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sys-kernel/coreos-*: bump to 4.17.3
Several nftables options are no longer available as modules.
This commit is contained in:
Benjamin Gilbert
parent
415adb13ef
commit
cb38792143
@ -175,8 +175,8 @@ CONFIG_NF_CONNTRACK_TFTP=m
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CONFIG_NF_CT_NETLINK=m
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CONFIG_NF_CT_NETLINK_TIMEOUT=m
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CONFIG_NF_TABLES=m
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CONFIG_NF_TABLES_INET=m
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CONFIG_NF_TABLES_NETDEV=m
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CONFIG_NF_TABLES_INET=y
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CONFIG_NF_TABLES_NETDEV=y
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CONFIG_NFT_EXTHDR=m
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CONFIG_NFT_META=m
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CONFIG_NFT_RT=m
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@ -203,17 +203,17 @@ CONFIG_NFT_FWD_NETDEV=m
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CONFIG_NFT_FIB_NETDEV=m
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CONFIG_NF_CONNTRACK_IPV4=m
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CONFIG_NF_SOCKET_IPV4=m
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CONFIG_NF_TABLES_IPV4=m
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CONFIG_NF_TABLES_IPV4=y
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CONFIG_NFT_CHAIN_ROUTE_IPV4=m
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CONFIG_NFT_DUP_IPV4=m
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CONFIG_NFT_FIB_IPV4=m
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CONFIG_NF_TABLES_ARP=m
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CONFIG_NF_TABLES_ARP=y
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CONFIG_NF_LOG_ARP=m
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CONFIG_NFT_CHAIN_NAT_IPV4=m
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CONFIG_NFT_MASQ_IPV4=m
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CONFIG_NFT_REDIR_IPV4=m
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CONFIG_NF_SOCKET_IPV6=m
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CONFIG_NF_TABLES_IPV6=m
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CONFIG_NF_TABLES_IPV6=y
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CONFIG_NFT_CHAIN_ROUTE_IPV6=m
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CONFIG_NFT_DUP_IPV6=m
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CONFIG_NFT_FIB_IPV6=m
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@ -361,7 +361,7 @@ CONFIG_IP6_NF_SECURITY=m
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CONFIG_IP6_NF_NAT=m
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CONFIG_IP6_NF_TARGET_MASQUERADE=m
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CONFIG_IP6_NF_TARGET_NPT=m
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CONFIG_NF_TABLES_BRIDGE=m
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CONFIG_NF_TABLES_BRIDGE=y
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CONFIG_NFT_BRIDGE_META=m
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CONFIG_NFT_BRIDGE_REJECT=m
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CONFIG_NF_LOG_BRIDGE=m
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@ -1,4 +1,4 @@
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DIST linux-4.14.tar.xz 100770500 SHA256 f81d59477e90a130857ce18dc02f4fbe5725854911db1e7ba770c7cd350f96a7 SHA512 77e43a02d766c3d73b7e25c4aafb2e931d6b16e870510c22cef0cdb05c3acb7952b8908ebad12b10ef982c6efbe286364b1544586e715cf38390e483927904d8 WHIRLPOOL fee10d54ecb210156aa55364ecc15867127819e9f7ff9ec5f6ef159b1013e2ae3d3a28d35c62d663886cbe826b996a1387671766093be002536309045a8e4d10
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DIST linux-4.16.tar.xz 103020152 SHA256 63f6dc8e3c9f3a0273d5d6f4dca38a2413ca3a5f689329d05b750e4c87bb21b9 SHA512 ab47849314b177d0eec9dbf261f33972b0d89fb92fb0650130ffa7abc2f36c0fab2d06317dc1683c51a472a9a631573a9b1e7258d6281a2ee189897827f14662 WHIRLPOOL e03466f20fbac5b54c963845449d88589cb01fcc47837adbcf7ed1fb7b74422251df3a9a83f3a74d79f086a0f2eaa3cdf3654869717c72c3fb3a195f3f721942
