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selftests/rseq: Fix ppc32: wrong rseq_cs 32-bit field pointer on big endian

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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@efficios.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20220124171253.22072-9-mathieu.desnoyers@efficios.com
This commit is contained in:
Mathieu Desnoyers
2022-01-24 12:12:46 -05:00
committed by Peter Zijlstra
parent 233e667e1a
commit 24d1136a29
5 changed files with 38 additions and 38 deletions
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16
tools/testing/selftests/rseq/rseq-arm.h
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@@ -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),