From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Heiko Carstens <hca@linux.ibm.com>,
Sven Schnelle <svens@linux.ibm.com>,
Sasha Levin <sashal@kernel.org>,
gor@linux.ibm.com, agordeev@linux.ibm.com, peterz@infradead.org,
mingo@kernel.org, npiggin@gmail.com, linux-s390@vger.kernel.org
Subject: [PATCH AUTOSEL 6.2 41/53] s390/idle: mark arch_cpu_idle() noinstr
Date: Sun, 26 Feb 2023 09:44:33 -0500 [thread overview]
Message-ID: <20230226144446.824580-41-sashal@kernel.org> (raw)
In-Reply-To: <20230226144446.824580-1-sashal@kernel.org>
From: Heiko Carstens <hca@linux.ibm.com>
[ Upstream commit a9cbc1b471d291c865907542394f1c483b93a811 ]
linux-next commit ("cpuidle: tracing: Warn about !rcu_is_watching()")
adds a new warning which hits on s390's arch_cpu_idle() function:
RCU not on for: arch_cpu_idle+0x0/0x28
WARNING: CPU: 2 PID: 0 at include/linux/trace_recursion.h:162 arch_ftrace_ops_list_func+0x24c/0x258
Modules linked in:
CPU: 2 PID: 0 Comm: swapper/2 Not tainted 6.2.0-rc6-next-20230202 #4
Hardware name: IBM 8561 T01 703 (z/VM 7.3.0)
Krnl PSW : 0404d00180000000 00000000002b55c0 (arch_ftrace_ops_list_func+0x250/0x258)
R:0 T:1 IO:0 EX:0 Key:0 M:1 W:0 P:0 AS:3 CC:1 PM:0 RI:0 EA:3
Krnl GPRS: c0000000ffffbfff 0000000080000002 0000000000000026 0000000000000000
0000037ffffe3a28 0000037ffffe3a20 0000000000000000 0000000000000000
0000000000000000 0000000000f4acf6 00000000001044f0 0000037ffffe3cb0
0000000000000000 0000000000000000 00000000002b55bc 0000037ffffe3bb8
Krnl Code: 00000000002b55b0: c02000840051 larl %r2,0000000001335652
00000000002b55b6: c0e5fff512d1 brasl %r14,0000000000157b58
#00000000002b55bc: af000000 mc 0,0
>00000000002b55c0: a7f4ffe7 brc 15,00000000002b558e
00000000002b55c4: 0707 bcr 0,%r7
00000000002b55c6: 0707 bcr 0,%r7
00000000002b55c8: eb6ff0480024 stmg %r6,%r15,72(%r15)
00000000002b55ce: b90400ef lgr %r14,%r15
Call Trace:
[<00000000002b55c0>] arch_ftrace_ops_list_func+0x250/0x258
([<00000000002b55bc>] arch_ftrace_ops_list_func+0x24c/0x258)
[<0000000000f5f0fc>] ftrace_common+0x1c/0x20
[<00000000001044f6>] arch_cpu_idle+0x6/0x28
[<0000000000f4acf6>] default_idle_call+0x76/0x128
[<00000000001cc374>] do_idle+0xf4/0x1b0
[<00000000001cc6ce>] cpu_startup_entry+0x36/0x40
[<0000000000119d00>] smp_start_secondary+0x140/0x150
[<0000000000f5d2ae>] restart_int_handler+0x6e/0x90
Mark arch_cpu_idle() noinstr like all other architectures with
CONFIG_ARCH_WANTS_NO_INSTR (should) have it to fix this.
