diff --git a/Makefile b/Makefile index 02b2ade89c51..13f41e446294 100644 --- a/Makefile +++ b/Makefile @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 VERSION = 5 PATCHLEVEL = 15 -SUBLEVEL = 91 +SUBLEVEL = 92 EXTRAVERSION = NAME = Trick or Treat

diff --git a/arch/arm/boot/dts/imx53-ppd.dts b/arch/arm/boot/dts/imx53-ppd.dts index 37d0cffea99c..70c4a4852256 100644 --- a/arch/arm/boot/dts/imx53-ppd.dts +++ b/arch/arm/boot/dts/imx53-ppd.dts @@ -488,7 +488,7 @@ &i2c1 { scl-gpios = <&gpio3 21 GPIO_ACTIVE_HIGH>; status = "okay";

- i2c-switch@70 { + i2c-mux@70 { compatible = "nxp,pca9547"; #address-cells = <1>; #size-cells = <0>; diff --git a/arch/arm/boot/dts/vf610-zii-dev-rev-b.dts b/arch/arm/boot/dts/vf610-zii-dev-rev-b.dts index 043ddd70372f..36d5299b2baa 100644 --- a/arch/arm/boot/dts/vf610-zii-dev-rev-b.dts +++ b/arch/arm/boot/dts/vf610-zii-dev-rev-b.dts @@ -343,7 +343,7 @@ gpio6: io-expander@22 { };

&i2c2 { - tca9548@70 { + i2c-mux@70 { compatible = "nxp,pca9548"; pinctrl-0 = <&pinctrl_i2c_mux_reset>; pinctrl-names = "default"; diff --git a/arch/arm/boot/dts/vf610-zii-dev-rev-c.dts b/arch/arm/boot/dts/vf610-zii-dev-rev-c.dts index de79dcfd32e6..ba2001f37315 100644 --- a/arch/arm/boot/dts/vf610-zii-dev-rev-c.dts +++ b/arch/arm/boot/dts/vf610-zii-dev-rev-c.dts @@ -340,7 +340,7 @@ eeprom@50 { };

&i2c2 { - tca9548@70 { + i2c-mux@70 { compatible = "nxp,pca9548"; pinctrl-0 = <&pinctrl_i2c_mux_reset>; pinctrl-names = "default"; diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1012a-qds.dts b/arch/arm64/boot/dts/freescale/fsl-ls1012a-qds.dts index e22c5e77fecd..9615f3b9ee60 100644 --- a/arch/arm64/boot/dts/freescale/fsl-ls1012a-qds.dts +++ b/arch/arm64/boot/dts/freescale/fsl-ls1012a-qds.dts @@ -110,7 +110,7 @@ &esdhc1 { &i2c0 { status = "okay";

- pca9547@77 { + i2c-mux@77 { compatible = "nxp,pca9547"; reg = <0x77>; #address-cells = <1>; diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1043a-qds.dts b/arch/arm64/boot/dts/freescale/fsl-ls1043a-qds.dts index fea167d222cf..14856bc79b22 100644 --- a/arch/arm64/boot/dts/freescale/fsl-ls1043a-qds.dts +++ b/arch/arm64/boot/dts/freescale/fsl-ls1043a-qds.dts @@ -70,7 +70,7 @@ fpga: board-control@2,0 { &i2c0 { status = "okay";

- pca9547@77 { + i2c-mux@77 { compatible = "nxp,pca9547"; reg = <0x77>; #address-cells = <1>; diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1046a-qds.dts b/arch/arm64/boot/dts/freescale/fsl-ls1046a-qds.dts index eec62c63dafe..9ee9928f71b4 100644 --- a/arch/arm64/boot/dts/freescale/fsl-ls1046a-qds.dts +++ b/arch/arm64/boot/dts/freescale/fsl-ls1046a-qds.dts @@ -76,7 +76,7 @@ &duart1 { &i2c0 { status = "okay";

