watson <davejwatson@fb.com>, Paul Turner <pjt@google.com>,
Andrew Morton <akpm@linux-foundation.org>,
Russell King <linux@arm.linux.org.uk>,
Ingo Molnar <mingo@redhat.com>, "H . Peter Anvin" <hpa@zytor.com>,
Andi Kleen <andi@firstfloor.org>, Chris Lameter <cl@linux.com>,
Ben Maurer <bmaurer@fb.com>, Steven Rostedt <rostedt@goodmis.org>,
Josh Triplett <josh@joshtriplett.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will.deacon@arm.com>,
Michael Kerrisk <mtk.manpages@gmail.com>,
Joel Fernandes <joelaf@google.com>,
Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
Shuah Khan <shuahkh@osg.samsung.com>,
linux-kselftest@vger.kernel.org, Andrew Hunter <ahh@google.com>
Subject: [PATCH for 4.18 2/3] rseq/selftests: arm: align struct rseq_cs on 32 bytes
Date: Tue, 19 Jun 2018 09:32:29 -0400 [thread overview]
Message-ID: <20180619133230.4087-3-mathieu.desnoyers@efficios.com> (raw)
In-Reply-To: <20180619133230.4087-1-mathieu.desnoyers@efficios.com>
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@efficios.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Joel Fernandes <joelaf@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Dave Watson <davejwatson@fb.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Shuah Khan <shuahkh@osg.samsung.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: linux-kselftest@vger.kernel.org
Cc: "H . Peter Anvin" <hpa@zytor.com>
Cc: Chris Lameter <cl@linux.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Andrew Hunter <ahh@google.com>
Cc: Michael Kerrisk <mtk.manpages@gmail.com>
Cc: "Paul E . McKenney" <paulmck@linux.vnet.ibm.com>
Cc: Paul Turner <pjt@google.com>
Cc: Boqun Feng <boqun.feng@gmail.com>
Cc: Josh Triplett <josh@joshtriplett.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Ben Maurer <bmaurer@fb.com>
Cc: linux-api@vger.kernel.org
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Linus Torvalds <torvalds@linux-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
WARNING: multiple messages have this Message-ID (diff)
From: mathieu.desnoyers at efficios.com (Mathieu Desnoyers)
Subject: [PATCH for 4.18 2/3] rseq/selftests: arm: align struct rseq_cs on 32 bytes
Date: Tue, 19 Jun 2018 09:32:29 -0400 [thread overview]
Message-ID: <20180619133230.4087-3-mathieu.desnoyers@efficios.com> (raw)
In-Reply-To: <20180619133230.4087-1-mathieu.desnoyers@efficios.com>
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 at efficios.com>
Cc: Thomas Gleixner <tglx at linutronix.de>
Cc: Joel Fernandes <joelaf at google.com>
Cc: Peter Zijlstra <peterz at infradead.org>
Cc: Catalin Marinas <catalin.marinas at arm.com>
Cc: Dave Watson <davejwatson at fb.com>
Cc: Will Deacon <will.deacon at arm.com>
Cc: Shuah Khan <shuahkh at osg.samsung.com>
Cc: Andi Kleen <andi at firstfloor.org>
Cc: linux-kselftest at vger.kernel.org
Cc: "H . Peter Anvin" <hpa at zytor.com>
Cc: Chris Lameter <cl at linux.com>
Cc: Russell King <linux at arm.linux.org.uk>
Cc: Andrew Hunter <ahh at google.com>
Cc: Michael Kerrisk <mtk.manpages at gmail.com>
Cc: "Paul E . McKenney" <paulmck at linux.vnet.ibm.com>
Cc: Paul Turner <pjt at google.com>
Cc: Boqun Feng <boqun.feng at gmail.com>
Cc: Josh Triplett <josh at joshtriplett.org>
Cc: Steven Rostedt <rostedt at goodmis.org>
Cc: Ben Maurer <bmaurer at fb.com>
Cc: linux-api at vger.kernel.org
Cc: Andy Lutomirski <luto at amacapital.net>
Cc: Andrew Morton <akpm at linux-foundation.org>
Cc: Linus Torvalds <torvalds at linux-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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the body of a message to majordomo at vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
WARNING: multiple messages have this Message-ID (diff)
From: mathieu.desnoyers@efficios.com (Mathieu Desnoyers)
Subject: [PATCH for 4.18 2/3] rseq/selftests: arm: align struct rseq_cs on 32 bytes
Date: Tue, 19 Jun 2018 09:32:29 -0400 [thread overview]
Message-ID: <20180619133230.4087-3-mathieu.desnoyers@efficios.com> (raw)
Message-ID: <20180619133229.CZH1IH8LuZnIuLSqCPUAjeLolXDoAW6tQxDBPvE4iqE@z> (raw)
In-Reply-To: <20180619133230.4087-1-mathieu.desnoyers@efficios.com>
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 at efficios.com>
Cc: Thomas Gleixner <tglx at linutronix.de>