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DIST linux-4.17.tar.xz 102165892 SHA256 9faa1dd896eaea961dc6e886697c0b3301277102e5bc976b2758f9a62d3ccd13 SHA512 4d9de340a26155a89ea8773131c76220cc2057f2b5d031b467b60e8b14c1842518e2d60a863d8c695f0f7640f3f18d43826201984a238dade857b6cef79837db WHIRLPOOL 60573a6837a5daae91ea8d36f7aea0439a398d47810524df378b37df20ebb6fa83d518380348ec66cfe8f94b2405de59f884d52ac879cb4ff78f6674ad322077
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DIST patch-4.14.52.xz 1373656 SHA256 02afce8ee5d78452589ad7bb23c7d7c94d18f9c346594088b36d67e0b0f62275 SHA512 720b310700337d7c8b77b78592aae6c8d9bd08cb4da0437110ddcdf4e9e8146367293a2f2d94325787b5f201a09847badb50657082426212b610f6993eefc536 WHIRLPOOL adb86e001c2ef778a2de096184729086723ef2c5d0792824c70f7fcc63a10cc63f3bb62b34c49bce817d274ba677223d5bcae6ba8d70f25de413a6ec793ffa95
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DIST patch-4.16.18.xz 506924 SHA256 848fdff6385eddb5b3eac6e394d5d5427c8735dc93a123ee62da611d04eb1637 SHA512 9e1cf90b874c757393680026cb74500ca9fa22c0047ac820f4e5f43062125f8cf469f1e8e93a084b9ecc28a177e55c8b733c2fe620e46694a338f1b2ff4180f8 WHIRLPOOL 882fe047675845f8ca70d23e8018a3032d5d6c7dbd9b93e38c97b3e5a7a019ed6d0dcfd91e1a59c87836981c1a7db439d044afc0ff4cb356ec35aa5bfc4b62b3
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DIST patch-4.17.3.xz 47420 SHA256 01d5cc024dcfed615f84fd83be9c248261d8fc2c062520d38397cead6857b596 SHA512 c0b3dfb1c1d64edc74cb3b35a4d6160ccf80b5b58d19e5a11dde372ab515c350576f8981b3816e4e8689da38b792eb85b3ef46581d65d7c51c72943dea7409f4 WHIRLPOOL 3f35cad858d1905c1d620cdce7acfd3158539d66594877717089f67f95014568bd9655ff2cf6862b00843070d95f55a89c930e082bcd3975d46699cb398eaa98
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@ -8,7 +8,7 @@ ETYPE="sources"
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# Final releases should be versioned L.M.N, even for N == 0
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# Only needed for RCs
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K_BASE_VER="4.16"
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K_BASE_VER="4.17"
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inherit kernel-2
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detect_version
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@ -38,8 +38,7 @@ UNIPATCH_LIST="
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${PATCH_DIR}/z0001-kbuild-derive-relative-path-for-KBUILD_SRC-from-CURD.patch \
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${PATCH_DIR}/z0002-Add-arm64-coreos-verity-hash.patch \
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${PATCH_DIR}/z0003-tools-objtool-Makefile-Don-t-fail-on-fallthrough-wit.patch \
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${PATCH_DIR}/z0004-Revert-random-use-a-different-mixing-algorithm-for-a.patch \
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${PATCH_DIR}/z0005-Revert-random-fix-crng_ready-test.patch \
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${PATCH_DIR}/z0006-xen-netfront-Fix-mismatched-rtnl_unlock.patch \
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${PATCH_DIR}/z0007-xen-netfront-Update-features-after-registering-netde.patch \
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${PATCH_DIR}/z0004-xen-netfront-Fix-mismatched-rtnl_unlock.patch \
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${PATCH_DIR}/z0005-xen-netfront-Update-features-after-registering-netde.patch \
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${PATCH_DIR}/z0006-Revert-x86-boot-compressed-64-Handle-5-level-paging-.patch \
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"
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@ -1,96 +0,0 @@
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From ae9b00302f008eb5af826e2b8c88fa78c76f6b4f Mon Sep 17 00:00:00 2001
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From: Jeremy Cline <jeremy@jcline.org>
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Date: Wed, 2 May 2018 15:16:29 -0400
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Subject: [PATCH 4/7] Revert "random: use a different mixing algorithm for
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add_device_randomness()"
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This reverts commit 89b59f050347d376c2ace8b1ceb908a218cfdc2e.