- pca9547@77 { + i2c-mux@77 { compatible = "nxp,pca9547"; reg = <0x77>; #address-cells = <1>; diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1088a-qds.dts b/arch/arm64/boot/dts/freescale/fsl-ls1088a-qds.dts index 41d8b15f25a5..aa52ff73ff9e 100644 --- a/arch/arm64/boot/dts/freescale/fsl-ls1088a-qds.dts +++ b/arch/arm64/boot/dts/freescale/fsl-ls1088a-qds.dts @@ -53,7 +53,7 @@ flash@2 { &i2c0 { status = "okay";

- i2c-switch@77 { + i2c-mux@77 { compatible = "nxp,pca9547"; reg = <0x77>; #address-cells = <1>; diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1088a-rdb.dts b/arch/arm64/boot/dts/freescale/fsl-ls1088a-rdb.dts index 1bfbce69cc8b..ee8e932628d1 100644 --- a/arch/arm64/boot/dts/freescale/fsl-ls1088a-rdb.dts +++ b/arch/arm64/boot/dts/freescale/fsl-ls1088a-rdb.dts @@ -136,7 +136,7 @@ mdio2_aquantia_phy: ethernet-phy@0 { &i2c0 { status = "okay";

- i2c-switch@77 { + i2c-mux@77 { compatible = "nxp,pca9547"; reg = <0x77>; #address-cells = <1>; diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1088a-ten64.dts b/arch/arm64/boot/dts/freescale/fsl-ls1088a-ten64.dts index d3f03dcbb8c3..a9c6682a3955 100644 --- a/arch/arm64/boot/dts/freescale/fsl-ls1088a-ten64.dts +++ b/arch/arm64/boot/dts/freescale/fsl-ls1088a-ten64.dts @@ -245,7 +245,7 @@ rx8035: rtc@32 { &i2c3 { status = "okay";

- i2c-switch@70 { + i2c-mux@70 { compatible = "nxp,pca9540"; #address-cells = <1>; #size-cells = <0>; diff --git a/arch/arm64/boot/dts/freescale/fsl-ls208xa-qds.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls208xa-qds.dtsi index 10d2fe091965..8d96d18c3697 100644 --- a/arch/arm64/boot/dts/freescale/fsl-ls208xa-qds.dtsi +++ b/arch/arm64/boot/dts/freescale/fsl-ls208xa-qds.dtsi @@ -44,7 +44,7 @@ cpld@3,0 {

&i2c0 { status = "okay"; - pca9547@77 { + i2c-mux@77 { compatible = "nxp,pca9547"; reg = <0x77>; #address-cells = <1>; diff --git a/arch/arm64/boot/dts/freescale/fsl-ls208xa-rdb.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls208xa-rdb.dtsi index 4b71c4fcb35f..787e408da002 100644 --- a/arch/arm64/boot/dts/freescale/fsl-ls208xa-rdb.dtsi +++ b/arch/arm64/boot/dts/freescale/fsl-ls208xa-rdb.dtsi @@ -44,7 +44,7 @@ cpld@3,0 {

&i2c0 { status = "okay"; - pca9547@75 { + i2c-mux@75 { compatible = "nxp,pca9547"; reg = <0x75>; #address-cells = <1>; diff --git a/arch/arm64/boot/dts/freescale/fsl-lx2160a-cex7.dtsi b/arch/arm64/boot/dts/freescale/fsl-lx2160a-cex7.dtsi index afb455210bd0..d32a52ab00a4 100644 --- a/arch/arm64/boot/dts/freescale/fsl-lx2160a-cex7.dtsi +++ b/arch/arm64/boot/dts/freescale/fsl-lx2160a-cex7.dtsi @@ -54,7 +54,7 @@ &esdhc1 { &i2c0 { status = "okay";

- i2c-switch@77 { + i2c-mux@77 { compatible = "nxp,pca9547"; #address-cells = <1>; #size-cells = <0>; diff --git a/arch/arm64/boot/dts/freescale/imx8mm-nitrogen-r2.dts b/arch/arm64/boot/dts/freescale/imx8mm-nitrogen-r2.dts index 74c09891600f..6357078185ed 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-nitrogen-r2.dts +++ b/arch/arm64/boot/dts/freescale/imx8mm-nitrogen-r2.dts @@ -214,7 +214,7 @@ &i2c3 { pinctrl-0 = <&pinctrl_i2c3>; status = "okay";

