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Date: Thu, 03 Feb 2022 14:33:47 -0000
From: "tip-bot2 for Mathieu Desnoyers" <tip-bot2@...utronix.de>
To: linux-tip-commits@...r.kernel.org
Cc: Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
"Peter Zijlstra (Intel)" <peterz@...radead.org>, x86@...nel.org,
linux-kernel@...r.kernel.org
Subject: [tip: sched/core] selftests/rseq: Fix ppc32: wrong rseq_cs 32-bit
field pointer on big endian
The following commit has been merged into the sched/core branch of tip:
Commit-ID: 24d1136a29da5953de5c0cbc6c83eb62a1e0bf14
Gitweb: https://git.kernel.org/tip/24d1136a29da5953de5c0cbc6c83eb62a1e0bf14
Author: Mathieu Desnoyers <mathieu.desnoyers@...icios.com>
AuthorDate: Mon, 24 Jan 2022 12:12:46 -05:00
Committer: Peter Zijlstra <peterz@...radead.org>
CommitterDate: Wed, 02 Feb 2022 13:11:35 +01:00
selftests/rseq: Fix ppc32: wrong rseq_cs 32-bit field pointer on big endian
ppc32 incorrectly uses padding as rseq_cs pointer field. Fix this by
using the rseq_cs.arch.ptr field.
Use this field across all architectures.
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@...icios.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>
Link: https://lkml.kernel.org/r/20220124171253.22072-9-mathieu.desnoyers@efficios.com
---
tools/testing/selftests/rseq/rseq-arm.h | 16 ++++++++--------
tools/testing/selftests/rseq/rseq-arm64.h | 16 ++++++++--------
tools/testing/selftests/rseq/rseq-mips.h | 16 ++++++++--------
tools/testing/selftests/rseq/rseq-ppc.h | 16 ++++++++--------
tools/testing/selftests/rseq/rseq-s390.h | 12 ++++++------
5 files changed, 38 insertions(+), 38 deletions(-)
diff --git a/tools/testing/selftests/rseq/rseq-arm.h b/tools/testing/selftests/rseq/rseq-arm.h
index 6716540..5f567b3 100644
--- a/tools/testing/selftests/rseq/rseq-arm.h
+++ b/tools/testing/selftests/rseq/rseq-arm.h
@@ -186,7 +186,7 @@ int rseq_cmpeqv_storev(intptr_t *v, intptr_t expect, intptr_t newv, int cpu)
: /* gcc asm goto does not allow outputs */
: [cpu_id] "r" (cpu),
[current_cpu_id] "m" (rseq_get_abi()->cpu_id),
- [rseq_cs] "m" (rseq_get_abi()->rseq_cs),
+ [rseq_cs] "m" (rseq_get_abi()->rseq_cs.arch.ptr),
[v] "m" (*v),
[expect] "r" (expect),
[newv] "r" (newv)
@@ -256,7 +256,7 @@ int rseq_cmpnev_storeoffp_load(intptr_t *v, intptr_t expectnot,
: /* gcc asm goto does not allow outputs */
: [cpu_id] "r" (cpu),
[current_cpu_id] "m" (rseq_get_abi()->cpu_id),
- [rseq_cs] "m" (rseq_get_abi()->rseq_cs),
+ [rseq_cs] "m" (rseq_get_abi()->rseq_cs.arch.ptr),
/* final store input */
[v] "m" (*v),
[expectnot] "r" (expectnot),
@@ -317,7 +317,7 @@ int rseq_addv(intptr_t *v, intptr_t count, int cpu)
: /* gcc asm goto does not allow outputs */