Reviewed-by: Sven Schnelle <svens@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
arch/s390/kernel/idle.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/s390/kernel/idle.c b/arch/s390/kernel/idle.c
index 4bf1ee293f2b3..a0da049e73609 100644
--- a/arch/s390/kernel/idle.c
+++ b/arch/s390/kernel/idle.c
@@ -44,7 +44,7 @@ void account_idle_time_irq(void)
S390_lowcore.last_update_timer = idle->timer_idle_exit;
}
-void arch_cpu_idle(void)
+void noinstr arch_cpu_idle(void)
{
struct s390_idle_data *idle = this_cpu_ptr(&s390_idle);
unsigned long idle_time;
--
2.39.0
next prev parent reply other threads:[~2023-02-26 15:09 UTC|newest]
Thread overview: 66+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-02-26 14:43 [PATCH AUTOSEL 6.2 01/53] wifi: ath9k: Fix use-after-free in ath9k_hif_usb_disconnect() Sasha Levin
2023-02-26 14:43 ` [PATCH AUTOSEL 6.2 02/53] wifi: ath11k: fix monitor mode bringup crash Sasha Levin
2023-02-26 14:43 ` Sasha Levin
2023-02-26 14:43 ` [PATCH AUTOSEL 6.2 03/53] wifi: brcmfmac: Fix potential stack-out-of-bounds in brcmf_c_preinit_dcmds() Sasha Levin
2023-02-26 14:43 ` [PATCH AUTOSEL 6.2 04/53] rcu: Make RCU_LOCKDEP_WARN() avoid early lockdep checks Sasha Levin
2023-02-26 14:43 ` [PATCH AUTOSEL 6.2 05/53] rcu: Suppress smp_processor_id() complaint in synchronize_rcu_expedited_wait() Sasha Levin
2023-02-26 14:43 ` [PATCH AUTOSEL 6.2 06/53] srcu: Delegate work to the boot cpu if using SRCU_SIZE_SMALL Sasha Levin
2023-02-26 14:43 ` [PATCH AUTOSEL 6.2 07/53] rcu-tasks: Make rude RCU-Tasks work well with CPU hotplug Sasha Levin
2023-02-26 14:44 ` [PATCH AUTOSEL 6.2 08/53] rcu-tasks: Handle queue-shrink/callback-enqueue race condition Sasha Levin
2023-02-26 14:44 ` [PATCH AUTOSEL 6.2 09/53] wifi: ath11k: debugfs: fix to work with multiple PCI devices Sasha Levin
2023-02-26 14:44 ` Sasha Levin
2023-02-26 14:44 ` [PATCH AUTOSEL 6.2 10/53] thermal: intel: Fix unsigned comparison with less than zero Sasha Levin
2023-02-26 14:44 ` [PATCH AUTOSEL 6.2 11/53] timers: Prevent union confusion from unexpected restart_syscall() Sasha Levin
2023-02-26 14:44 ` [PATCH AUTOSEL 6.2 12/53] x86/bugs: Reset speculation control settings on init Sasha Levin
2023-02-26 14:44 ` [PATCH AUTOSEL 6.2 13/53] bpftool: Always disable stack protection for BPF objects Sasha Levin
2023-02-26 14:44 ` [PATCH AUTOSEL 6.2 14/53] wifi: brcmfmac: ensure CLM version is null-terminated to prevent stack-out-of-bounds Sasha Levin
2023-02-26 14:44 ` [PATCH AUTOSEL 6.2 15/53] wifi: rtw89: fix assignation of TX BD RAM table Sasha Levin
2023-02-26 14:44 ` [PATCH AUTOSEL 6.2 16/53] wifi: mt7601u: fix an integer underflow Sasha Levin
2023-02-26 14:44 ` Sasha Levin
2023-02-26 14:44 ` [PATCH AUTOSEL 6.2 17/53] inet: fix fast path in __inet_hash_connect() Sasha Levin
2023-02-26 14:44 ` [Intel-wired-lan] [PATCH AUTOSEL 6.2 18/53] ice: restrict PTP HW clock freq adjustments to 100, 000, 000 PPB Sasha Levin
2023-02-26 14:44 ` Sasha Levin
2023-02-26 14:44 ` [Intel-wired-lan] [PATCH AUTOSEL 6.2 19/53] ice: add missing checks for PF vsi type Sasha Levin
2023-02-26 14:44 ` Sasha Levin
2023-02-26 14:44 ` [PATCH AUTOSEL 6.2 20/53] Compiler attributes: GCC cold function alignment workarounds Sasha Levin
2023-02-26 14:44 ` [PATCH AUTOSEL 6.2 21/53] ACPI: Don't build ACPICA with '-Os' Sasha Levin
2023-02-26 14:44 ` [PATCH AUTOSEL 6.2 22/53] bpf, docs: Fix modulo zero, division by zero, overflow, and underflow Sasha Levin
2023-02-26 14:44 ` [PATCH AUTOSEL 6.2 23/53] thermal: intel: intel_pch: Add support for Wellsburg PCH Sasha Levin
