summaryrefslogtreecommitdiff
path: root/arch/um
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2022-07-17 08:27:30 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2022-07-17 08:27:30 -0700
commit59c80f053d50467758c8284348b463fa820b1b1f (patch)
tree350d6f5e2e02595c0ca5449a7050d73bf5602272 /arch/um
parent2eccaca7b62b2836260c6fb22156a44e3d99a74a (diff)
parentbcf163150cd37348a0cb59e95c916a83a9344b0e (diff)
Merge tag 'x86_urgent_for_v5.19_rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Borislav Petkov: - Improve the check whether the kernel supports WP mappings so that it can accomodate a XenPV guest due to how the latter is setting up the PAT machinery - Now that the retbleed nightmare is public, here's the first round of fallout fixes: * Fix a build failure on 32-bit due to missing include * Remove an untraining point in espfix64 return path * other small cleanups * tag 'x86_urgent_for_v5.19_rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/bugs: Remove apostrophe typo um: Add missing apply_returns() x86/entry: Remove UNTRAIN_RET from native_irq_return_ldt x86/bugs: Mark retbleed_strings static x86/pat: Fix x86_has_pat_wp() x86/asm/32: Fix ANNOTATE_UNRET_SAFE use on 32-bit
Diffstat (limited to 'arch/um')
-rw-r--r--arch/um/kernel/um_arch.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/um/kernel/um_arch.c b/arch/um/kernel/um_arch.c
index 0760e24f2eba..9838967d0b2f 100644
--- a/arch/um/kernel/um_arch.c
+++ b/arch/um/kernel/um_arch.c
@@ -432,6 +432,10 @@ void apply_retpolines(s32 *start, s32 *end)
{
}
+void apply_returns(s32 *start, s32 *end)
+{
+}
+
void apply_alternatives(struct alt_instr *start, struct alt_instr *end)
{
}