: [cpu_id] "r" (cpu),
[current_cpu_id] "m" (rseq_get_abi()->cpu_id),
- [rseq_cs] "m" (rseq_get_abi()->rseq_cs),
+ [rseq_cs] "m" (rseq_get_abi()->rseq_cs.arch.ptr),
[v] "m" (*v),
[count] "Ir" (count)
RSEQ_INJECT_INPUT
@@ -382,7 +382,7 @@ int rseq_cmpeqv_trystorev_storev(intptr_t *v, intptr_t expect,
: /* gcc asm goto does not allow outputs */
: [cpu_id] "r" (cpu),
[current_cpu_id] "m" (rseq_get_abi()->cpu_id),
- [rseq_cs] "m" (rseq_get_abi()->rseq_cs),
+ [rseq_cs] "m" (rseq_get_abi()->rseq_cs.arch.ptr),
/* try store input */
[v2] "m" (*v2),
[newv2] "r" (newv2),
@@ -458,7 +458,7 @@ int rseq_cmpeqv_trystorev_storev_release(intptr_t *v, intptr_t expect,
: /* gcc asm goto does not allow outputs */
: [cpu_id] "r" (cpu),
[current_cpu_id] "m" (rseq_get_abi()->cpu_id),
- [rseq_cs] "m" (rseq_get_abi()->rseq_cs),
+ [rseq_cs] "m" (rseq_get_abi()->rseq_cs.arch.ptr),
/* try store input */
[v2] "m" (*v2),
[newv2] "r" (newv2),
@@ -538,7 +538,7 @@ int rseq_cmpeqv_cmpeqv_storev(intptr_t *v, intptr_t expect,
: /* gcc asm goto does not allow outputs */
: [cpu_id] "r" (cpu),
[current_cpu_id] "m" (rseq_get_abi()->cpu_id),
- [rseq_cs] "m" (rseq_get_abi()->rseq_cs),
+ [rseq_cs] "m" (rseq_get_abi()->rseq_cs.arch.ptr),
/* cmp2 input */
[v2] "m" (*v2),
[expect2] "r" (expect2),
@@ -658,7 +658,7 @@ int rseq_cmpeqv_trymemcpy_storev(intptr_t *v, intptr_t expect,
: /* gcc asm goto does not allow outputs */
: [cpu_id] "r" (cpu),
[current_cpu_id] "m" (rseq_get_abi()->cpu_id),
- [rseq_cs] "m" (rseq_get_abi()->rseq_cs),
+ [rseq_cs] "m" (rseq_get_abi()->rseq_cs.arch.ptr),
/* final store input */
[v] "m" (*v),
[expect] "r" (expect),
@@ -783,7 +783,7 @@ int rseq_cmpeqv_trymemcpy_storev_release(intptr_t *v, intptr_t expect,
: /* gcc asm goto does not allow outputs */
: [cpu_id] "r" (cpu),
[current_cpu_id] "m" (rseq_get_abi()->cpu_id),
- [rseq_cs] "m" (rseq_get_abi()->rseq_cs),
+ [rseq_cs] "m" (rseq_get_abi()->rseq_cs.arch.ptr),
/* final store input */
[v] "m" (*v),
[expect] "r" (expect),
diff --git a/tools/testing/selftests/rseq/rseq-arm64.h b/tools/testing/selftests/rseq/rseq-arm64.h
index b9d9b3a..d0f2b7f 100644
--- a/tools/testing/selftests/rseq/rseq-arm64.h
+++ b/tools/testing/selftests/rseq/rseq-arm64.h
@@ -231,7 +231,7 @@ int rseq_cmpeqv_storev(intptr_t *v, intptr_t expect, intptr_t newv, int cpu)
: /* gcc asm goto does not allow outputs */
: [cpu_id] "r" (cpu),
[current_cpu_id] "Qo" (rseq_get_abi()->cpu_id),
- [rseq_cs] "m" (rseq_get_abi()->rseq_cs),
+ [rseq_cs] "m" (rseq_get_abi()->rseq_cs.arch.ptr),
[v] "Qo" (*v),
[expect] "r" (expect),
[newv] "r" (newv)
@@ -288,7 +288,7 @@ int rseq_cmpnev_storeoffp_load(intptr_t *v, intptr_t expectnot,
: /* gcc asm goto does not allow outputs */