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Signed-off-by: Jeremy Cline <jeremy@jcline.org>
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---
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drivers/char/random.c | 55 ++++-----------------------------------------------
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1 file changed, 4 insertions(+), 51 deletions(-)
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diff --git a/drivers/char/random.c b/drivers/char/random.c
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index 8f4e11842c60..aa5b04af86c6 100644
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--- a/drivers/char/random.c
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+++ b/drivers/char/random.c
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@@ -831,10 +831,6 @@ static void numa_crng_init(void)
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static void numa_crng_init(void) {}
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#endif
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-/*
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- * crng_fast_load() can be called by code in the interrupt service
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- * path. So we can't afford to dilly-dally.
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- */
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static int crng_fast_load(const char *cp, size_t len)
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{
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unsigned long flags;
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@@ -861,51 +857,6 @@ static int crng_fast_load(const char *cp, size_t len)
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return 1;
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}
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-/*
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- * crng_slow_load() is called by add_device_randomness, which has two
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- * attributes. (1) We can't trust the buffer passed to it is
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- * guaranteed to be unpredictable (so it might not have any entropy at
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- * all), and (2) it doesn't have the performance constraints of
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- * crng_fast_load().
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- *
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- * So we do something more comprehensive which is guaranteed to touch
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- * all of the primary_crng's state, and which uses a LFSR with a
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- * period of 255 as part of the mixing algorithm. Finally, we do
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- * *not* advance crng_init_cnt since buffer we may get may be something
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- * like a fixed DMI table (for example), which might very well be
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- * unique to the machine, but is otherwise unvarying.
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- */
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-static int crng_slow_load(const char *cp, size_t len)
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-{
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- unsigned long flags;
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- static unsigned char lfsr = 1;
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- unsigned char tmp;
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- unsigned i, max = CHACHA20_KEY_SIZE;
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- const char * src_buf = cp;
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- char * dest_buf = (char *) &primary_crng.state[4];
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-
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- if (!spin_trylock_irqsave(&primary_crng.lock, flags))
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- return 0;
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- if (crng_init != 0) {
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- spin_unlock_irqrestore(&primary_crng.lock, flags);
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- return 0;
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- }
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- if (len > max)
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- max = len;
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-
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- for (i = 0; i < max ; i++) {
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- tmp = lfsr;
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- lfsr >>= 1;
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- if (tmp & 1)
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- lfsr ^= 0xE1;
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- tmp = dest_buf[i % CHACHA20_KEY_SIZE];
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- dest_buf[i % CHACHA20_KEY_SIZE] ^= src_buf[i % len] ^ lfsr;
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- lfsr += (tmp << 3) | (tmp >> 5);
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- }
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- spin_unlock_irqrestore(&primary_crng.lock, flags);
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- return 1;
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-}
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-
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static void crng_reseed(struct crng_state *crng, struct entropy_store *r)
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{
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unsigned long flags;
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@@ -1089,8 +1040,10 @@ void add_device_randomness(const void *buf, unsigned int size)
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unsigned long time = random_get_entropy() ^ jiffies;
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unsigned long flags;
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- if (!crng_ready() && size)
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- crng_slow_load(buf, size);
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+ if (!crng_ready()) {
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+ crng_fast_load(buf, size);
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+ return;
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+ }
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trace_add_device_randomness(size, _RET_IP_);
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spin_lock_irqsave(&input_pool.lock, flags);
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--
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2.14.4
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@ -1,64 +0,0 @@
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From 7e3362c1c8774baa81c8df962b7593c2ad20f9d1 Mon Sep 17 00:00:00 2001
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From: Jeremy Cline <jeremy@jcline.org>
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Date: Wed, 2 May 2018 15:18:03 -0400
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Subject: [PATCH 5/7] Revert "random: fix crng_ready() test"
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This reverts commit cd8d7a5778a4abf76ee8fe8f1bfcf78976029f8d.
