From f5ca0d515675f20f0d7ab7c27aef7aa4f62e4c03 Mon Sep 17 00:00:00 2001 From: "Jiri Slaby (SUSE)" Date: Tue, 13 Feb 2024 12:20:45 +0100 Subject: [PATCH 1/7] EDAC/amd64: Remove unused struct member amd64_pvt::ext_nbcfg Commit cfe40fdb4a46 ("amd64_edac: add driver header") added amd64_pvt struct with ext_nbcfg in it. But no one used that member since then. Therefore, remove it. Found by https://github.com/jirislaby/clang-struct. Signed-off-by: Jiri Slaby (SUSE) Signed-off-by: Borislav Petkov (AMD) Reviewed-by: Yazen Ghannam Link: https://lore.kernel.org/r/20240213112051.27715-2-jirislaby@kernel.org Signed-off-by: Borislav Petkov (AMD) --- drivers/edac/amd64_edac.h | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/edac/amd64_edac.h b/drivers/edac/amd64_edac.h index 1665f7932bac..b879b12971e7 100644 --- a/drivers/edac/amd64_edac.h +++ b/drivers/edac/amd64_edac.h @@ -345,7 +345,6 @@ struct amd64_pvt { u32 dchr1; /* DRAM Configuration High DCT1 reg */ u32 nbcap; /* North Bridge Capabilities */ u32 nbcfg; /* F10 North Bridge Configuration */ - u32 ext_nbcfg; /* Extended F10 North Bridge Configuration */ u32 dhar; /* DRAM Hoist reg */ u32 dbam0; /* DRAM Base Address Mapping reg for DCT0 */ u32 dbam1; /* DRAM Base Address Mapping reg for DCT1 */ From 3667a35a50f4fde8400ab988340a6f84aaebda7b Mon Sep 17 00:00:00 2001 From: "Jiri Slaby (SUSE)" Date: Tue, 13 Feb 2024 12:20:46 +0100 Subject: [PATCH 2/7] EDAC/device: Remove edac_dev_sysfs_block_attribute::{block,value} They're unused. And they were never used since their addition in fd309a9d8e63 ("drivers/edac: fix leaf sysfs attribute") Drop it. Found by https://github.com/jirislaby/clang-struct. Signed-off-by: Jiri Slaby (SUSE) Signed-off-by: Borislav Petkov (AMD) Link: https://lore.kernel.org/r/20240213112051.27715-3-jirislaby@kernel.org Signed-off-by: Borislav Petkov (AMD) --- drivers/edac/edac_device.c | 2 -- drivers/edac/edac_device.h | 6 ------ 2 files changed, 8 deletions(-) diff --git a/drivers/edac/edac_device.c b/drivers/edac/edac_device.c index 0689e1510721..0e18729111d4 100644 --- a/drivers/edac/edac_device.c +++ b/drivers/edac/edac_device.c @@ -162,8 +162,6 @@ edac_device_alloc_ctl_info(unsigned pvt_sz, char *dev_name, unsigned nr_instance attrib->show = attrib_spec[attr].show; attrib->store = attrib_spec[attr].store; - attrib->block = blk; /* up link */ - edac_dbg(4, "alloc-attrib=%p attrib_name='%s' attrib-spec=%p spec-name=%s\n", attrib, attrib->attr.name, &attrib_spec[attr], diff --git a/drivers/edac/edac_device.h b/drivers/edac/edac_device.h index 7db22a4c83ef..c4704b5b1e9f 100644 --- a/drivers/edac/edac_device.h +++ b/drivers/edac/edac_device.h @@ -99,18 +99,12 @@ struct edac_dev_sysfs_attribute { * can have an array of the following. The show and store functions * will be filled in with the show/store function in the * low level driver. - * - * The 'value' field will be the actual value field used for - * counting */ struct edac_dev_sysfs_block_attribute { struct attribute attr; ssize_t (*show)(struct kobject *, struct attribute *, char *); ssize_t (*store)(struct kobject *, struct attribute *, const char *, size_t); - struct edac_device_block *block; - - unsigned int value; }; /* device block control structure */ From 9186695ef709933eee8fc96a706bcbd6aec1b396 Mon Sep 17 00:00:00 2001 From: "Jiri Slaby (SUSE)" Date: Tue, 13 Feb 2024 12:20:47 +0100 Subject: [PATCH 3/7] EDAC/device: Remove edac_dev_sysfs_block_attribute::store() No one uses this store hook (both BLOCK_ATTR() pass NULL). It actually never was since its addition in fd309a9d8e63 ("drivers/edac: fix leaf sysfs attribute") so drop it. Found by https://github.com/jirislaby/clang-struct. Signed-off-by: Jiri Slaby (SUSE) Signed-off-by: Borislav Petkov (AMD) Link: https://lore.kernel.org/r/20240213112051.27715-4-jirislaby@kernel.org