korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-11-11 21:38:32 +08:00
Code Issues Packages Projects Releases Wiki Activity

ACPI fixes for v4.8-rc5

Browse Source 
Two stable-candidate fixes for the ACPI early device probing code
 added during the 4.4 cycle, one fixing a typo in a stub macro used
 when CONFIG_ACPI is unset and one that prevents sleeping functions
 from being called under a spinlock (Lorenzo Pieralisi).
 -----BEGIN PGP SIGNATURE-----
 Version: GnuPG v2.0.22 (GNU/Linux)
 
 iQIcBAABCAAGBQJXyex0AAoJEILEb/54YlRxdlsP/jMcKQ/6dPNxaZjr+073m9/X
 J7SGlzN8JeO5JdKHoTrfjI50tb1JUf+giZD72/v5f6/LjKJTCQAPqTRBKdhvBc0B
 glqUvHVA0Pvag4tCKLlb8amF1hcYg4Gb14wzyk6IOq0bfeNdOm4vOIMZUOFcOZzO
 eTXzne5e7OUpcmRaO07wv/QCKxi0dpW4CAQobhO18CJ9dw66D/wUNfCO7Bq10Hm8
 ZcgEjxW4tcltJuffw9w8Qxi9bbGTscG7BxRcOM0E9MC32xFuk+Os5y+dq47qtCTq
 NQiar/bZC/NY9OcmSF7H0UwMVRar44LlQtxjCefcJzYS9xMbPgwgcecfe8gOBI/q
 Fmj+tPC1y2QJQFQWbJT1uW8aRJzt4mKHe+GutXUhTiJWQ0DUj7IFVR11OfR5K0Fd
 uB2Cf0waOSAnS3lOmAS4hLJAVL5fhl4bmTtDbDNU8wSTt7opMM38ltL1qfX8sgiR
 Ig9tYW4IVEZuZPqIsdcQ1FOtnitZ9RXIcWuR1aYNadqimZqVO+78KjdnfxQ0e5Fs
 KBOde+Pb7DogZbF11dbErjXTPsBfP6WYC3nIsxZmg9VefipNqt4PSy4ZQUZctVv9
 8ENuv0GMHkK1qdgcet+v7mwgDYyGHeL45j6zjuLNgN35FsbyZRhzQ0EeDQAfMCeT
 fjHCLBtYGJ6J/Du4dly3
 =tsb6
 -----END PGP SIGNATURE-----

Merge tag 'acpi-4.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI fixes ffrom Rafael Wysocki:
 "Two stable-candidate fixes for the ACPI early device probing code
  added during the 4.4 cycle, one fixing a typo in a stub macro used
  when CONFIG_ACPI is unset and one that prevents sleeping functions
  from being called under a spinlock (Lorenzo Pieralisi)"

* tag 'acpi-4.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  ACPI / drivers: replace acpi_probe_lock spinlock with mutex
  ACPI / drivers: fix typo in ACPI_DECLARE_PROBE_ENTRY macro
This commit is contained in:
Linus Torvalds 2016-09-02 15:16:04 -07:00
commit 601b586994
2 changed files with 4 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/acpi/scan.c
View File

@ -2054,7 +2054,7 @@ int __init acpi_scan_init(void)
static struct acpi_probe_entry *ape;
static int acpi_probe_count;
static DEFINE_SPINLOCK(acpi_probe_lock);
static DEFINE_MUTEX(acpi_probe_mutex);
static int __init acpi_match_madt(struct acpi_subtable_header *header,
const unsigned long end)
@ -2073,7 +2073,7 @@ int __init __acpi_probe_device_table(struct acpi_probe_entry *ap_head, int nr)
if (acpi_disabled)
return 0;
spin_lock(&acpi_probe_lock);
mutex_lock(&acpi_probe_mutex);
for (ape = ap_head; nr; ape++, nr--) {
if (ACPI_COMPARE_NAME(ACPI_SIG_MADT, ape->id)) {
acpi_probe_count = 0;
@ -2086,7 +2086,7 @@ int __init __acpi_probe_device_table(struct acpi_probe_entry *ap_head, int nr)
count++;
}
}
spin_unlock(&acpi_probe_lock);
mutex_unlock(&acpi_probe_mutex);
return count;
}

2
include/linux/acpi.h
View File

@ -1056,7 +1056,7 @@ static inline struct fwnode_handle *acpi_get_next_subnode(struct device *dev,
return NULL;
}
#define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, validate, data, fn) \
#define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \
static const void * __acpi_table_##name[] \
__attribute__((unused)) \
= { (void *) table_id, \