: [cpu_id] "r" (cpu),
[current_cpu_id] "Qo" (rseq_get_abi()->cpu_id),
- [rseq_cs] "m" (rseq_get_abi()->rseq_cs),
+ [rseq_cs] "m" (rseq_get_abi()->rseq_cs.arch.ptr),
[v] "Qo" (*v),
[expectnot] "r" (expectnot),
[load] "Qo" (*load),
@@ -338,7 +338,7 @@ int rseq_addv(intptr_t *v, intptr_t count, int cpu)
: /* gcc asm goto does not allow outputs */
: [cpu_id] "r" (cpu),
[current_cpu_id] "Qo" (rseq_get_abi()->cpu_id),
- [rseq_cs] "m" (rseq_get_abi()->rseq_cs),
+ [rseq_cs] "m" (rseq_get_abi()->rseq_cs.arch.ptr),
[v] "Qo" (*v),
[count] "r" (count)
RSEQ_INJECT_INPUT
@@ -389,7 +389,7 @@ int rseq_cmpeqv_trystorev_storev(intptr_t *v, intptr_t expect,
: /* gcc asm goto does not allow outputs */
: [cpu_id] "r" (cpu),
[current_cpu_id] "Qo" (rseq_get_abi()->cpu_id),
- [rseq_cs] "m" (rseq_get_abi()->rseq_cs),
+ [rseq_cs] "m" (rseq_get_abi()->rseq_cs.arch.ptr),
[expect] "r" (expect),
[v] "Qo" (*v),
[newv] "r" (newv),
@@ -448,7 +448,7 @@ int rseq_cmpeqv_trystorev_storev_release(intptr_t *v, intptr_t expect,
: /* gcc asm goto does not allow outputs */
: [cpu_id] "r" (cpu),
[current_cpu_id] "Qo" (rseq_get_abi()->cpu_id),
- [rseq_cs] "m" (rseq_get_abi()->rseq_cs),
+ [rseq_cs] "m" (rseq_get_abi()->rseq_cs.arch.ptr),
[expect] "r" (expect),
[v] "Qo" (*v),
[newv] "r" (newv),
@@ -509,7 +509,7 @@ int rseq_cmpeqv_cmpeqv_storev(intptr_t *v, intptr_t expect,
: /* gcc asm goto does not allow outputs */
: [cpu_id] "r" (cpu),
[current_cpu_id] "Qo" (rseq_get_abi()->cpu_id),
- [rseq_cs] "m" (rseq_get_abi()->rseq_cs),
+ [rseq_cs] "m" (rseq_get_abi()->rseq_cs.arch.ptr),
[v] "Qo" (*v),
[expect] "r" (expect),
[v2] "Qo" (*v2),
@@ -570,7 +570,7 @@ int rseq_cmpeqv_trymemcpy_storev(intptr_t *v, intptr_t expect,
: /* gcc asm goto does not allow outputs */
: [cpu_id] "r" (cpu),
[current_cpu_id] "Qo" (rseq_get_abi()->cpu_id),
- [rseq_cs] "m" (rseq_get_abi()->rseq_cs),
+ [rseq_cs] "m" (rseq_get_abi()->rseq_cs.arch.ptr),
[expect] "r" (expect),
[v] "Qo" (*v),
[newv] "r" (newv),
@@ -630,7 +630,7 @@ int rseq_cmpeqv_trymemcpy_storev_release(intptr_t *v, intptr_t expect,
: /* gcc asm goto does not allow outputs */
: [cpu_id] "r" (cpu),
[current_cpu_id] "Qo" (rseq_get_abi()->cpu_id),
- [rseq_cs] "m" (rseq_get_abi()->rseq_cs),
+ [rseq_cs] "m" (rseq_get_abi()->rseq_cs.arch.ptr),
[expect] "r" (expect),
[v] "Qo" (*v),
[newv] "r" (newv),
diff --git a/tools/testing/selftests/rseq/rseq-mips.h b/tools/testing/selftests/rseq/rseq-mips.h
index 2b1f5bd..6df5427 100644
--- a/tools/testing/selftests/rseq/rseq-mips.h
+++ b/tools/testing/selftests/rseq/rseq-mips.h
@@ -191,7 +191,7 @@ int rseq_cmpeqv_storev(intptr_t *v, intptr_t expect, intptr_t newv, int cpu)
: /* gcc asm goto does not allow outputs */
: [cpu_id] "r" (cpu),
