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Revert "x86: Serialize EFI time accesses on rtc_lock" (rhbz 732755)

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This commit is contained in:
Dave Jones 2011-08-30 11:49:37 -04:00
parent 2af2b0f5ca
commit 92c3aba6f2
2 changed files with 81 additions and 0 deletions
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5
kernel.spec
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@ -717,6 +717,7 @@ Patch12029: crypto-register-cryptd-first.patch
Patch12303: dmar-disable-when-ricoh-multifunction.patch
Patch13002: revert-efi-rtclock.patch
Patch13003: efi-dont-map-boot-services-on-32bit.patch
Patch13004: iwlagn-revert-max-aggregate-size.patch
@ -1321,6 +1322,7 @@ ApplyPatch crypto-register-cryptd-first.patch
# rhbz#605888
ApplyPatch dmar-disable-when-ricoh-multifunction.patch
ApplyPatch revert-efi-rtclock.patch
ApplyPatch efi-dont-map-boot-services-on-32bit.patch
ApplyPatch iwlagn-revert-max-aggregate-size.patch
@ -2035,6 +2037,9 @@ fi
# ||----w |
# || ||
%changelog
* Tue Aug 30 2011 Dave Jones <davej@redhat.com>
- Revert "x86: Serialize EFI time accesses on rtc_lock" (rhbz 732755)
* Tue Aug 30 2011 Josh Boyer <jwboyer@redhat.com>
- Add patch to fix rhbz 606017

76
revert-efi-rtclock.patch Normal file
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@ -0,0 +1,76 @@
diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c
index 3ae4128..e17c6d2 100644
--- a/arch/x86/platform/efi/efi.c
+++ b/arch/x86/platform/efi/efi.c
@@ -89,50 +89,26 @@ early_param("add_efi_memmap", setup_add_efi_memmap);
static efi_status_t virt_efi_get_time(efi_time_t *tm, efi_time_cap_t *tc)
{
- unsigned long flags;
- efi_status_t status;
-
- spin_lock_irqsave(&rtc_lock, flags);
- status = efi_call_virt2(get_time, tm, tc);
- spin_unlock_irqrestore(&rtc_lock, flags);
- return status;
+ return efi_call_virt2(get_time, tm, tc);
}
static efi_status_t virt_efi_set_time(efi_time_t *tm)
{
- unsigned long flags;
- efi_status_t status;
-
- spin_lock_irqsave(&rtc_lock, flags);
- status = efi_call_virt1(set_time, tm);
- spin_unlock_irqrestore(&rtc_lock, flags);
- return status;
+ return efi_call_virt1(set_time, tm);
}
static efi_status_t virt_efi_get_wakeup_time(efi_bool_t *enabled,
efi_bool_t *pending,
efi_time_t *tm)
{
- unsigned long flags;
- efi_status_t status;
-
- spin_lock_irqsave(&rtc_lock, flags);
- status = efi_call_virt3(get_wakeup_time,
- enabled, pending, tm);
- spin_unlock_irqrestore(&rtc_lock, flags);
- return status;
+ return efi_call_virt3(get_wakeup_time,
+ enabled, pending, tm);
}
static efi_status_t virt_efi_set_wakeup_time(efi_bool_t enabled, efi_time_t *tm)
{
- unsigned long flags;
- efi_status_t status;
-
- spin_lock_irqsave(&rtc_lock, flags);
- status = efi_call_virt2(set_wakeup_time,
- enabled, tm);
- spin_unlock_irqrestore(&rtc_lock, flags);
- return status;
+ return efi_call_virt2(set_wakeup_time,
+ enabled, tm);
}
static efi_status_t virt_efi_get_variable(efi_char16_t *name,
@@ -232,14 +208,11 @@ static efi_status_t __init phys_efi_set_virtual_address_map(
static efi_status_t __init phys_efi_get_time(efi_time_t *tm,
efi_time_cap_t *tc)
{
- unsigned long flags;
efi_status_t status;
- spin_lock_irqsave(&rtc_lock, flags);
efi_call_phys_prelog();
status = efi_call_phys2(efi_phys.get_time, tm, tc);
efi_call_phys_epilog();
- spin_unlock_irqrestore(&rtc_lock, flags);
return status;
}