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| author |   steve.wahl@hpe.com <steve.wahl@hpe.com> | 2020-07-13 16:30:05 -0500 |
|---|---|---|
| committer |   Thomas Gleixner <tglx@linutronix.de> | 2020-07-17 16:47:47 +0200 |
| commit | 66d67fecd896370d4cbbd146c9a7bf5b4c5303af (patch) | |
| tree | abc9e565a973571f503f6ab2b512071bdf35f20b /arch/x86/platform/efi/efi.c | |
| parent | x86/efi: Delete SGI UV1 detection. (diff) | |
| download | linux-dev-66d67fecd896370d4cbbd146c9a7bf5b4c5303af.tar.xz linux-dev-66d67fecd896370d4cbbd146c9a7bf5b4c5303af.zip | |
x86/efi: Remove references to no-longer-used efi_have_uv1_memmap()
In removing UV1 support, efi_have_uv1_memmap is no longer used.
Signed-off-by: Steve Wahl <steve.wahl@hpe.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Link: https://lkml.kernel.org/r/20200713212955.786177105@hpe.com
Diffstat (limited to 'arch/x86/platform/efi/efi.c')
| -rw-r--r-- | arch/x86/platform/efi/efi.c | 14 |
1 files changed, 3 insertions, 11 deletions
diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c index e966115d105c..2cc159037def 100644 --- a/arch/x86/platform/efi/efi.c +++ b/arch/x86/platform/efi/efi.c @@ -648,7 +648,7 @@ static inline void *efi_map_next_entry_reverse(void *entry) */ static void *efi_map_next_entry(void *entry) { - if (!efi_have_uv1_memmap() && efi_enabled(EFI_64BIT)) { + if (efi_enabled(EFI_64BIT)) { /* * Starting in UEFI v2.5 the EFI_PROPERTIES_TABLE * config table feature requires us to map all entries @@ -777,11 +777,9 @@ static void __init kexec_enter_virtual_mode(void) /* * We don't do virtual mode, since we don't do runtime services, on - * non-native EFI. With the UV1 memmap, we don't do runtime services in - * kexec kernel because in the initial boot something else might - * have been mapped at these virtual addresses. + * non-native EFI. */ - if (efi_is_mixed() || efi_have_uv1_memmap()) { + if (efi_is_mixed()) { efi_memmap_unmap(); clear_bit(EFI_RUNTIME_SERVICES, &efi.flags); return; @@ -832,12 +830,6 @@ static void __init kexec_enter_virtual_mode(void) * has the runtime attribute bit set in its memory descriptor into the * efi_pgd page table. * - * The old method which used to update that memory descriptor with the - * virtual address obtained from ioremap() is still supported when the - * kernel is booted on SG1 UV1 hardware. Same old method enabled the - * runtime services to be called without having to thunk back into - * physical mode for every invocation. - * * The new method does a pagetable switch in a preemption-safe manner * so that we're in a different address space when calling a runtime * function. For function arguments passing we do copy the PUDs of the |