- i2cmux@70 { + i2c-mux@70 { compatible = "nxp,pca9540"; reg = <0x70>; #address-cells = <1>; diff --git a/arch/arm64/boot/dts/freescale/imx8mq-nitrogen.dts b/arch/arm64/boot/dts/freescale/imx8mq-nitrogen.dts index f70fb32b96b0..cf14ab5f7404 100644 --- a/arch/arm64/boot/dts/freescale/imx8mq-nitrogen.dts +++ b/arch/arm64/boot/dts/freescale/imx8mq-nitrogen.dts @@ -133,7 +133,7 @@ &i2c1 { pinctrl-0 = <&pinctrl_i2c1>; status = "okay";

- i2cmux@70 { + i2c-mux@70 { compatible = "nxp,pca9546"; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_i2c1_pca9546>; @@ -216,7 +216,7 @@ &i2c4 { pinctrl-0 = <&pinctrl_i2c4>; status = "okay";

- pca9546: i2cmux@70 { + pca9546: i2c-mux@70 { compatible = "nxp,pca9546"; reg = <0x70>; #address-cells = <1>; diff --git a/arch/arm64/boot/dts/freescale/imx8mq-thor96.dts b/arch/arm64/boot/dts/freescale/imx8mq-thor96.dts index 5d5aa6537225..6e6182709d22 100644 --- a/arch/arm64/boot/dts/freescale/imx8mq-thor96.dts +++ b/arch/arm64/boot/dts/freescale/imx8mq-thor96.dts @@ -339,7 +339,7 @@ &usdhc1 { bus-width = <4>; non-removable; no-sd; - no-emmc; + no-mmc; status = "okay";

brcmf: wifi@1 { @@ -359,7 +359,7 @@ &usdhc2 { cd-gpios = <&gpio2 12 GPIO_ACTIVE_LOW>; bus-width = <4>; no-sdio; - no-emmc; + no-mmc; disable-wp; status = "okay"; }; diff --git a/arch/arm64/boot/dts/freescale/imx8qxp-mek.dts b/arch/arm64/boot/dts/freescale/imx8qxp-mek.dts index 863232a47004..4497763d57cc 100644 --- a/arch/arm64/boot/dts/freescale/imx8qxp-mek.dts +++ b/arch/arm64/boot/dts/freescale/imx8qxp-mek.dts @@ -61,7 +61,7 @@ &i2c1 { pinctrl-0 = <&pinctrl_lpi2c1 &pinctrl_ioexp_rst>; status = "okay";

- i2c-switch@71 { + i2c-mux@71 { compatible = "nxp,pca9646", "nxp,pca9546"; #address-cells = <1>; #size-cells = <0>; diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c index ce5858dadca5..3ee4c1217b63 100644 --- a/block/blk-cgroup.c +++ b/block/blk-cgroup.c @@ -1360,6 +1360,10 @@ int blkcg_activate_policy(struct request_queue *q, list_for_each_entry_reverse(blkg, &q->blkg_list, q_node) pol->pd_init_fn(blkg->pd[pol->plid]);

+ if (pol->pd_online_fn) + list_for_each_entry_reverse(blkg, &q->blkg_list, q_node) + pol->pd_online_fn(blkg->pd[pol->plid]); + __set_bit(pol->plid, q->blkcg_pols); ret = 0;

diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c index dc880dad2ade..e9116db1e352 100644 --- a/drivers/acpi/processor_idle.c +++ b/drivers/acpi/processor_idle.c @@ -531,10 +531,27 @@ static void wait_for_freeze(void) /* No delay is needed if we are in guest */ if (boot_cpu_has(X86_FEATURE_HYPERVISOR)) return; + /* + * Modern (>=Nehalem) Intel systems use ACPI via intel_idle, + * not this code. Assume that any Intel systems using this + * are ancient and may need the dummy wait. This also assumes + * that the motivating chipset issue was Intel-only. + */ + if (boot_cpu_data.x86_vendor != X86_VENDOR_INTEL) + return; #endif - /* Dummy wait op - must do something useless after P_LVL2 read - because chipsets cannot guarantee that STPCLK# signal - gets asserted in time to freeze execution properly. */ + /* + * Dummy wait op - must do something useless after P_LVL2 read + * because chipsets cannot guarantee that STPCLK# signal gets + * asserted in time to freeze execution properly + * + * This workaround has been in place since the original ACPI + * implementation was merged, circa 2002. + * + * If a profile is pointing to this instruction, please first + * consider moving your system to a more modern idle + * mechanism. + */ inl(acpi_gbl_FADT.xpm_timer_block.address); }

diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c index 5215a5e39f3c..292f4c9a963d 100644 --- a/drivers/dma/imx-sdma.c +++ b/drivers/dma/imx-sdma.c @@ -1428,10 +1428,12 @@ static struct sdma_desc *sdma_transfer_init(struct sdma_channel *sdmac, sdma_config_ownership(sdmac, false, true, false);

if (sdma_load_context(sdmac)) - goto err_desc_out; + goto err_bd_out;

return desc;

+err_bd_out: + sdma_free_bd(desc); err_desc_out: kfree(desc); err_out: diff --git a/drivers/extcon/extcon-usbc-tusb320.c b/drivers/extcon/extcon-usbc-tusb320.c index 7223c4b9dc70..9dfa545427ca 100644 --- a/drivers/extcon/extcon-usbc-tusb320.c +++ b/drivers/extcon/extcon-usbc-tusb320.c @@ -1,5 +1,5 @@ // SPDX-License-Identifier: GPL-2.0 -/** +/* * drivers/extcon/extcon-tusb320.c - TUSB320 extcon driver * * Copyright (C) 2020 National Instruments Corporation diff --git a/drivers/firmware/arm_scmi/driver.c b/drivers/firmware/arm_scmi/driver.c index a8ff4c9508b7..11842497b226 100644 --- a/drivers/firmware/arm_scmi/driver.c +++ b/drivers/firmware/arm_scmi/driver.c @@ -783,6 +783,8 @@ static int do_xfer(const struct scmi_protocol_handle *ph, xfer->hdr.protocol_id, xfer->hdr.seq, xfer->hdr.poll_completion);

+ /* Clear any stale status */ + xfer->hdr.status = SCMI_SUCCESS; xfer->state = SCMI_XFER_SENT_OK; /* * Even though spinlocking is not needed here since no race is possible diff --git a/drivers/hid/hid-playstation.c b/drivers/hid/hid-playstation.c index bd0e0fe2f627..944e5e5ff134 100644 --- a/drivers/hid/hid-playstation.c +++ b/drivers/hid/hid-playstation.c @@ -626,6 +626,7 @@ static const struct attribute_group ps_device_attribute_group = {

static int dualsense_get_calibration_data(struct dualsense *ds) { + struct hid_device *hdev = ds->base.hdev; short gyro_pitch_bias, gyro_pitch_plus, gyro_pitch_minus; short gyro_yaw_bias, gyro_yaw_plus, gyro_yaw_minus; short gyro_roll_bias, gyro_roll_plus, gyro_roll_minus; @@ -636,6 +637,7 @@ static int dualsense_get_calibration_data(struct dualsense *ds) int speed_2x; int range_2g; int ret = 0; + int i; uint8_t *buf;

buf = kzalloc(DS_FEATURE_REPORT_CALIBRATION_SIZE, GFP_KERNEL); @@ -687,6 +689,21 @@ static int dualsense_get_calibration_data(struct dualsense *ds) ds->gyro_calib_data[2].sens_numer = speed_2x*DS_GYRO_RES_PER_DEG_S; ds->gyro_calib_data[2].sens_denom = gyro_roll_plus - gyro_roll_minus;

