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| author | Jakub Kicinski <kuba@kernel.org> | 2024-02-29 23:17:54 +0100 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2024-02-29 23:24:56 +0100 |
| commit | 65f5dd4f02a89df429b8212b4c2f3ada6c4f3fc1 (patch) | |
| tree | 4c201974fa7e35e99c530ab3d0429dc894d64cf3 /arch/x86/entry/entry.S | |
| parent | Merge branch 'net-collect-tstats-automatically' (diff) | |
| parent | Merge tag 'net-6.8-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netd... (diff) | |
| download | linux-65f5dd4f02a89df429b8212b4c2f3ada6c4f3fc1.tar.xz linux-65f5dd4f02a89df429b8212b4c2f3ada6c4f3fc1.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR.
Conflicts:
net/mptcp/protocol.c
adf1bb78dab5 ("mptcp: fix snd_wnd initialization for passive socket")
9426ce476a70 ("mptcp: annotate lockless access for RX path fields")
https://lore.kernel.org/all/20240228103048.19255709@canb.auug.org.au/
Adjacent changes:
drivers/dpll/dpll_core.c
0d60d8df6f49 ("dpll: rely on rcu for netdev_dpll_pin()")
e7f8df0e81bf ("dpll: move xa_erase() call in to match dpll_pin_alloc() error path order")
drivers/net/veth.c
1ce7d306ea63 ("veth: try harder when allocating queue memory")
0bef512012b1 ("net: add netdev_lockdep_set_classes() to virtual drivers")
drivers/net/wireless/intel/iwlwifi/mvm/d3.c
8c9bef26e98b ("wifi: iwlwifi: mvm: d3: implement suspend with MLO")
78f65fbf421a ("wifi: iwlwifi: mvm: ensure offloading TID queue exists")
net/wireless/nl80211.c
f78c1375339a ("wifi: nl80211: reject iftype change with mesh ID change")
414532d8aa89 ("wifi: cfg80211: use IEEE80211_MAX_MESH_ID_LEN appropriately")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'arch/x86/entry/entry.S')
| -rw-r--r-- | arch/x86/entry/entry.S | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/x86/entry/entry.S b/arch/x86/entry/entry.S index 8c8d38f0cb1d..003379049924 100644 --- a/arch/x86/entry/entry.S +++ b/arch/x86/entry/entry.S @@ -6,6 +6,9 @@ #include <linux/export.h> #include <linux/linkage.h> #include <asm/msr-index.h> +#include <asm/unwind_hints.h> +#include <asm/segment.h> +#include <asm/cache.h> .pushsection .noinstr.text, "ax" @@ -20,3 +23,23 @@ SYM_FUNC_END(entry_ibpb) EXPORT_SYMBOL_GPL(entry_ibpb); .popsection + +/* + * Define the VERW operand that is disguised as entry code so that + * it can be referenced with KPTI enabled. This ensure VERW can be + * used late in exit-to-user path after page tables are switched. + */ +.pushsection .entry.text, "ax" + +.align L1_CACHE_BYTES, 0xcc +SYM_CODE_START_NOALIGN(mds_verw_sel) + UNWIND_HINT_UNDEFINED + ANNOTATE_NOENDBR + .word __KERNEL_DS +.align L1_CACHE_BYTES, 0xcc +SYM_CODE_END(mds_verw_sel); +/* For KVM */ +EXPORT_SYMBOL_GPL(mds_verw_sel); + +.popsection + |