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Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

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Pull x86 fixes from Ingo Molnar:
 "Three changes:

   - An UV fix/quirk to pull UV BIOS calls into the efi_runtime_lock
     locking regime. (This done by aliasing __efi_uv_runtime_lock to
     efi_runtime_lock, which should make the quirk nature obvious and
     maintain the general policy that the EFI lock (name...) isn't
     exposed to drivers.)

   - Our version of MAGA: Make a.out Great Again.

   - Add a new Intel model name enumerator to an upstream header to help
     reduce dependencies going forward"

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/platform/UV: Use efi_runtime_lock to serialise BIOS calls
  x86/CPU: Add Icelake model number
  x86/a.out: Clear the dump structure initially
This commit is contained in:
Linus Torvalds 2019-02-17 08:44:38 -08:00
commit 8d33316d52
5 changed files with 41 additions and 5 deletions
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7
drivers/firmware/efi/runtime-wrappers.c
View file

@ -146,6 +146,13 @@ void efi_call_virt_check_flags(unsigned long flags, const char *call)
*/
static DEFINE_SEMAPHORE(efi_runtime_lock);
/*
* Expose the EFI runtime lock to the UV platform
*/
#ifdef CONFIG_X86_UV
extern struct semaphore __efi_uv_runtime_lock __alias(efi_runtime_lock);
#endif
/*
* Calls the appropriate efi_runtime_service() with the appropriate
* arguments.