Cc: Joel Fernandes <joelaf at google.com>
Cc: Peter Zijlstra <peterz at infradead.org>
Cc: Catalin Marinas <catalin.marinas at arm.com>
Cc: Dave Watson <davejwatson at fb.com>
Cc: Will Deacon <will.deacon at arm.com>
Cc: Shuah Khan <shuahkh at osg.samsung.com>
Cc: Andi Kleen <andi at firstfloor.org>
Cc: linux-kselftest at vger.kernel.org
Cc: "H . Peter Anvin" <hpa at zytor.com>
Cc: Chris Lameter <cl at linux.com>
Cc: Russell King <linux at arm.linux.org.uk>
Cc: Andrew Hunter <ahh at google.com>
Cc: Michael Kerrisk <mtk.manpages at gmail.com>
Cc: "Paul E . McKenney" <paulmck at linux.vnet.ibm.com>
Cc: Paul Turner <pjt at google.com>
Cc: Boqun Feng <boqun.feng at gmail.com>
Cc: Josh Triplett <josh at joshtriplett.org>
Cc: Steven Rostedt <rostedt at goodmis.org>
Cc: Ben Maurer <bmaurer at fb.com>
Cc: linux-api at vger.kernel.org
Cc: Andy Lutomirski <luto at amacapital.net>
Cc: Andrew Morton <akpm at linux-foundation.org>
Cc: Linus Torvalds <torvalds at linux-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
--
To unsubscribe from this list: send the line "unsubscribe linux-kselftest" in
the body of a message to majordomo at vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
WARNING: multiple messages have this Message-ID (diff)
From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org, linux-api@vger.kernel.org,
Peter Zijlstra <peterz@infradead.org>,
"Paul E . McKenney" <paulmck@linux.vnet.ibm.com>,
Boqun Feng <boqun.feng@gmail.com>,
Andy Lutomirski <luto@amacapital.net>,
Dave Watson <davejwatson@fb.com>, Paul Turner <pjt@google.com>,
Andrew Morton <akpm@linux-foundation.org>,
Russell King <linux@arm.linux.org.uk>,
Ingo Molnar <mingo@redhat.com>, "H . Peter Anvin" <hpa@zytor.com>,
Andi Kleen <andi@firstfloor.org>, Chris Lameter <cl@linux.com>,
Ben Maurer <bmaurer@fb.com>, Steven Rostedt <rostedt@goodmis.org>,
Josh Triplett <josh@joshtriplett.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will.deacon@arm.com>,
Michael Kerrisk <mtk.manpages@g>
Subject: [PATCH for 4.18 2/3] rseq/selftests: arm: align struct rseq_cs on 32 bytes
Date: Tue, 19 Jun 2018 09:32:29 -0400 [thread overview]
Message-ID: <20180619133230.4087-3-mathieu.desnoyers@efficios.com> (raw)
In-Reply-To: <20180619133230.4087-1-mathieu.desnoyers@efficios.com>
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@efficios.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Joel Fernandes <joelaf@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Dave Watson <davejwatson@fb.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Shuah Khan <shuahkh@osg.samsung.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: linux-kselftest@vger.kernel.org
Cc: "H . Peter Anvin" <hpa@zytor.com>
Cc: Chris Lameter <cl@linux.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Andrew Hunter <ahh@google.com>
Cc: Michael Kerrisk <mtk.manpages@gmail.com>
Cc: "Paul E . McKenney" <paulmck@linux.vnet.ibm.com>
Cc: Paul Turner <pjt@google.com>
Cc: Boqun Feng <boqun.feng@gmail.com>
Cc: Josh Triplett <josh@joshtriplett.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Ben Maurer <bmaurer@fb.com>
Cc: linux-api@vger.kernel.org
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Linus Torvalds <torvalds@linux-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
next prev parent reply other threads:[~2018-06-19 13:33 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-19 13:32 [PATCH for 4.18 0/3] rseq: minor fixes, cleanup Mathieu Desnoyers
2018-06-19 13:32 ` Mathieu Desnoyers
2018-06-19 13:32 ` [PATCH for 4.18 1/3] rseq/selftests: run_param_test.sh should be executable Mathieu Desnoyers
2018-06-19 13:32 ` Mathieu Desnoyers
2018-06-19 13:32 ` Mathieu Desnoyers
2018-06-19 13:32 ` mathieu.desnoyers
2018-06-19 13:32 ` Mathieu Desnoyers [this message]
2018-06-19 13:32 ` [PATCH for 4.18 2/3] rseq/selftests: arm: align struct rseq_cs on 32 bytes Mathieu Desnoyers
2018-06-19 13:32 ` Mathieu Desnoyers
2018-06-19 13:32 ` mathieu.desnoyers
2018-06-19 13:32 ` [PATCH for 4.18 3/3] rseq: cleanup: no need to abort rseq c.s. in child on fork Mathieu Desnoyers
2018-06-19 13:32 ` Mathieu Desnoyers
2018-06-19 13:32 ` Mathieu Desnoyers
2018-06-19 13:32 ` mathieu.desnoyers
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