[current_cpu_id] "m" (rseq_get_abi()->cpu_id),
- [rseq_cs] "m" (rseq_get_abi()->rseq_cs),
+ [rseq_cs] "m" (rseq_get_abi()->rseq_cs.arch.ptr),
[v] "m" (*v),
[expect] "r" (expect),
[newv] "r" (newv)
@@ -259,7 +259,7 @@ int rseq_cmpnev_storeoffp_load(intptr_t *v, intptr_t expectnot,
: /* gcc asm goto does not allow outputs */
: [cpu_id] "r" (cpu),
[current_cpu_id] "m" (rseq_get_abi()->cpu_id),
- [rseq_cs] "m" (rseq_get_abi()->rseq_cs),
+ [rseq_cs] "m" (rseq_get_abi()->rseq_cs.arch.ptr),
/* final store input */
[v] "m" (*v),
[expectnot] "r" (expectnot),
@@ -320,7 +320,7 @@ int rseq_addv(intptr_t *v, intptr_t count, int cpu)
: /* gcc asm goto does not allow outputs */
: [cpu_id] "r" (cpu),
[current_cpu_id] "m" (rseq_get_abi()->cpu_id),
- [rseq_cs] "m" (rseq_get_abi()->rseq_cs),
+ [rseq_cs] "m" (rseq_get_abi()->rseq_cs.arch.ptr),
[v] "m" (*v),
[count] "Ir" (count)
RSEQ_INJECT_INPUT
@@ -383,7 +383,7 @@ int rseq_cmpeqv_trystorev_storev(intptr_t *v, intptr_t expect,
: /* gcc asm goto does not allow outputs */
: [cpu_id] "r" (cpu),
[current_cpu_id] "m" (rseq_get_abi()->cpu_id),
- [rseq_cs] "m" (rseq_get_abi()->rseq_cs),
+ [rseq_cs] "m" (rseq_get_abi()->rseq_cs.arch.ptr),
/* try store input */
[v2] "m" (*v2),
[newv2] "r" (newv2),
@@ -457,7 +457,7 @@ int rseq_cmpeqv_trystorev_storev_release(intptr_t *v, intptr_t expect,
: /* gcc asm goto does not allow outputs */
: [cpu_id] "r" (cpu),
[current_cpu_id] "m" (rseq_get_abi()->cpu_id),
- [rseq_cs] "m" (rseq_get_abi()->rseq_cs),
+ [rseq_cs] "m" (rseq_get_abi()->rseq_cs.arch.ptr),
/* try store input */
[v2] "m" (*v2),
[newv2] "r" (newv2),
@@ -533,7 +533,7 @@ int rseq_cmpeqv_cmpeqv_storev(intptr_t *v, intptr_t expect,
: /* gcc asm goto does not allow outputs */
: [cpu_id] "r" (cpu),
[current_cpu_id] "m" (rseq_get_abi()->cpu_id),
- [rseq_cs] "m" (rseq_get_abi()->rseq_cs),
+ [rseq_cs] "m" (rseq_get_abi()->rseq_cs.arch.ptr),
/* cmp2 input */
[v2] "m" (*v2),
[expect2] "r" (expect2),
@@ -650,7 +650,7 @@ int rseq_cmpeqv_trymemcpy_storev(intptr_t *v, intptr_t expect,
: /* gcc asm goto does not allow outputs */
: [cpu_id] "r" (cpu),
[current_cpu_id] "m" (rseq_get_abi()->cpu_id),
- [rseq_cs] "m" (rseq_get_abi()->rseq_cs),
+ [rseq_cs] "m" (rseq_get_abi()->rseq_cs.arch.ptr),
/* final store input */
[v] "m" (*v),
[expect] "r" (expect),
@@ -772,7 +772,7 @@ int rseq_cmpeqv_trymemcpy_storev_release(intptr_t *v, intptr_t expect,
: /* gcc asm goto does not allow outputs */
: [cpu_id] "r" (cpu),
[current_cpu_id] "m" (rseq_get_abi()->cpu_id),
- [rseq_cs] "m" (rseq_get_abi()->rseq_cs),
+ [rseq_cs] "m" (rseq_get_abi()->rseq_cs.arch.ptr),
/* final store input */
[v] "m" (*v),
[expect] "r" (expect),