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Signed-off-by: Jeremy Cline <jeremy@jcline.org>
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---
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drivers/char/random.c | 10 +++++-----
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1 file changed, 5 insertions(+), 5 deletions(-)
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diff --git a/drivers/char/random.c b/drivers/char/random.c
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index aa5b04af86c6..ef05cc685b74 100644
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--- a/drivers/char/random.c
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+++ b/drivers/char/random.c
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@@ -428,7 +428,7 @@ struct crng_state primary_crng = {
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* its value (from 0->1->2).
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*/
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static int crng_init = 0;
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-#define crng_ready() (likely(crng_init > 1))
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+#define crng_ready() (likely(crng_init > 0))
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static int crng_init_cnt = 0;
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static unsigned long crng_global_init_time = 0;
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#define CRNG_INIT_CNT_THRESH (2*CHACHA20_KEY_SIZE)
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@@ -838,7 +838,7 @@ static int crng_fast_load(const char *cp, size_t len)
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if (!spin_trylock_irqsave(&primary_crng.lock, flags))
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return 0;
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- if (crng_init != 0) {
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+ if (crng_ready()) {
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spin_unlock_irqrestore(&primary_crng.lock, flags);
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return 0;
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}
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@@ -913,7 +913,7 @@ static void _extract_crng(struct crng_state *crng,
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{
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unsigned long v, flags;
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- if (crng_ready() &&
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+ if (crng_init > 1 &&
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(time_after(crng_global_init_time, crng->init_time) ||
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time_after(jiffies, crng->init_time + CRNG_RESEED_INTERVAL)))
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crng_reseed(crng, crng == &primary_crng ? &input_pool : NULL);
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@@ -1200,7 +1200,7 @@ void add_interrupt_randomness(int irq, int irq_flags)
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fast_mix(fast_pool);
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add_interrupt_bench(cycles);
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|
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- if (unlikely(crng_init == 0)) {
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+ if (!crng_ready()) {
|
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if ((fast_pool->count >= 64) &&
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crng_fast_load((char *) fast_pool->pool,
|
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sizeof(fast_pool->pool))) {
|
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@@ -2269,7 +2269,7 @@ void add_hwgenerator_randomness(const char *buffer, size_t count,
|
||||
{
|
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struct entropy_store *poolp = &input_pool;
|
||||
|
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- if (unlikely(crng_init == 0)) {
|
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+ if (!crng_ready()) {
|
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crng_fast_load(buffer, count);
|
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return;
|
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}
|
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--
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2.14.4
|
||||
|
||||
@ -1,7 +1,7 @@
|
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From fd931fb1cab3f1c8e360b2ef8bbbefdc77d8dd20 Mon Sep 17 00:00:00 2001
|
||||
From e83d7983c35e86f1c4a44748c4a5e7fd1bb16c69 Mon Sep 17 00:00:00 2001
|
||||
From: Vito Caputo <vito.caputo@coreos.com>
|
||||
Date: Wed, 25 Nov 2015 02:59:45 -0800
|
||||
Subject: [PATCH 1/7] kbuild: derive relative path for KBUILD_SRC from CURDIR
|
||||
Subject: [PATCH 1/6] kbuild: derive relative path for KBUILD_SRC from CURDIR
|
||||
|
||||
This enables relocating source and build trees to different roots,
|
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provided they stay reachable relative to one another. Useful for
|
||||
@ -12,7 +12,7 @@ by some undesirable path component.