Signed-off-by: Borislav Petkov (AMD) --- drivers/edac/edac_device.c | 1 - drivers/edac/edac_device.h | 9 +++------ drivers/edac/edac_device_sysfs.c | 22 +++------------------- 3 files changed, 6 insertions(+), 26 deletions(-) diff --git a/drivers/edac/edac_device.c b/drivers/edac/edac_device.c index 0e18729111d4..8c2aa5bcf1b7 100644 --- a/drivers/edac/edac_device.c +++ b/drivers/edac/edac_device.c @@ -160,7 +160,6 @@ edac_device_alloc_ctl_info(unsigned pvt_sz, char *dev_name, unsigned nr_instance */ attrib->attr = attrib_spec[attr].attr; attrib->show = attrib_spec[attr].show; - attrib->store = attrib_spec[attr].store; edac_dbg(4, "alloc-attrib=%p attrib_name='%s' attrib-spec=%p spec-name=%s\n", attrib, attrib->attr.name, diff --git a/drivers/edac/edac_device.h b/drivers/edac/edac_device.h index c4704b5b1e9f..a39752432c90 100644 --- a/drivers/edac/edac_device.h +++ b/drivers/edac/edac_device.h @@ -95,16 +95,13 @@ struct edac_dev_sysfs_attribute { * * used in leaf 'block' nodes for adding controls/attributes * - * each block in each instance of the containing control structure - * can have an array of the following. The show and store functions - * will be filled in with the show/store function in the - * low level driver. + * each block in each instance of the containing control structure can + * have an array of the following. The show function will be filled in + * with the show function in the low level driver. */ struct edac_dev_sysfs_block_attribute { struct attribute attr; ssize_t (*show)(struct kobject *, struct attribute *, char *); - ssize_t (*store)(struct kobject *, struct attribute *, - const char *, size_t); }; /* device block control structure */ diff --git a/drivers/edac/edac_device_sysfs.c b/drivers/edac/edac_device_sysfs.c index 237a542e045a..fcebc4ffea26 100644 --- a/drivers/edac/edac_device_sysfs.c +++ b/drivers/edac/edac_device_sysfs.c @@ -457,35 +457,19 @@ static ssize_t edac_dev_block_show(struct kobject *kobj, return -EIO; } -/* Function to 'store' fields into the edac_dev 'block' structure */ -static ssize_t edac_dev_block_store(struct kobject *kobj, - struct attribute *attr, - const char *buffer, size_t count) -{ - struct edac_dev_sysfs_block_attribute *block_attr; - - block_attr = to_block_attr(attr); - - if (block_attr->store) - return block_attr->store(kobj, attr, buffer, count); - return -EIO; -} - /* edac_dev file operations for a 'block' */ static const struct sysfs_ops device_block_ops = { .show = edac_dev_block_show, - .store = edac_dev_block_store }; -#define BLOCK_ATTR(_name,_mode,_show,_store) \ +#define BLOCK_ATTR(_name,_mode,_show) \ static struct edac_dev_sysfs_block_attribute attr_block_##_name = { \ .attr = {.name = __stringify(_name), .mode = _mode }, \ .show = _show, \ - .store = _store, \ }; -BLOCK_ATTR(ce_count, S_IRUGO, block_ce_count_show, NULL); -BLOCK_ATTR(ue_count, S_IRUGO, block_ue_count_show, NULL); +BLOCK_ATTR(ce_count, S_IRUGO, block_ce_count_show); +BLOCK_ATTR(ue_count, S_IRUGO, block_ue_count_show); /* list of edac_dev 'block' attributes */ static struct attribute *device_block_attrs[] = { From 48bc8869c5ddb0d8d0b6ee81aa81cf1287a20815 Mon Sep 17 00:00:00 2001 From: "Jiri Slaby (SUSE)" Date: Tue, 13 Feb 2024 12:20:48 +0100 Subject: [PATCH 4/7] EDAC: Remove dynamic attributes from edac_device_alloc_ctl_info() Dynamic attributes are not passed from any caller of edac_device_alloc_ctl_info(). Drop this unused/untested functionality completely. Signed-off-by: Jiri Slaby (SUSE) Signed-off-by: Borislav Petkov (AMD) Link: https://lore.kernel.org/r/20240213112051.27715-5-jirislaby@kernel.org Signed-off-by: Borislav Petkov (AMD) --- drivers/edac/altera_edac.c | 8 ++---- drivers/edac/amd8111_edac.c | 3 +- drivers/edac/armada_xp_edac.c | 2 +- drivers/edac/cpc925_edac.c | 2 +- drivers/edac/edac_device.c | 50 ++------------------------------- drivers/edac/edac_device.h | 4 --- drivers/edac/highbank_l2_edac.c | 2 +- drivers/edac/mpc85xx_edac.c | 2 +- drivers/edac/octeon_edac-l2c.c | 2 +- drivers/edac/octeon_edac-pc.c | 2 +- drivers/edac/qcom_edac.c | 1 - drivers/edac/sifive_edac.c | 3 +- drivers/edac/thunderx_edac.c | 6 ++-- drivers/edac/xgene_edac.c | 10 +++---- drivers/edac/zynqmp_edac.c | 2 +- 15 files changed, 20 insertions(+), 79 deletions(-) diff --git a/drivers/edac/altera_edac.c b/drivers/edac/altera_edac.c index ae17ce4d9722..fe89f5c4837f 100644 --- a/drivers/edac/altera_edac.c +++ b/drivers/edac/altera_edac.c @@ -737,8 +737,7 @@ static int altr_edac_device_probe(struct platform_device *pdev) } dci = edac_device_alloc_ctl_info(sizeof(*drvdata), ecc_name, - 1, ecc_name, 1, 0, NULL, 0, - dev_instance++); + 1, ecc_name, 1, 0, dev_instance++); if (!dci) { edac_printk(KERN_ERR, EDAC_DEVICE, @@ -1514,7 +1513,7 @@ static int altr_portb_setup(struct altr_edac_device_dev *device) /* Create the PortB EDAC device */ edac_idx = edac_device_alloc_index(); dci = edac_device_alloc_ctl_info(sizeof(*altdev), ecc_name, 1, - ecc_name, 1, 0, NULL, 0, edac_idx); + ecc_name, 1, 0, edac_idx); if (!dci) { edac_printk(KERN_ERR, EDAC_DEVICE, "%s: Unable to allocate PortB EDAC device\n", @@ -1921,8 +1920,7 @@ static int altr_edac_a10_device_add(struct altr_arria10_edac *edac, edac_idx = edac_device_alloc_index(); dci = edac_device_alloc_ctl_info(sizeof(*altdev), ecc_name, - 1, ecc_name, 1, 0, NULL, 0, - edac_idx); + 1, ecc_name, 1, 0, edac_idx); if (!dci) { edac_printk(KERN_ERR, EDAC_DEVICE, diff --git a/drivers/edac/amd8111_edac.c b/drivers/edac/amd8111_edac.c index ca718f63fcbc..a6d3013d5823 100644 --- a/drivers/edac/amd8111_edac.c +++ b/drivers/edac/amd8111_edac.c @@ -366,8 +366,7 @@ static int amd8111_dev_probe(struct pci_dev *dev, dev_info->edac_idx = edac_device_alloc_index(); dev_info->edac_dev = edac_device_alloc_ctl_info(0, dev_info->ctl_name, 1, - NULL, 0, 0, - NULL, 0, dev_info->edac_idx); + NULL, 0, 0, dev_info->edac_idx); if (!dev_info->edac_dev) { ret = -ENOMEM; goto err_dev_put; diff --git a/drivers/edac/armada_xp_edac.c b/drivers/edac/armada_xp_edac.c index 25517c99b3ea..589bc81f1249 100644 --- a/drivers/edac/armada_xp_edac.c +++ b/drivers/edac/armada_xp_edac.c @@ -523,7 +523,7 @@ static int aurora_l2_probe(struct platform_device *pdev) dev_warn(&pdev->dev, "data ECC is not enabled\n"); dci = edac_device_alloc_ctl_info(sizeof(*drvdata), - "cpu", 1, "L", 1, 2, NULL, 0, 0); + "cpu", 1, "L", 1, 2, 0); if (!dci) return -ENOMEM; diff --git a/drivers/edac/cpc925_edac.c b/drivers/edac/cpc925_edac.c index 5075dc7526e3..eb702bc3aa29 100644 --- a/drivers/edac/cpc925_edac.c +++ b/drivers/edac/cpc925_edac.c @@ -797,7 +797,7 @@ static void cpc925_add_edac_devices(void __iomem *vbase) dev_info->edac_idx = edac_device_alloc_index(); dev_info->edac_dev = edac_device_alloc_ctl_info(0, dev_info->ctl_name, - 1, NULL, 0, 0, NULL, 0, dev_info->edac_idx); + 1, NULL, 0, 0, dev_info->edac_idx); if (!dev_info->edac_dev) { cpc925_printk(KERN_ERR, "No memory for edac device\n"); goto err1; diff --git a/drivers/edac/edac_device.c b/drivers/edac/edac_device.c index 8c2aa5bcf1b7..621dc2a5d034 100644 --- a/drivers/edac/edac_device.c +++ b/drivers/edac/edac_device.c @@ -56,14 +56,12 @@ static void edac_device_dump_device(struct edac_device_ctl_info *edac_dev) struct edac_device_ctl_info * edac_device_alloc_ctl_info(unsigned pvt_sz, char *dev_name, unsigned nr_instances, char *blk_name, unsigned nr_blocks, unsigned off_val, - struct edac_dev_sysfs_block_attribute *attrib_spec, - unsigned nr_attrib, int device_index) + int device_index) { - struct edac_dev_sysfs_block_attribute *dev_attrib, *attrib_p, *attrib; struct edac_device_block *dev_blk, *blk_p, *blk; struct edac_device_instance *dev_inst, *inst; struct edac_device_ctl_info *dev_ctl; - unsigned instance, block, attr; + unsigned instance, block; void *pvt; int err; @@ -85,15 +83,6 @@ edac_device_alloc_ctl_info(unsigned pvt_sz, char *dev_name, unsigned nr_instance dev_ctl->blocks = dev_blk; - if (nr_attrib) { - dev_attrib = kcalloc(nr_attrib, sizeof(struct edac_dev_sysfs_block_attribute), - GFP_KERNEL); - if (!dev_attrib) - goto free; - - dev_ctl->attribs = dev_attrib; - } - if (pvt_sz) { pvt = kzalloc(pvt_sz, GFP_KERNEL); if (!pvt) @@ -132,41 +121,6 @@ edac_device_alloc_ctl_info(unsigned pvt_sz, char *dev_name, unsigned nr_instance edac_dbg(4, "instance=%d inst_p=%p block=#%d block_p=%p name='%s'\n", instance, inst, block, blk, blk->name); - - /* if there are NO attributes OR no attribute pointer - * then continue on to next block iteration - */ - if ((nr_attrib == 0) || (attrib_spec == NULL)) - continue; - - /* setup the attribute array for this block */ - blk->nr_attribs = nr_attrib; - attrib_p = &dev_attrib[block*nr_instances*nr_attrib]; - blk->block_attributes = attrib_p; - - edac_dbg(4, "THIS BLOCK_ATTRIB=%p\n", - blk->block_attributes); - - /* Initialize every user specified attribute in this - * block with the data the caller passed in - * Each block gets its own copy of pointers, - * and its unique 'value' - */ - for (attr = 0; attr < nr_attrib; attr++) { - attrib = &attrib_p[attr]; - - /* populate the unique per attrib - * with the code pointers and info - */ - attrib->attr = attrib_spec[attr].attr; - attrib->show = attrib_spec[attr].show; - - edac_dbg(4, "alloc-attrib=%p attrib_name='%s' attrib-spec=%p spec-name=%s\n", - attrib, attrib->attr.name, - &attrib_spec[attr], - attrib_spec[attr].attr.name - ); - } } } diff --git a/drivers/edac/edac_device.h b/drivers/edac/edac_device.h index a39752432c90..55be019c12ca 100644 --- a/drivers/edac/edac_device.h +++ b/drivers/edac/edac_device.h @@ -208,7 +208,6 @@ struct edac_device_ctl_info { u32 nr_instances; struct edac_device_instance *instances; struct edac_device_block *blocks; - struct edac_dev_sysfs_block_attribute *attribs; /* Event counters for the this whole EDAC Device */ struct edac_device_counter counters; @@ -236,8 +235,6 @@ extern struct edac_device_ctl_info *edac_device_alloc_ctl_info( char *edac_device_name, unsigned nr_instances, char *edac_block_name, unsigned nr_blocks, unsigned offset_value, - struct edac_dev_sysfs_block_attribute *block_attributes, - unsigned nr_attribs, int device_index); /* The offset value can be: @@ -347,7 +344,6 @@ static inline void __edac_device_free_ctl_info(struct edac_device_ctl_info *ci) { if (ci) { kfree(ci->pvt_info); - kfree(ci->attribs); kfree(ci->blocks); kfree(ci->instances); kfree(ci); diff --git a/drivers/edac/highbank_l2_edac.c b/drivers/edac/highbank_l2_edac.c index 5646c049a934..282ca6535f8f 100644 --- a/drivers/edac/highbank_l2_edac.c +++ b/drivers/edac/highbank_l2_edac.c @@ -54,7 +54,7 @@ static int highbank_l2_err_probe(struct platform_device *pdev) int res = 0; dci = edac_device_alloc_ctl_info(sizeof(*drvdata), "cpu", - 1, "L", 1, 2, NULL, 0, 0); + 1, "L", 1, 2, 0); if (!dci) return -ENOMEM; diff --git a/drivers/edac/mpc85xx_edac.c b/drivers/edac/mpc85xx_edac.c index c1bc53f4e184..e8945d4adbad 100644 --- a/drivers/edac/mpc85xx_edac.c +++ b/drivers/edac/mpc85xx_edac.c @@ -496,7 +496,7 @@ static int mpc85xx_l2_err_probe(struct platform_device *op) return -ENOMEM; edac_dev = edac_device_alloc_ctl_info(sizeof(*pdata), - "cpu", 1, "L", 1, 2, NULL, 0, + "cpu", 1, "L", 1, 2, edac_dev_idx); if (!edac_dev) { devres_release_group(&op->dev, mpc85xx_l2_err_probe); diff --git a/drivers/edac/octeon_edac-l2c.c b/drivers/edac/octeon_edac-l2c.c index 4015eb9af6fe..919095d10528 100644 --- a/drivers/edac/octeon_edac-l2c.c +++ b/drivers/edac/octeon_edac-l2c.c @@ -138,7 +138,7 @@ static int octeon_l2c_probe(struct platform_device *pdev) /* 'Tags' are block 0, 'Data' is block 1*/ l2c = edac_device_alloc_ctl_info(0, "l2c", num_tads, "l2c", 2, 0, - NULL, 0, edac_device_alloc_index()); + edac_device_alloc_index()); if (!l2c) return -ENOMEM; diff --git a/drivers/edac/octeon_edac-pc.c b/drivers/edac/octeon_edac-pc.c index ea8a8e337b1e..b8404cc7b65f 100644 --- a/drivers/edac/octeon_edac-pc.c +++ b/drivers/edac/octeon_edac-pc.c @@ -92,7 +92,7 @@ static int co_cache_error_probe(struct platform_device *pdev) platform_set_drvdata(pdev, p); p->ed = edac_device_alloc_ctl_info(0, "cpu", num_possible_cpus(), - "cache", 2, 0, NULL, 0, + "cache", 2, 0, edac_device_alloc_index()); if (!p->ed) goto err; diff --git a/drivers/edac/qcom_edac.c b/drivers/edac/qcom_edac.c index 5539917c01dd..d3cd4cc54ace 100644 --- a/drivers/edac/qcom_edac.c +++ b/drivers/edac/qcom_edac.c @@ -349,7 +349,6 @@ static int qcom_llcc_edac_probe(struct platform_device *pdev) /* Allocate edac control info */ edev_ctl = edac_device_alloc_ctl_info(0, "qcom-llcc", 1, "bank", llcc_driv_data->num_banks, 1, - NULL, 0, edac_device_alloc_index()); if (!edev_ctl) diff --git a/drivers/edac/sifive_edac.c b/drivers/edac/sifive_edac.c index b844e2626fd5..a2b193dc6604 100644 --- a/drivers/edac/sifive_edac.c +++ b/drivers/edac/sifive_edac.c @@ -52,8 +52,7 @@ static int ecc_register(struct platform_device *pdev) platform_set_drvdata(pdev, p); p->dci = edac_device_alloc_ctl_info(0, "sifive_ecc", 1, "sifive_ecc", - 1, 1, NULL, 0, - edac_device_alloc_index()); + 1, 1, edac_device_alloc_index()); if (!p->dci) return -ENOMEM; diff --git a/drivers/edac/thunderx_edac.c b/drivers/edac/thunderx_edac.c index 90d46e5c4ff0..fab9891e569a 100644 --- a/drivers/edac/thunderx_edac.c +++ b/drivers/edac/thunderx_edac.c @@ -1365,8 +1365,7 @@ static int thunderx_ocx_probe(struct pci_dev *pdev, idx = edac_device_alloc_index(); snprintf(name, sizeof(name), "OCX%d", idx); edac_dev = edac_device_alloc_ctl_info(sizeof(struct thunderx_ocx), - name, 1, "CCPI", 1, - 0, NULL, 0, idx); + name, 1, "CCPI", 1, 0, idx); if (!edac_dev) { dev_err(&pdev->dev, "Cannot allocate EDAC device\n"); return -ENOMEM; @@ -2004,8 +2003,7 @@ static int thunderx_l2c_probe(struct pci_dev *pdev, snprintf(name, sizeof(name), fmt, idx); edac_dev = edac_device_alloc_ctl_info(sizeof(struct thunderx_l2c), - name, 1, "L2C", 1, 0, - NULL, 0, idx); + name, 1, "L2C", 1, 0, idx); if (!edac_dev) { dev_err(&pdev->dev, "Cannot allocate EDAC device\n"); return -ENOMEM; diff --git a/drivers/edac/xgene_edac.c b/drivers/edac/xgene_edac.c index 1b50f8160013..fd87f1b2c145 100644 --- a/drivers/edac/xgene_edac.c +++ b/drivers/edac/xgene_edac.c @@ -913,8 +913,8 @@ static int xgene_edac_pmd_add(struct xgene_edac *edac, struct device_node *np, snprintf(edac_name, sizeof(edac_name), "l2c%d", pmd); edac_dev = edac_device_alloc_ctl_info(sizeof(*ctx), - edac_name, 1, "l2c", 1, 2, NULL, - 0, edac_device_alloc_index()); + edac_name, 1, "l2c", 1, 2, + edac_device_alloc_index()); if (!edac_dev) { rc = -ENOMEM; goto err_group; @@ -1208,8 +1208,7 @@ static int xgene_edac_l3_add(struct xgene_edac *edac, struct device_node *np, edac_idx = edac_device_alloc_index(); edac_dev = edac_device_alloc_ctl_info(sizeof(*ctx), - "l3c", 1, "l3c", 1, 0, NULL, 0, - edac_idx); + "l3c", 1, "l3c", 1, 0, edac_idx); if (!edac_dev) { rc = -ENOMEM; goto err_release_group; @@ -1748,8 +1747,7 @@ static int xgene_edac_soc_add(struct xgene_edac *edac, struct device_node *np, edac_idx = edac_device_alloc_index(); edac_dev = edac_device_alloc_ctl_info(sizeof(*ctx), - "SOC", 1, "SOC", 1, 2, NULL, 0, - edac_idx); + "SOC", 1, "SOC", 1, 2, edac_idx); if (!edac_dev) { rc = -ENOMEM; goto err_release_group; diff --git