diff --git a/tools/testing/selftests/rseq/rseq-ppc.h b/tools/testing/selftests/rseq/rseq-ppc.h
index 2e6b757..c4ba137 100644
--- a/tools/testing/selftests/rseq/rseq-ppc.h
+++ b/tools/testing/selftests/rseq/rseq-ppc.h
@@ -236,7 +236,7 @@ int rseq_cmpeqv_storev(intptr_t *v, intptr_t expect, intptr_t newv, int cpu)
: /* gcc asm goto does not allow outputs */
: [cpu_id] "r" (cpu),
[current_cpu_id] "m" (rseq_get_abi()->cpu_id),
- [rseq_cs] "m" (rseq_get_abi()->rseq_cs),
+ [rseq_cs] "m" (rseq_get_abi()->rseq_cs.arch.ptr),
[v] "m" (*v),
[expect] "r" (expect),
[newv] "r" (newv)
@@ -302,7 +302,7 @@ int rseq_cmpnev_storeoffp_load(intptr_t *v, intptr_t expectnot,
: /* gcc asm goto does not allow outputs */
: [cpu_id] "r" (cpu),
[current_cpu_id] "m" (rseq_get_abi()->cpu_id),
- [rseq_cs] "m" (rseq_get_abi()->rseq_cs),
+ [rseq_cs] "m" (rseq_get_abi()->rseq_cs.arch.ptr),
/* final store input */
[v] "m" (*v),
[expectnot] "r" (expectnot),
@@ -360,7 +360,7 @@ int rseq_addv(intptr_t *v, intptr_t count, int cpu)
: /* gcc asm goto does not allow outputs */
: [cpu_id] "r" (cpu),
[current_cpu_id] "m" (rseq_get_abi()->cpu_id),
- [rseq_cs] "m" (rseq_get_abi()->rseq_cs),
+ [rseq_cs] "m" (rseq_get_abi()->rseq_cs.arch.ptr),
/* final store input */
[v] "m" (*v),
[count] "r" (count)
@@ -420,7 +420,7 @@ int rseq_cmpeqv_trystorev_storev(intptr_t *v, intptr_t expect,
: /* gcc asm goto does not allow outputs */
: [cpu_id] "r" (cpu),
[current_cpu_id] "m" (rseq_get_abi()->cpu_id),
- [rseq_cs] "m" (rseq_get_abi()->rseq_cs),
+ [rseq_cs] "m" (rseq_get_abi()->rseq_cs.arch.ptr),
/* try store input */
[v2] "m" (*v2),
[newv2] "r" (newv2),
@@ -490,7 +490,7 @@ int rseq_cmpeqv_trystorev_storev_release(intptr_t *v, intptr_t expect,
: /* gcc asm goto does not allow outputs */
: [cpu_id] "r" (cpu),
[current_cpu_id] "m" (rseq_get_abi()->cpu_id),
- [rseq_cs] "m" (rseq_get_abi()->rseq_cs),
+ [rseq_cs] "m" (rseq_get_abi()->rseq_cs.arch.ptr),
/* try store input */
[v2] "m" (*v2),
[newv2] "r" (newv2),
@@ -561,7 +561,7 @@ int rseq_cmpeqv_cmpeqv_storev(intptr_t *v, intptr_t expect,
: /* gcc asm goto does not allow outputs */
: [cpu_id] "r" (cpu),
[current_cpu_id] "m" (rseq_get_abi()->cpu_id),
- [rseq_cs] "m" (rseq_get_abi()->rseq_cs),
+ [rseq_cs] "m" (rseq_get_abi()->rseq_cs.arch.ptr),
/* cmp2 input */
[v2] "m" (*v2),
[expect2] "r" (expect2),
@@ -636,7 +636,7 @@ int rseq_cmpeqv_trymemcpy_storev(intptr_t *v, intptr_t expect,
: /* gcc asm goto does not allow outputs */
: [cpu_id] "r" (cpu),
[current_cpu_id] "m" (rseq_get_abi()->cpu_id),
- [rseq_cs] "m" (rseq_get_abi()->rseq_cs),
+ [rseq_cs] "m" (rseq_get_abi()->rseq_cs.arch.ptr),
/* final store input */
[v] "m" (*v),
[expect] "r" (expect),
