diff options
| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2022-01-10 15:35:41 -0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2022-01-10 15:35:41 -0300 |
| commit | debe70e488968e82282db48fbbcf84b5080f742c (patch) | |
| tree | 90f96f07c499bfc5bdbbeab3ca4a81a5a7672b61 /arch/x86/kernel/setup.c | |
| parent | 65f8d08cf838df3c3d728cdef908090237931496 (diff) | |
| parent | 133d9c53c9dcbb1b8f317e402e79c44d9eb725c9 (diff) | |
Merge remote-tracking branch 'torvalds/master' into perf/core
To pick up fixes.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'arch/x86/kernel/setup.c')
| -rw-r--r-- | arch/x86/kernel/setup.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index e04f5e6eb33f..f7a132eb794d 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -40,6 +40,7 @@ #include <asm/kasan.h> #include <asm/kaslr.h> #include <asm/mce.h> +#include <asm/memtype.h> #include <asm/mtrr.h> #include <asm/realmode.h> #include <asm/olpc_ofw.h> @@ -967,7 +968,11 @@ void __init setup_arch(char **cmdline_p) max_pfn = e820__end_of_ram_pfn(); /* update e820 for memory not covered by WB MTRRs */ - mtrr_bp_init(); + if (IS_ENABLED(CONFIG_MTRR)) + mtrr_bp_init(); + else + pat_disable("PAT support disabled because CONFIG_MTRR is disabled in the kernel."); + if (mtrr_trim_uncached_memory(max_pfn)) max_pfn = e820__end_of_ram_pfn(); |