From: Linus Torvalds Date: Fri, 16 Oct 2020 19:36:38 +0000 (-0700) Subject: Merge tag 's390-5.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux X-Git-Tag: v5.15~2652 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=847d4287a0c6709fd1ce24002b96d404a6da8b5b;p=platform%2Fkernel%2Flinux-starfive.git Merge tag 's390-5.10-1' of git://git./linux/kernel/git/s390/linux Pull s390 updates from Vasily Gorbik: - Remove address space overrides using set_fs() - Convert to generic vDSO - Convert to generic page table dumper - Add ARCH_HAS_DEBUG_WX support - Add leap seconds handling support - Add NVMe firmware-assisted kernel dump support - Extend NVMe boot support with memory clearing control and addition of kernel parameters - AP bus and zcrypt api code rework. Add adapter configure/deconfigure interface. Extend debug features. Add failure injection support - Add ECC secure private keys support - Add KASan support for running protected virtualization host with 4-level paging - Utilize destroy page ultravisor call to speed up secure guests shutdown - Implement ioremap_wc() and ioremap_prot() with MIO in PCI code - Various checksum improvements - Other small various fixes and improvements all over the code * tag 's390-5.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (85 commits) s390/uaccess: fix indentation s390/uaccess: add default cases for __put_user_fn()/__get_user_fn() s390/zcrypt: fix wrong format specifications s390/kprobes: move insn_page to text segment s390/sie: fix typo in SIGP code description s390/lib: fix kernel doc for memcmp() s390/zcrypt: Introduce Failure Injection feature s390/zcrypt: move ap_msg param one level up the call chain s390/ap/zcrypt: revisit ap and zcrypt error handling s390/ap: Support AP card SCLP config and deconfig operations s390/sclp: Add support for SCLP AP adapter config/deconfig s390/ap: add card/queue deconfig state s390/ap: add error response code field for ap queue devices s390/ap: split ap queue state machine state from device state s390/zcrypt: New config switch CONFIG_ZCRYPT_DEBUG s390/zcrypt: introduce msg tracking in zcrypt functions s390/startup: correct early pgm check info formatting s390: remove orphaned extern variables declarations s390/kasan: make sure int handler always run with DAT on s390/ipl: add support to control memory clearing for nvme re-IPL ... --- 847d4287a0c6709fd1ce24002b96d404a6da8b5b diff --cc arch/s390/configs/debug_defconfig index 7228aab,901723e..0784bf3 --- a/arch/s390/configs/debug_defconfig +++ b/arch/s390/configs/debug_defconfig @@@ -820,9 -820,7 +822,8 @@@ CONFIG_PREEMPT_TRACER= CONFIG_SCHED_TRACER=y CONFIG_FTRACE_SYSCALLS=y CONFIG_BLK_DEV_IO_TRACE=y +CONFIG_BPF_KPROBE_OVERRIDE=y CONFIG_HIST_TRIGGERS=y - CONFIG_S390_PTDUMP=y CONFIG_NOTIFIER_ERROR_INJECTION=m CONFIG_NETDEV_NOTIFIER_ERROR_INJECT=m CONFIG_FAULT_INJECTION=y diff --cc arch/s390/configs/defconfig index fab03b7,87da48c..905bc8c --- a/arch/s390/configs/defconfig +++ b/arch/s390/configs/defconfig @@@ -773,9 -773,7 +775,8 @@@ CONFIG_STACK_TRACER= CONFIG_SCHED_TRACER=y CONFIG_FTRACE_SYSCALLS=y CONFIG_BLK_DEV_IO_TRACE=y +CONFIG_BPF_KPROBE_OVERRIDE=y CONFIG_HIST_TRIGGERS=y - CONFIG_S390_PTDUMP=y CONFIG_LKDTM=m CONFIG_PERCPU_TEST=m CONFIG_ATOMIC64_SELFTEST=y diff --cc arch/s390/include/asm/checksum.h index 6813bfa,c401a5f..a8c02cf --- a/arch/s390/include/asm/checksum.h +++ b/arch/s390/include/asm/checksum.h @@@ -39,8 -39,15 +39,8 @@@ static inline __wsum csum_partial(cons return sum; } -static inline __wsum csum_partial_copy_nocheck(const void *src, void *dst, - int len, __wsum sum) -{ - memcpy(dst, src, len); - return csum_partial(dst, len, sum); -} - /* - * Fold a partial checksum without adding pseudo headers + * Fold a partial checksum without adding pseudo headers. */ static inline __sum16 csum_fold(__wsum sum) { diff --cc drivers/s390/crypto/zcrypt_ccamisc.c index c793dca,b9d293a..b104681 --- a/drivers/s390/crypto/zcrypt_ccamisc.c +++ b/drivers/s390/crypto/zcrypt_ccamisc.c @@@ -1682,87 -1874,92 +1874,92 @@@ int cca_findcard(const u8 *key, u16 *pc EXPORT_SYMBOL(cca_findcard); int cca_findcard2(u32 **apqns, u32 *nr_apqns, u16 cardnr, u16 domain, - int minhwtype, u64 cur_mkvp, u64 old_mkvp, int