a/drivers/edac/zynqmp_edac.c b/drivers/edac/zynqmp_edac.c index 2d9a5cfd8931..c9dc78d8c824 100644 --- a/drivers/edac/zynqmp_edac.c +++ b/drivers/edac/zynqmp_edac.c @@ -381,7 +381,7 @@ static int edac_probe(struct platform_device *pdev) } dci = edac_device_alloc_ctl_info(sizeof(*priv), ZYNQMP_OCM_EDAC_STRING, - 1, ZYNQMP_OCM_EDAC_STRING, 1, 0, NULL, 0, + 1, ZYNQMP_OCM_EDAC_STRING, 1, 0, edac_device_alloc_index()); if (!dci) return -ENOMEM; From c8d37084e93fcd937d41b2df59e934a18ff6ae04 Mon Sep 17 00:00:00 2001 From: "Jiri Slaby (SUSE)" Date: Tue, 13 Feb 2024 12:20:49 +0100 Subject: [PATCH 5/7] EDAC: Remove unused struct members Remove unused - edac_pci_ctl_info::edac_subsys - edac_pci_ctl_info::complete - edac_device_ctl_info::removal_complete members. Found by https://github.com/jirislaby/clang-struct. [ bp: Squash three almost identical trivial patches into one. ] Signed-off-by: Jiri Slaby (SUSE) Signed-off-by: Borislav Petkov (AMD) Link: https://lore.kernel.org/r/20240213112051.27715-6-jirislaby@kernel.org Signed-off-by: Borislav Petkov (AMD) --- drivers/edac/edac_device.h | 3 --- drivers/edac/edac_pci.h | 5 ----- 2 files changed, 8 deletions(-) diff --git a/drivers/edac/edac_device.h b/drivers/edac/edac_device.h index 55be019c12ca..034711d71ebf 100644 --- a/drivers/edac/edac_device.h +++ b/drivers/edac/edac_device.h @@ -22,7 +22,6 @@ #ifndef _EDAC_DEVICE_H_ #define _EDAC_DEVICE_H_ -#include #include #include #include @@ -191,8 +190,6 @@ struct edac_device_ctl_info { unsigned long start_time; /* edac_device load start time (jiffies) */ - struct completion removal_complete; - /* sysfs top name under 'edac' directory * and instance name: * cpu/cpu0/... diff --git a/drivers/edac/edac_pci.h b/drivers/edac/edac_pci.h index 5175f5724cfa..3f47cd9b2b03 100644 --- a/drivers/edac/edac_pci.h +++ b/drivers/edac/edac_pci.h @@ -22,7 +22,6 @@ #ifndef _EDAC_PCI_H_ #define _EDAC_PCI_H_ -#include #include #include #include @@ -48,8 +47,6 @@ struct edac_pci_ctl_info { int pci_idx; - struct bus_type *edac_subsys; /* pointer to subsystem */ - /* the internal state of this controller instance */ int op_state; /* work struct for this instance */ @@ -72,8 +69,6 @@ struct edac_pci_ctl_info { unsigned long start_time; /* edac_pci load start time (jiffies) */ - struct completion complete; - /* sysfs top name under 'edac' directory * and instance name: * cpu/cpu0/... From d7518ad4ed0cc9e6a532149dcde924e63c133cfc Mon Sep 17 00:00:00 2001 From: Li Zhijian Date: Thu, 14 Mar 2024 16:46:28 +0800 Subject: [PATCH 6/7] EDAC/mc_sysfs: Convert sprintf()/snprintf() to sysfs_emit() Per Documentation/filesystems/sysfs.rst, show() should only use sysfs_emit() or sysfs_emit_at() when formatting the value to be returned to user space. Generated by: make coccicheck M= MODE=patch \ COCCI=scripts/coccinelle/api/device_attr_show.cocci No functional change intended. [ bp: Massage. ] Signed-off-by: Li Zhijian Signed-off-by: Borislav Petkov (AMD) Link: https://lore.kernel.org/r/20240314084628.1322006-1-lizhijian@fujitsu.com --- drivers/edac/edac_mc_sysfs.c | 47 ++++++++++++++++++------------------ 1 file changed, 23 insertions(+), 24 deletions(-) diff --git a/drivers/edac/edac_mc_sysfs.c b/drivers/edac/edac_mc_sysfs.c index 5116873c3330..4200aec04831 100644 --- a/drivers/edac/edac_mc_sysfs.c +++ b/drivers/edac/edac_mc_sysfs.c @@ -146,7 +146,7 @@ static ssize_t csrow_ue_count_show(struct device *dev, { struct csrow_info *csrow = to_csrow(dev); - return sprintf(data, "%u\n", csrow->ue_count); + return sysfs_emit(data, "%u\n", csrow->ue_count); } static ssize_t csrow_ce_count_show(struct device *dev, @@ -154,7 +154,7 @@ static ssize_t csrow_ce_count_show(struct device *dev, { struct csrow_info *csrow = to_csrow(dev); - return sprintf(data, "%u\n", csrow->ce_count); + return