|
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1 file changed, 2 insertions(+), 1 deletion(-)
|
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|
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diff --git a/Makefile b/Makefile
|
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index 8a34b54f2a06..df11a9ce66b2 100644
|
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index 31dc3a08295a..fdb91172fa9b 100644
|
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--- a/Makefile
|
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+++ b/Makefile
|
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@@ -143,7 +143,8 @@ $(filter-out _all sub-make $(CURDIR)/Makefile, $(MAKECMDGOALS)) _all: sub-make
|
||||
@ -26,5 +26,5 @@ index 8a34b54f2a06..df11a9ce66b2 100644
|
||||
|
||||
# Leave processing to above invocation of make
|
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--
|
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2.14.4
|
||||
2.17.1
|
||||
|
||||
@ -1,7 +1,7 @@
|
||||
From e5f594c832b4914806f55b64c73e239a6d37d42f Mon Sep 17 00:00:00 2001
|
||||
From b417f8704384d32d6c0d5790f209f09d7323560f Mon Sep 17 00:00:00 2001
|
||||
From: Geoff Levand <geoff@infradead.org>
|
||||
Date: Fri, 11 Nov 2016 17:28:52 -0800
|
||||
Subject: [PATCH 2/7] Add arm64 coreos verity hash
|
||||
Subject: [PATCH 2/6] Add arm64 coreos verity hash
|
||||
|
||||
Signed-off-by: Geoff Levand <geoff@infradead.org>
|
||||
---
|
||||
@ -25,5 +25,5 @@ index 613fc3000677..fdaf86c78332 100644
|
||||
/*
|
||||
* The debug table is referenced via its Relative Virtual Address (RVA),
|
||||
--
|
||||
2.14.4
|
||||
2.17.1
|
||||
|
||||
@ -1,7 +1,7 @@
|
||||
From 4ce8ac41943274054f9e2d90fb55a99df85bf88e Mon Sep 17 00:00:00 2001
|
||||
From 8d858ab31cb9f1fd77a636e911284992421ef225 Mon Sep 17 00:00:00 2001
|
||||
From: David Michael <david.michael@coreos.com>
|
||||
Date: Thu, 8 Feb 2018 21:23:12 -0500
|
||||
Subject: [PATCH 3/7] tools/objtool/Makefile: Don't fail on fallthrough with
|
||||
Subject: [PATCH 3/6] tools/objtool/Makefile: Don't fail on fallthrough with
|
||||
new GCCs
|
||||
|
||||
---
|
||||
@ -23,5 +23,5 @@ index 95563b8e1ad7..307652c42a7b 100644
|
||||
|
||||
CFLAGS += -I$(srctree)/tools/include/
|
||||
--
|
||||
2.14.4
|
||||
2.17.1
|
||||
|
||||
@ -1,7 +1,7 @@
|
||||
From 2b985fa24f0f6cfa25eb63c9f79fa1dee17e1a34 Mon Sep 17 00:00:00 2001
|
||||
From cd4d6483723ea3185f97a6896b006b2582baaad5 Mon Sep 17 00:00:00 2001
|
||||
From: Ross Lagerwall <ross.lagerwall@citrix.com>
|
||||
Date: Thu, 21 Jun 2018 14:00:20 +0100
|
||||
Subject: [PATCH 6/7] xen-netfront: Fix mismatched rtnl_unlock
|
||||
Subject: [PATCH 4/6] xen-netfront: Fix mismatched rtnl_unlock
|
||||
|
||||
Fixes: f599c64fdf7d ("xen-netfront: Fix race between device setup and open")
|
||||
Reported-by: Ben Hutchings <ben.hutchings@codethink.co.uk>
|
||||