verify) + int minhwtype, int mktype, u64 cur_mkvp, u64 old_mkvp, + int verify) { struct zcrypt_device_status_ext *device_status; - int i, n, card, dom, curmatch, oldmatch, rc = 0; + u32 *_apqns = NULL, _nr_apqns = 0; + int i, card, dom, curmatch, oldmatch, rc = 0; struct cca_info ci; - *apqns = NULL; - *nr_apqns = 0; - /* fetch status of all crypto cards */ - device_status = kmalloc_array(MAX_ZDEV_ENTRIES_EXT, - sizeof(struct zcrypt_device_status_ext), - GFP_KERNEL); + device_status = kvmalloc_array(MAX_ZDEV_ENTRIES_EXT, + sizeof(struct zcrypt_device_status_ext), + GFP_KERNEL); if (!device_status) return -ENOMEM; zcrypt_device_status_mask_ext(device_status); - /* loop two times: first gather eligible apqns, then store them */ - while (1) { - n = 0; - /* walk through all the crypto cards */ - for (i = 0; i < MAX_ZDEV_ENTRIES_EXT; i++) { - card = AP_QID_CARD(device_status[i].qid); - dom = AP_QID_QUEUE(device_status[i].qid); - /* check online state */ - if (!device_status[i].online) - continue; - /* check for cca functions */ - if (!(device_status[i].functions & 0x04)) - continue; - /* check cardnr */ - if (cardnr != 0xFFFF && card != cardnr) - continue; - /* check domain */ - if (domain != 0xFFFF && dom != domain) - continue; - /* get cca info on this apqn */ - if (cca_get_info(card, dom, &ci, verify)) - continue; - /* current master key needs to be valid */ - if (ci.cur_mk_state != '2') - continue; - /* check min hardware type */ - if (minhwtype > 0 && minhwtype > ci.hwtype) - continue; - if (cur_mkvp || old_mkvp) { - /* check mkvps */ - curmatch = oldmatch = 0; - if (cur_mkvp && cur_mkvp == ci.cur_mkvp) + /* allocate 1k space for up to 256 apqns */ + _apqns = kmalloc_array(256, sizeof(u32), GFP_KERNEL); + if (!_apqns) { + kvfree(device_status); + return -ENOMEM; + } + + /* walk through all the crypto apqnss */ + for (i = 0; i < MAX_ZDEV_ENTRIES_EXT; i++) { + card = AP_QID_CARD(device_status[i].qid); + dom = AP_QID_QUEUE(device_status[i].qid); + /* check online state */ + if (!device_status[i].online) + continue; + /* check for cca functions */ + if (!(device_status[i].functions & 0x04)) + continue; + /* check cardnr */ + if (cardnr != 0xFFFF && card != cardnr) + continue; + /* check domain */ + if (domain != 0xFFFF && dom != domain) + continue; + /* get cca info on this apqn */ + if (cca_get_info(card, dom, &ci, verify)) + continue; + /* current master key needs to be valid */ + if (mktype == AES_MK_SET && ci.cur_aes_mk_state != '2') + continue; + if (mktype == APKA_MK_SET && ci.cur_apka_mk_state != '2') + continue; + /* check min hardware type */ + if (minhwtype > 0 && minhwtype > ci.hwtype) + continue; + if (cur_mkvp || old_mkvp) { + /* check mkvps */ + curmatch = oldmatch = 0; + if (mktype == AES_MK_SET) { + if (cur_mkvp && cur_mkvp == ci.cur_aes_mkvp) + curmatch = 1; + if (old_mkvp && ci.old_aes_mk_state == '2' && + old_mkvp == ci.old_aes_mkvp) + oldmatch = 1; + } else { + if (cur_mkvp && cur_mkvp == ci.cur_apka_mkvp) curmatch = 1; - if (old_mkvp && ci.old_mk_state == '2' && - old_mkvp == ci.old_mkvp) + if (old_mkvp && ci.old_apka_mk_state == '2' && + old_mkvp == ci.old_apka_mkvp) oldmatch = 1; - if ((cur_mkvp || old_mkvp) && - (curmatch + oldmatch < 1)) - continue; } - /* apqn passed all filtering criterons */ - if (*apqns && n < *nr_apqns) - (*apqns)[n] = (((u16)card) << 16) | ((u16) dom); - n++; - } - /* loop 2nd time: array has been filled */ - if (*apqns) - break; - /* loop 1st time: have # of eligible apqns in n */ - if (!n) { - rc = -ENODEV; /* no eligible apqns found */ - break; - } - *nr_apqns = n; - /* allocate array to store n apqns into */ - *apqns = kmalloc_array(n, sizeof(u32), GFP_KERNEL); - if (!*apqns) { - rc = -ENOMEM; - break; + if (curmatch + oldmatch < 1) + continue; } - verify = 0; + /* apqn passed all filtering criterons, add to the array */ + if (_nr_apqns < 256) + _apqns[_nr_apqns++] = (((u16)card) << 16) | ((u16) dom); + } + + /* nothing found ? */ + if (!_nr_apqns) { + kfree(_apqns); + rc = -ENODEV; + } else { + /* no re-allocation, simple return the _apqns array */ + *apqns = _apqns; + *nr_apqns = _nr_apqns; + rc = 0; } - kfree(device_status); + kvfree(device_status); return rc; } EXPORT_SYMBOL(cca_findcard2);