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| author | Mark Johnston <markj@FreeBSD.org> | 2020-04-24 13:53:40 +0000 |
|---|---|---|
| committer | Mark Johnston <markj@FreeBSD.org> | 2020-04-24 13:53:40 +0000 |
| commit | 5c170925688ac7a28209b79b2e3f967e484d79f6 (patch) | |
| tree | 122c5a8cdfdd554dcea4910b0718645f1273b6b9 /stand/efi/loader | |
| parent | 277cd3983e33e5de29e7bd4a4672b745640f9101 (diff) | |
| download | src-5c170925688ac7a28209b79b2e3f967e484d79f6.tar.gz src-5c170925688ac7a28209b79b2e3f967e484d79f6.zip | |
Stop setting PG_U in bootstrap mappings.
These mappings are never visible to userspace as they get replaced when
the amd64 pmap is bootstrapped, but there is no need to set PG_U in the
first place.
Reviewed by: alc, kib
MFC after: 1 week
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D24547
Notes
Notes:
svn path=/head/; revision=360260
Diffstat (limited to 'stand/efi/loader')
| -rw-r--r-- | stand/efi/loader/arch/amd64/elf64_freebsd.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/stand/efi/loader/arch/amd64/elf64_freebsd.c b/stand/efi/loader/arch/amd64/elf64_freebsd.c index 37e9fe1b4b18..896041e066c9 100644 --- a/stand/efi/loader/arch/amd64/elf64_freebsd.c +++ b/stand/efi/loader/arch/amd64/elf64_freebsd.c @@ -172,15 +172,15 @@ elf64_exec(struct preloaded_file *fp) for (i = 0; i < 512; i++) { /* Each slot of the L4 pages points to the same L3 page. */ PT4[i] = (pml4_entry_t)PT3; - PT4[i] |= PG_V | PG_RW | PG_U; + PT4[i] |= PG_V | PG_RW; /* Each slot of the L3 pages points to the same L2 page. */ PT3[i] = (pdp_entry_t)PT2; - PT3[i] |= PG_V | PG_RW | PG_U; + PT3[i] |= PG_V | PG_RW; /* The L2 page slots are mapped with 2MB pages for 1GB. */ PT2[i] = i * (2 * 1024 * 1024); - PT2[i] |= PG_V | PG_RW | PG_PS | PG_U; + PT2[i] |= PG_V | PG_RW | PG_PS; } printf("Start @ 0x%lx ...\n", ehdr->e_entry); |