2023-02-26 14:44 ` [PATCH AUTOSEL 6.2 24/53] clocksource: Suspend the watchdog temporarily when high read latency detected Sasha Levin
2023-02-26 14:44 ` [PATCH AUTOSEL 6.2 25/53] crypto: hisilicon: Wipe entire pool on error Sasha Levin
2023-02-26 14:44 ` [PATCH AUTOSEL 6.2 26/53] netpoll: Remove 4s sleep during carrier detection Sasha Levin
2023-02-27 18:15 ` Jakub Kicinski
2023-03-01 2:10 ` Sasha Levin
2023-02-26 14:44 ` [PATCH AUTOSEL 6.2 27/53] net: bcmgenet: Add a check for oversized packets Sasha Levin
2023-02-26 14:44 ` [PATCH AUTOSEL 6.2 28/53] m68k: Check syscall_trace_enter() return code Sasha Levin
2023-02-26 14:44 ` [PATCH AUTOSEL 6.2 29/53] s390/mm,ptdump: avoid Kasan vs Memcpy Real markers swapping Sasha Levin
2023-02-26 14:44 ` [PATCH AUTOSEL 6.2 30/53] netfilter: nf_tables: NULL pointer dereference in nf_tables_updobj() Sasha Levin
2023-02-26 14:44 ` [PATCH AUTOSEL 6.2 31/53] neighbor: fix proxy_delay usage when it is zero Sasha Levin
2023-02-27 18:15 ` Jakub Kicinski
2023-03-01 14:13 ` Sasha Levin
2023-02-26 14:44 ` [PATCH AUTOSEL 6.2 32/53] can: isotp: check CAN address family in isotp_bind() Sasha Levin
2023-02-26 14:44 ` [PATCH AUTOSEL 6.2 33/53] gcc-plugins: drop -std=gnu++11 to fix GCC 13 build Sasha Levin
2023-02-26 14:44 ` [PATCH AUTOSEL 6.2 34/53] tools/power/x86/intel-speed-select: Add Emerald Rapid quirk Sasha Levin
2023-02-26 14:44 ` [PATCH AUTOSEL 6.2 35/53] platform/x86: dell-ddv: Add support for interface version 3 Sasha Levin
2023-02-26 14:44 ` [PATCH AUTOSEL 6.2 36/53] wifi: mt76: dma: free rx_head in mt76_dma_rx_cleanup Sasha Levin
2023-02-26 14:44 ` Sasha Levin
2023-02-26 14:44 ` [PATCH AUTOSEL 6.2 37/53] ACPI: video: Fix Lenovo Ideapad Z570 DMI match Sasha Levin
2023-02-26 14:44 ` [PATCH AUTOSEL 6.2 38/53] net/mlx5: fw_tracer: Fix debug print Sasha Levin
2023-02-26 14:44 ` [PATCH AUTOSEL 6.2 39/53] coda: Avoid partial allocation of sig_inputArgs Sasha Levin
2023-02-26 14:44 ` [PATCH AUTOSEL 6.2 40/53] uaccess: Add minimum bounds check on kernel buffer size Sasha Levin
2023-02-26 14:44 ` Sasha Levin [this message]
2023-02-26 14:44 ` [PATCH AUTOSEL 6.2 42/53] time/debug: Fix memory leak with using debugfs_lookup() Sasha Levin
2023-02-26 14:44 ` [PATCH AUTOSEL 6.2 43/53] PM: domains: fix " Sasha Levin
2023-02-26 14:44 ` [PATCH AUTOSEL 6.2 44/53] PM: EM: " Sasha Levin
2023-02-26 14:44 ` [PATCH AUTOSEL 6.2 45/53] Bluetooth: Fix issue with Actions Semi ATS2851 based devices Sasha Levin
2023-02-26 14:44 ` [PATCH AUTOSEL 6.2 46/53] Bluetooth: btusb: Add new PID/VID 0489:e0f2 for MT7921 Sasha Levin
2023-02-26 14:44 ` Sasha Levin
2023-02-26 14:44 ` [PATCH AUTOSEL 6.2 47/53] Bluetooth: btusb: Add VID:PID 13d3:3529 for Realtek RTL8821CE Sasha Levin
2023-02-26 14:44 ` [PATCH AUTOSEL 6.2 48/53] wifi: rtw89: debug: avoid invalid access on RTW89_DBG_SEL_MAC_30 Sasha Levin
2023-02-26 14:44 ` [PATCH AUTOSEL 6.2 49/53] hv_netvsc: Check status in SEND_RNDIS_PKT completion message Sasha Levin
2023-02-26 14:44 ` [PATCH AUTOSEL 6.2 50/53] s390/kfence: fix page fault reporting Sasha Levin
2023-02-26 14:44 ` [PATCH AUTOSEL 6.2 51/53] devlink: health: Fix nla_nest_end in error flow Sasha Levin
2023-02-27 18:13 ` Jakub Kicinski
2023-03-01 14:13 ` Sasha Levin
2023-02-26 14:44 ` [PATCH AUTOSEL 6.2 52/53] devlink: Fix TP_STRUCT_entry in trace of devlink health report Sasha Levin
2023-02-26 14:44 ` [PATCH AUTOSEL 6.2 53/53] scm: add user copy checks to put_cmsg() Sasha Levin
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