+ /* + * Sanity check gyro calibration data. This is needed to prevent crashes + * during report handling of virtual, clone or broken devices not implementing + * calibration data properly. + */ + for (i = 0; i < ARRAY_SIZE(ds->gyro_calib_data); i++) { + if (ds->gyro_calib_data[i].sens_denom == 0) { + hid_warn(hdev, "Invalid gyro calibration data for axis (%d), disabling calibration.", + ds->gyro_calib_data[i].abs_code); + ds->gyro_calib_data[i].bias = 0; + ds->gyro_calib_data[i].sens_numer = DS_GYRO_RANGE; + ds->gyro_calib_data[i].sens_denom = S16_MAX; + } + } + /* * Set accelerometer calibration and normalization parameters. * Data values will be normalized to 1/DS_ACC_RES_PER_G g. @@ -709,6 +726,21 @@ static int dualsense_get_calibration_data(struct dualsense *ds) ds->accel_calib_data[2].sens_numer = 2*DS_ACC_RES_PER_G; ds->accel_calib_data[2].sens_denom = range_2g;

+ /* + * Sanity check accelerometer calibration data. This is needed to prevent crashes + * during report handling of virtual, clone or broken devices not implementing calibration + * data properly. + */ + for (i = 0; i < ARRAY_SIZE(ds->accel_calib_data); i++) { + if (ds->accel_calib_data[i].sens_denom == 0) { + hid_warn(hdev, "Invalid accelerometer calibration data for axis (%d), disabling calibration.", + ds->accel_calib_data[i].abs_code); + ds->accel_calib_data[i].bias = 0; + ds->accel_calib_data[i].sens_numer = DS_ACC_RANGE; + ds->accel_calib_data[i].sens_denom = S16_MAX; + } + } + err_free: kfree(buf); return ret; diff --git a/fs/cifs/dfs_cache.c b/fs/cifs/dfs_cache.c index 8c98fa507768..1864bdadf3dd 100644 --- a/fs/cifs/dfs_cache.c +++ b/fs/cifs/dfs_cache.c @@ -1050,10 +1050,10 @@ int dfs_cache_update_tgthint(const unsigned int xid, struct cifs_ses *ses, const struct nls_table *cp, int remap, const char *path, const struct dfs_cache_tgt_iterator *it) { - int rc; - const char *npath; - struct cache_entry *ce; struct cache_dfs_tgt *t; + struct cache_entry *ce; + const char *npath; + int rc = 0;

npath = dfs_cache_canonical_path(path, cp, remap); if (IS_ERR(npath)) diff --git a/fs/erofs/zmap.c b/fs/erofs/zmap.c index 7a6df35fdc91..73b86b5c1a75 100644 --- a/fs/erofs/zmap.c +++ b/fs/erofs/zmap.c @@ -700,12 +700,16 @@ static int z_erofs_iomap_begin_report(struct inode *inode, loff_t offset, iomap->type = IOMAP_HOLE; iomap->addr = IOMAP_NULL_ADDR; /* - * No strict rule how to describe extents for post EOF, yet - * we need do like below. Otherwise, iomap itself will get + * No strict rule on how to describe extents for post EOF, yet + * we need to do like below. Otherwise, iomap itself will get * into an endless loop on post EOF. + * + * Calculate the effective offset by subtracting extent start + * (map.m_la) from the requested offset, and add it to length. + * (NB: offset >= map.m_la always) */ if (iomap->offset >= inode->i_size) - iomap->length = length + map.m_la - offset; + iomap->length = length + offset - map.m_la; } iomap->flags = 0; return 0; diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c index 405c68085055..589ed99856f3 100644 --- a/fs/ext4/resize.c +++ b/fs/ext4/resize.c @@ -1445,8 +1445,6 @@ static void ext4_update_super(struct super_block *sb, * active. */ ext4_r_blocks_count_set(es, ext4_r_blocks_count(es) + reserved_blocks); - ext4_superblock_csum_set(sb); - unlock_buffer(sbi->s_sbh);

