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| author | Jakub Kicinski <kuba@kernel.org> | 2021-06-19 04:47:02 +0200 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2021-06-19 04:47:02 +0200 |
| commit | adc2e56ebe6377f5c032d96aee0feac30a640453 (patch) | |
| tree | f8937ffc72e1991418b0d54a0672766237855c94 /arch/x86/realmode/init.c | |
| parent | Merge branch 'RPMSG-WWAN-CTRL-driver' (diff) | |
| parent | Merge tag 'net-5.13-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/net... (diff) | |
| download | linux-adc2e56ebe6377f5c032d96aee0feac30a640453.tar.xz linux-adc2e56ebe6377f5c032d96aee0feac30a640453.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Trivial conflicts in net/can/isotp.c and
tools/testing/selftests/net/mptcp/mptcp_connect.sh
scaled_ppm_to_ppb() was moved from drivers/ptp/ptp_clock.c
to include/linux/ptp_clock_kernel.h in -next so re-apply
the fix there.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'arch/x86/realmode/init.c')
| -rw-r--r-- | arch/x86/realmode/init.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/arch/x86/realmode/init.c b/arch/x86/realmode/init.c index 2e1c1bec0f9e..6534c92d0f83 100644 --- a/arch/x86/realmode/init.c +++ b/arch/x86/realmode/init.c @@ -29,14 +29,16 @@ void __init reserve_real_mode(void) /* Has to be under 1M so we can execute real-mode AP code. */ mem = memblock_find_in_range(0, 1<<20, size, PAGE_SIZE); - if (!mem) { + if (!mem) pr_info("No sub-1M memory is available for the trampoline\n"); - return; - } + else + set_real_mode_mem(mem); - memblock_reserve(mem, size); - set_real_mode_mem(mem); - crash_reserve_low_1M(); + /* + * Unconditionally reserve the entire fisrt 1M, see comment in + * setup_arch(). + */ + memblock_reserve(0, SZ_1M); } static void sme_sev_setup_real_mode(struct trampoline_header *th) |