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| author |   Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2019-07-20 07:07:56 +0300 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2019-07-20 07:07:56 +0300 |
| commit | c39f2d9db0fd81ea20bb5cce9b3f082ca63753e2 (patch) | |
| tree | 8e80ed5601b4fb8880a2ca8e08802bc8b1f850bd /arch/x86/platform/efi/efi_64.c | |
| parent | Merge branch 'next' into for-linus (diff) | |
| parent | Input: alps - fix a mismatch between a condition check and its comment (diff) | |
| download | linux-dev-c39f2d9db0fd81ea20bb5cce9b3f082ca63753e2.tar.xz linux-dev-c39f2d9db0fd81ea20bb5cce9b3f082ca63753e2.zip | |
Merge branch 'next' into for-linus
Prepare second round of input updates for 5.3 merge window.
Diffstat (limited to 'arch/x86/platform/efi/efi_64.c')
| -rw-r--r-- | arch/x86/platform/efi/efi_64.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/arch/x86/platform/efi/efi_64.c b/arch/x86/platform/efi/efi_64.c index cf0347f61b21..08ce8177c3af 100644 --- a/arch/x86/platform/efi/efi_64.c +++ b/arch/x86/platform/efi/efi_64.c @@ -84,13 +84,15 @@ pgd_t * __init efi_call_phys_prolog(void) if (!efi_enabled(EFI_OLD_MEMMAP)) { efi_switch_mm(&efi_mm); - return NULL; + return efi_mm.pgd; } early_code_mapping_set_exec(1); n_pgds = DIV_ROUND_UP((max_pfn << PAGE_SHIFT), PGDIR_SIZE); save_pgd = kmalloc_array(n_pgds, sizeof(*save_pgd), GFP_KERNEL); + if (!save_pgd) + return NULL; /* * Build 1:1 identity mapping for efi=old_map usage. Note that @@ -138,10 +140,11 @@ pgd_t * __init efi_call_phys_prolog(void) pgd_offset_k(pgd * PGDIR_SIZE)->pgd &= ~_PAGE_NX; } -out: __flush_tlb_all(); - return save_pgd; +out: + efi_call_phys_epilog(save_pgd); + return NULL; } void __init efi_call_phys_epilog(pgd_t *save_pgd) |