/* Update the free space counts */ percpu_counter_add(&sbi->s_freeclusters_counter, @@ -1474,6 +1472,8 @@ static void ext4_update_super(struct super_block *sb, ext4_calculate_overhead(sb); es->s_overhead_clusters = cpu_to_le32(sbi->s_overhead);

+ ext4_superblock_csum_set(sb); + unlock_buffer(sbi->s_sbh); if (test_opt(sb, DEBUG)) printk(KERN_DEBUG "EXT4-fs: added group %u:" "%llu blocks(%llu free %llu reserved)\n", flex_gd->count, diff --git a/kernel/trace/bpf_trace.c b/kernel/trace/bpf_trace.c index c289010b0964..4daf1e044556 100644 --- a/kernel/trace/bpf_trace.c +++ b/kernel/trace/bpf_trace.c @@ -793,6 +793,9 @@ static int bpf_send_signal_common(u32 sig, enum pid_type type) return -EPERM; if (unlikely(!nmi_uaccess_okay())) return -EPERM; + /* Task should not be pid=1 to avoid kernel panic. */ + if (unlikely(is_global_init(current))) + return -EPERM;

if (irqs_disabled()) { /* Do an early check on signal validity. Otherwise, diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c index 2337e9275863..9f82fe0e6270 100644 --- a/net/bluetooth/hci_event.c +++ b/net/bluetooth/hci_event.c @@ -4415,6 +4415,19 @@ static void hci_sync_conn_complete_evt(struct hci_dev *hdev, struct hci_ev_sync_conn_complete *ev = (void *) skb->data; struct hci_conn *conn;

+ switch (ev->link_type) { + case SCO_LINK: + case ESCO_LINK: + break; + default: + /* As per Core 5.3 Vol 4 Part E 7.7.35 (p.2219), Link_Type + * for HCI_Synchronous_Connection_Complete is limited to + * either SCO or eSCO + */ + bt_dev_err(hdev, "Ignoring connect complete event for invalid link type"); + return; + } + BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);

hci_dev_lock(hdev); diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 058ec2f17da6..2d3f82b62236 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -3884,7 +3884,7 @@ struct sk_buff *skb_segment_list(struct sk_buff *skb,

skb_shinfo(skb)->frag_list = NULL;

- do { + while (list_skb) { nskb = list_skb; list_skb = list_skb->next;

@@ -3930,8 +3930,7 @@ struct sk_buff *skb_segment_list(struct sk_buff *skb, if (skb_needs_linearize(nskb, features) && __skb_linearize(nskb)) goto err_linearize; - - } while (list_skb); + }

skb->truesize = skb->truesize - delta_truesize; skb->data_len = skb->data_len - delta_len; diff --git a/net/mctp/af_mctp.c b/net/mctp/af_mctp.c index a77fafbc31cf..77137a8627d0 100644 --- a/net/mctp/af_mctp.c +++ b/net/mctp/af_mctp.c @@ -294,6 +294,11 @@ static void mctp_sk_unhash(struct sock *sk) synchronize_rcu(); }

+static void mctp_sk_destruct(struct sock *sk) +{ + skb_queue_purge(&sk->sk_receive_queue); +} + static struct proto mctp_proto = { .name = "MCTP", .owner = THIS_MODULE, @@ -330,6 +335,7 @@ static int mctp_pf_create(struct net *net, struct socket *sock, return -ENOMEM;

sock_init_data(sock, sk); + sk->sk_destruct = mctp_sk_destruct;

rc = 0; if (sk->sk_prot->init) diff --git a/tools/include/linux/kernel.h b/tools/include/linux/kernel.h index c2e109860fbc..5a79572f8b2d 100644 --- a/tools/include/linux/kernel.h +++ b/tools/include/linux/kernel.h @@ -108,7 +108,9 @@ int vscnprintf(char *buf, size_t size, const char *fmt, va_list args); int scnprintf(char * buf, size_t size, const char * fmt, ...); int scnprintf_pad(char * buf, size_t size, const char * fmt, ...);

+#ifndef ARRAY_SIZE #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr)) +#endif