@@ -712,7 +712,7 @@ int rseq_cmpeqv_trymemcpy_storev_release(intptr_t *v, intptr_t expect,
: /* gcc asm goto does not allow outputs */
: [cpu_id] "r" (cpu),
[current_cpu_id] "m" (rseq_get_abi()->cpu_id),
- [rseq_cs] "m" (rseq_get_abi()->rseq_cs),
+ [rseq_cs] "m" (rseq_get_abi()->rseq_cs.arch.ptr),
/* final store input */
[v] "m" (*v),
[expect] "r" (expect),
diff --git a/tools/testing/selftests/rseq/rseq-s390.h b/tools/testing/selftests/rseq/rseq-s390.h
index b906e04..9927021 100644
--- a/tools/testing/selftests/rseq/rseq-s390.h
+++ b/tools/testing/selftests/rseq/rseq-s390.h
@@ -166,7 +166,7 @@ int rseq_cmpeqv_storev(intptr_t *v, intptr_t expect, intptr_t newv, int cpu)
: /* gcc asm goto does not allow outputs */
: [cpu_id] "r" (cpu),
[current_cpu_id] "m" (rseq_get_abi()->cpu_id),
- [rseq_cs] "m" (rseq_get_abi()->rseq_cs),
+ [rseq_cs] "m" (rseq_get_abi()->rseq_cs.arch.ptr),
[v] "m" (*v),
[expect] "r" (expect),
[newv] "r" (newv)
@@ -234,7 +234,7 @@ int rseq_cmpnev_storeoffp_load(intptr_t *v, intptr_t expectnot,
: /* gcc asm goto does not allow outputs */
: [cpu_id] "r" (cpu),
[current_cpu_id] "m" (rseq_get_abi()->cpu_id),
- [rseq_cs] "m" (rseq_get_abi()->rseq_cs),
+ [rseq_cs] "m" (rseq_get_abi()->rseq_cs.arch.ptr),
/* final store input */
[v] "m" (*v),
[expectnot] "r" (expectnot),
@@ -289,7 +289,7 @@ int rseq_addv(intptr_t *v, intptr_t count, int cpu)
: /* gcc asm goto does not allow outputs */
: [cpu_id] "r" (cpu),
[current_cpu_id] "m" (rseq_get_abi()->cpu_id),
- [rseq_cs] "m" (rseq_get_abi()->rseq_cs),
+ [rseq_cs] "m" (rseq_get_abi()->rseq_cs.arch.ptr),
/* final store input */
[v] "m" (*v),
[count] "r" (count)
@@ -348,7 +348,7 @@ int rseq_cmpeqv_trystorev_storev(intptr_t *v, intptr_t expect,
: /* gcc asm goto does not allow outputs */
: [cpu_id] "r" (cpu),
[current_cpu_id] "m" (rseq_get_abi()->cpu_id),
- [rseq_cs] "m" (rseq_get_abi()->rseq_cs),
+ [rseq_cs] "m" (rseq_get_abi()->rseq_cs.arch.ptr),
/* try store input */
[v2] "m" (*v2),
[newv2] "r" (newv2),
@@ -427,7 +427,7 @@ int rseq_cmpeqv_cmpeqv_storev(intptr_t *v, intptr_t expect,
: /* gcc asm goto does not allow outputs */
: [cpu_id] "r" (cpu),
[current_cpu_id] "m" (rseq_get_abi()->cpu_id),
- [rseq_cs] "m" (rseq_get_abi()->rseq_cs),
+ [rseq_cs] "m" (rseq_get_abi()->rseq_cs.arch.ptr),
/* cmp2 input */
[v2] "m" (*v2),
[expect2] "r" (expect2),
@@ -535,7 +535,7 @@ int rseq_cmpeqv_trymemcpy_storev(intptr_t *v, intptr_t expect,
: /* gcc asm goto does not allow outputs */
: [cpu_id] "r" (cpu),
[current_cpu_id] "m" (rseq_get_abi()->cpu_id),
- [rseq_cs] "m" (rseq_get_abi()->rseq_cs),
+ [rseq_cs] "m" (rseq_get_abi()->rseq_cs.arch.ptr),
/* final store input */
[v] "m" (*v),
[expect] "r" (expect),
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