sysfs_emit(data, "%u\n", csrow->ce_count); } static ssize_t csrow_size_show(struct device *dev, @@ -166,7 +166,7 @@ static ssize_t csrow_size_show(struct device *dev, for (i = 0; i < csrow->nr_channels; i++) nr_pages += csrow->channels[i]->dimm->nr_pages; - return sprintf(data, "%u\n", PAGES_TO_MiB(nr_pages)); + return sysfs_emit(data, "%u\n", PAGES_TO_MiB(nr_pages)); } static ssize_t csrow_mem_type_show(struct device *dev, @@ -174,7 +174,7 @@ static ssize_t csrow_mem_type_show(struct device *dev, { struct csrow_info *csrow = to_csrow(dev); - return sprintf(data, "%s\n", edac_mem_types[csrow->channels[0]->dimm->mtype]); + return sysfs_emit(data, "%s\n", edac_mem_types[csrow->channels[0]->dimm->mtype]); } static ssize_t csrow_dev_type_show(struct device *dev, @@ -182,7 +182,7 @@ static ssize_t csrow_dev_type_show(struct device *dev, { struct csrow_info *csrow = to_csrow(dev); - return sprintf(data, "%s\n", dev_types[csrow->channels[0]->dimm->dtype]); + return sysfs_emit(data, "%s\n", dev_types[csrow->channels[0]->dimm->dtype]); } static ssize_t csrow_edac_mode_show(struct device *dev, @@ -191,7 +191,7 @@ static ssize_t csrow_edac_mode_show(struct device *dev, { struct csrow_info *csrow = to_csrow(dev); - return sprintf(data, "%s\n", edac_caps[csrow->channels[0]->dimm->edac_mode]); + return sysfs_emit(data, "%s\n", edac_caps[csrow->channels[0]->dimm->edac_mode]); } /* show/store functions for DIMM Label attributes */ @@ -207,8 +207,7 @@ static ssize_t channel_dimm_label_show(struct device *dev, if (!rank->dimm->label[0]) return 0; - return snprintf(data, sizeof(rank->dimm->label) + 1, "%s\n", - rank->dimm->label); + return sysfs_emit(data, "%s\n", rank->dimm->label); } static ssize_t channel_dimm_label_store(struct device *dev, @@ -243,7 +242,7 @@ static ssize_t channel_ce_count_show(struct device *dev, unsigned int chan = to_channel(mattr); struct rank_info *rank = csrow->channels[chan]; - return sprintf(data, "%u\n", rank->ce_count); + return sysfs_emit(data, "%u\n", rank->ce_count); } /* cwrow/attribute files */ @@ -515,7 +514,7 @@ static ssize_t dimmdev_label_show(struct device *dev, if (!dimm->label[0]) return 0; - return snprintf(data, sizeof(dimm->label) + 1, "%s\n", dimm->label); + return sysfs_emit(data, "%s\n", dimm->label); } static ssize_t dimmdev_label_store(struct device *dev, @@ -546,7 +545,7 @@ static ssize_t dimmdev_size_show(struct device *dev, { struct dimm_info *dimm = to_dimm(dev); - return sprintf(data, "%u\n", PAGES_TO_MiB(dimm->nr_pages)); + return sysfs_emit(data, "%u\n", PAGES_TO_MiB(dimm->nr_pages)); } static ssize_t dimmdev_mem_type_show(struct device *dev, @@ -554,7 +553,7 @@ static ssize_t dimmdev_mem_type_show(struct device *dev, { struct dimm_info *dimm = to_dimm(dev); - return sprintf(data, "%s\n", edac_mem_types[dimm->mtype]); + return sysfs_emit(data, "%s\n", edac_mem_types[dimm->mtype]); } static ssize_t dimmdev_dev_type_show(struct device *dev, @@ -562,7 +561,7 @@ static ssize_t dimmdev_dev_type_show(struct device *dev, { struct dimm_info *dimm = to_dimm(dev); - return sprintf(data, "%s\n", dev_types[dimm->dtype]); + return sysfs_emit(data, "%s\n", dev_types[dimm->dtype]); } static ssize_t dimmdev_edac_mode_show(struct device *dev, @@ -571,7 +570,7 @@ static ssize_t dimmdev_edac_mode_show(struct device *dev, { struct dimm_info *dimm = to_dimm(dev); - return sprintf(data, "%s\n", edac_caps[dimm->edac_mode]); + return sysfs_emit(data, "%s\n", edac_caps[dimm->edac_mode]); } static ssize_t dimmdev_ce_count_show(struct device *dev, @@ -580,7 +579,7 @@ static ssize_t dimmdev_ce_count_show(struct device *dev, { struct dimm_info *dimm = to_dimm(dev); - return sprintf(data, "%u\n", dimm->ce_count); + return sysfs_emit(data, "%u\n", dimm->ce_count); } static ssize_t dimmdev_ue_count_show(struct device *dev, @@ -589,7 +588,7 @@ static