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| author | Thomas Gleixner <tglx@linutronix.de> | 2019-08-12 14:36:27 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2019-08-12 14:36:27 +0200 |
| commit | cbd32a1c56e36fedaa93a727699188bd3e6e6f67 (patch) | |
| tree | 199e302eb5a66725a9d1774e47367a87098ba397 /lib/ioremap.c | |
| parent | 48c7d73b2362ce61503551ad70052617b3e8857d (diff) | |
| parent | b61fbc887af7a13a1c90c84c1feaeb4c9780e1e2 (diff) | |
Merge tag 'efi-urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi into efi/urgent
Pull a single EFI fix for v5.3 from Ard:
- Fix mixed mode breakage in EFI config table handling for TPM.
Diffstat (limited to 'lib/ioremap.c')
| -rw-r--r-- | lib/ioremap.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/lib/ioremap.c b/lib/ioremap.c index 063213685563..0a2ffadc6d71 100644 --- a/lib/ioremap.c +++ b/lib/ioremap.c @@ -30,6 +30,8 @@ early_param("nohugeiomap", set_nohugeiomap); void __init ioremap_huge_init(void) { if (!ioremap_huge_disabled) { + if (arch_ioremap_p4d_supported()) + ioremap_p4d_capable = 1; if (arch_ioremap_pud_supported()) ioremap_pud_capable = 1; if (arch_ioremap_pmd_supported()) @@ -86,6 +88,9 @@ static int ioremap_try_huge_pmd(pmd_t *pmd, unsigned long addr, if ((end - addr) != PMD_SIZE) return 0; + if (!IS_ALIGNED(addr, PMD_SIZE)) + return 0; + if (!IS_ALIGNED(phys_addr, PMD_SIZE)) return 0; @@ -126,6 +131,9 @@ static int ioremap_try_huge_pud(pud_t *pud, unsigned long addr, if ((end - addr) != PUD_SIZE) return 0; + if (!IS_ALIGNED(addr, PUD_SIZE)) + return 0; + if (!IS_ALIGNED(phys_addr, PUD_SIZE)) return 0; @@ -166,6 +174,9 @@ static int ioremap_try_huge_p4d(p4d_t *p4d, unsigned long addr, if ((end - addr) != P4D_SIZE) return 0; + if (!IS_ALIGNED(addr, P4D_SIZE)) + return 0; + if (!IS_ALIGNED(phys_addr, P4D_SIZE)) return 0; |