/* * This looks more complex than it should be. But we need to diff --git a/tools/testing/selftests/kselftest.h b/tools/testing/selftests/kselftest.h index 8d50483fe204..898d7b2fac6c 100644 --- a/tools/testing/selftests/kselftest.h +++ b/tools/testing/selftests/kselftest.h @@ -48,6 +48,25 @@ #include <stdarg.h> #include <stdio.h>

+#ifndef ARRAY_SIZE +#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0])) +#endif + +/* + * gcc cpuid.h provides __cpuid_count() since v4.4. + * Clang/LLVM cpuid.h provides __cpuid_count() since v3.4.0. + * + * Provide local define for tests needing __cpuid_count() because + * selftests need to work in older environments that do not yet + * have __cpuid_count(). + */ +#ifndef __cpuid_count +#define __cpuid_count(level, count, a, b, c, d) \ + __asm__ __volatile__ ("cpuid\n\t" \ + : "=a" (a), "=b" (b), "=c" (c), "=d" (d) \ + : "0" (level), "2" (count)) +#endif + /* define kselftest exit codes */ #define KSFT_PASS 0 #define KSFT_FAIL 1 diff --git a/tools/testing/selftests/kselftest_harness.h b/tools/testing/selftests/kselftest_harness.h index 78e59620d28d..11779405dc80 100644 --- a/tools/testing/selftests/kselftest_harness.h +++ b/tools/testing/selftests/kselftest_harness.h @@ -671,7 +671,9 @@ #define EXPECT_STRNE(expected, seen) \ __EXPECT_STR(expected, seen, !=, 0)

+#ifndef ARRAY_SIZE #define ARRAY_SIZE(a) (sizeof(a) / sizeof(a[0])) +#endif

/* Support an optional handler after and ASSERT_* or EXPECT_*. The approach is * not thread-safe, but it should be fine in most sane test scenarios. diff --git a/tools/testing/selftests/vm/mremap_test.c b/tools/testing/selftests/vm/mremap_test.c index e3ce33a9954e..58775dab3cc6 100644 --- a/tools/testing/selftests/vm/mremap_test.c +++ b/tools/testing/selftests/vm/mremap_test.c @@ -22,7 +22,6 @@ #define VALIDATION_DEFAULT_THRESHOLD 4 /* 4MB */ #define VALIDATION_NO_THRESHOLD 0 /* Verify the entire region */

-#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) #define MIN(X, Y) ((X) < (Y) ? (X) : (Y))

struct config { diff --git a/tools/testing/selftests/vm/pkey-helpers.h b/tools/testing/selftests/vm/pkey-helpers.h index 622a85848f61..92f3be3dd8e5 100644 --- a/tools/testing/selftests/vm/pkey-helpers.h +++ b/tools/testing/selftests/vm/pkey-helpers.h @@ -13,6 +13,8 @@ #include <ucontext.h> #include <sys/mman.h>

+#include "../kselftest.h" + /* Define some kernel-like types */ #define u8 __u8 #define u16 __u16 @@ -175,7 +177,6 @@ static inline void __pkey_write_allow(int pkey, int do_allow_write) dprintf4("pkey_reg now: %016llx\n", read_pkey_reg()); }

-#define ARRAY_SIZE(x) (sizeof(x) / sizeof(*(x))) #define ALIGN_UP(x, align_to) (((x) + ((align_to)-1)) & ~((align_to)-1)) #define ALIGN_DOWN(x, align_to) ((x) & ~((align_to)-1)) #define ALIGN_PTR_UP(p, ptr_align_to) \ diff --git a/tools/testing/selftests/vm/va_128TBswitch.c b/tools/testing/selftests/vm/va_128TBswitch.c index 83acdff26a13..da6ec3b53ea8 100644 --- a/tools/testing/selftests/vm/va_128TBswitch.c +++ b/tools/testing/selftests/vm/va_128TBswitch.c @@ -9,7 +9,7 @@ #include <sys/mman.h> #include <string.h>

-#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0])) +#include "../kselftest.h"

#ifdef __powerpc64__ #define PAGE_SIZE (64 << 10)