ssize_t dimmdev_ue_count_show(struct device *dev, { struct dimm_info *dimm = to_dimm(dev); - return sprintf(data, "%u\n", dimm->ue_count); + return sysfs_emit(data, "%u\n", dimm->ue_count); } /* dimm/rank attribute files */ @@ -758,7 +757,7 @@ static ssize_t mci_sdram_scrub_rate_show(struct device *dev, return bandwidth; } - return sprintf(data, "%d\n", bandwidth); + return sysfs_emit(data, "%d\n", bandwidth); } /* default attribute files for the MCI object */ @@ -768,7 +767,7 @@ static ssize_t mci_ue_count_show(struct device *dev, { struct mem_ctl_info *mci = to_mci(dev); - return sprintf(data, "%u\n", mci->ue_mc); + return sysfs_emit(data, "%u\n", mci->ue_mc); } static ssize_t mci_ce_count_show(struct device *dev, @@ -777,7 +776,7 @@ static ssize_t mci_ce_count_show(struct device *dev, { struct mem_ctl_info *mci = to_mci(dev); - return sprintf(data, "%u\n", mci->ce_mc); + return sysfs_emit(data, "%u\n", mci->ce_mc); } static ssize_t mci_ce_noinfo_show(struct device *dev, @@ -786,7 +785,7 @@ static ssize_t mci_ce_noinfo_show(struct device *dev, { struct mem_ctl_info *mci = to_mci(dev); - return sprintf(data, "%u\n", mci->ce_noinfo_count); + return sysfs_emit(data, "%u\n", mci->ce_noinfo_count); } static ssize_t mci_ue_noinfo_show(struct device *dev, @@ -795,7 +794,7 @@ static ssize_t mci_ue_noinfo_show(struct device *dev, { struct mem_ctl_info *mci = to_mci(dev); - return sprintf(data, "%u\n", mci->ue_noinfo_count); + return sysfs_emit(data, "%u\n", mci->ue_noinfo_count); } static ssize_t mci_seconds_show(struct device *dev, @@ -804,7 +803,7 @@ static ssize_t mci_seconds_show(struct device *dev, { struct mem_ctl_info *mci = to_mci(dev); - return sprintf(data, "%ld\n", (jiffies - mci->start_time) / HZ); + return sysfs_emit(data, "%ld\n", (jiffies - mci->start_time) / HZ); } static ssize_t mci_ctl_name_show(struct device *dev, @@ -813,7 +812,7 @@ static ssize_t mci_ctl_name_show(struct device *dev, { struct mem_ctl_info *mci = to_mci(dev); - return sprintf(data, "%s\n", mci->ctl_name); + return sysfs_emit(data, "%s\n", mci->ctl_name); } static ssize_t mci_size_mb_show(struct device *dev, @@ -833,7 +832,7 @@ static ssize_t mci_size_mb_show(struct device *dev, } } - return sprintf(data, "%u\n", PAGES_TO_MiB(total_pages)); + return sysfs_emit(data, "%u\n", PAGES_TO_MiB(total_pages)); } static ssize_t mci_max_location_show(struct device *dev, From e0d335077831196bffe6a634ffe385fc684192ca Mon Sep 17 00:00:00 2001 From: Qiuxu Zhuo Date: Mon, 8 Apr 2024 20:04:19 +0800 Subject: [PATCH 7/7] EDAC/skx_common: Allow decoding of SGX addresses There are no "struct page" associations with SGX pages, causing the check pfn_to_online_page() to fail. This results in the inability to decode the SGX addresses and warning messages like: Invalid address 0x34cc9a98840 in IA32_MC17_ADDR Add an additional check to allow the decoding of the error address and to skip the warning message, if the error address is an SGX address. Fixes: 1e92af09fab1 ("EDAC/skx_common: Filter out the invalid address") Signed-off-by: Qiuxu Zhuo Signed-off-by: Tony Luck Link: https://lore.kernel.org/r/20240408120419.50234-1-qiuxu.zhuo@intel.com --- drivers/edac/skx_common.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/edac/skx_common.c b/drivers/edac/skx_common.c index 9c5b6f8bd8bd..27996b7924c8 100644 --- a/drivers/edac/skx_common.c +++ b/drivers/edac/skx_common.c @@ -648,7 +648,7 @@ int skx_mce_check_error(struct notifier_block *nb, unsigned long val, memset(&res, 0, sizeof(res)); res.mce = mce; res.addr = mce->addr & MCI_ADDR_PHYSADDR; - if (!pfn_to_online_page(res.addr >> PAGE_SHIFT)) { + if (!pfn_to_online_page(res.addr >> PAGE_SHIFT) && !arch_is_platform_page(res.addr)) { pr_err("Invalid address 0x%llx in IA32_MC%d_ADDR\n", mce->addr, mce->bank); return NOTIFY_DONE; }