@ -13,7 +13,7 @@ Signed-off-by: David S. Miller <davem@davemloft.net>
|
||||
1 file changed, 2 insertions(+), 1 deletion(-)
|
||||
|
||||
diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c
|
||||
index 3127bc8633ca..5f4951a48c9a 100644
|
||||
index 4dd0668003e7..244095bfd604 100644
|
||||
--- a/drivers/net/xen-netfront.c
|
||||
+++ b/drivers/net/xen-netfront.c
|
||||
@@ -1810,7 +1810,7 @@ static int talk_to_netback(struct xenbus_device *dev,
|
||||
@ -34,5 +34,5 @@ index 3127bc8633ca..5f4951a48c9a 100644
|
||||
return err;
|
||||
}
|
||||
--
|
||||
2.14.4
|
||||
2.17.1
|
||||
|
||||
@ -1,7 +1,7 @@
|
||||
From 77a0d69a6d7b82a4724c966428a0652929a2565c Mon Sep 17 00:00:00 2001
|
||||
From 64dca404996f00e7df2b829e471c687286e8e847 Mon Sep 17 00:00:00 2001
|
||||
From: Ross Lagerwall <ross.lagerwall@citrix.com>
|
||||
Date: Thu, 21 Jun 2018 14:00:21 +0100
|
||||
Subject: [PATCH 7/7] xen-netfront: Update features after registering netdev
|
||||
Subject: [PATCH 5/6] xen-netfront: Update features after registering netdev
|
||||
|
||||
Update the features after calling register_netdev() otherwise the
|
||||
device features are not set up correctly and it not possible to change
|
||||
@ -19,7 +19,7 @@ Signed-off-by: David S. Miller <davem@davemloft.net>
|
||||
1 file changed, 4 insertions(+), 4 deletions(-)
|
||||
|
||||
diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c
|
||||
index 5f4951a48c9a..ad2e9cb36903 100644
|
||||
index 244095bfd604..1d5082d30187 100644
|
||||
--- a/drivers/net/xen-netfront.c
|
||||
+++ b/drivers/net/xen-netfront.c
|
||||
@@ -1951,10 +1951,6 @@ static int xennet_connect(struct net_device *dev)
|
||||
@ -45,5 +45,5 @@ index 5f4951a48c9a..ad2e9cb36903 100644
|
||||
* All public and private state should now be sane. Get
|
||||
* ready to start sending and receiving packets and give the driver
|
||||
--
|
||||
2.14.4
|
||||
2.17.1
|
||||
|
||||
@ -0,0 +1,132 @@
|
||||
From 8a18baaaff11b8758d738e4325fbe77476191446 Mon Sep 17 00:00:00 2001
|
||||
From: Benjamin Gilbert <bgilbert@redhat.com>
|
||||
Date: Sun, 1 Jul 2018 12:13:35 -0700
|
||||
Subject: [PATCH 6/6] Revert "x86/boot/compressed/64: Handle 5-level paging
|
||||
boot if kernel is above 4G"
|
||||
|
||||
This reverts commit 194a9749c73d650c0b1dfdee04fb0bdf0a888ba8, which causes
|
||||
instantaneous and silent boot failures.
|
||||
---
|
||||
arch/x86/boot/compressed/head_64.S | 69 +++++++-----------------------
|
||||
1 file changed, 16 insertions(+), 53 deletions(-)
|
||||
|
||||
diff --git a/arch/x86/boot/compressed/head_64.S b/arch/x86/boot/compressed/head_64.S
|
||||
index 8169e8b7a4dc..7588e65a9c4a 100644
|
||||
--- a/arch/x86/boot/compressed/head_64.S
|
||||
+++ b/arch/x86/boot/compressed/head_64.S
|
||||
@@ -326,27 +326,11 @@ ENTRY(startup_64)
|
||||
|
||||
/*
|
||||
* At this point we are in long mode with 4-level paging enabled,
|
||||
- * but we might want to enable 5-level paging or vice versa.
|
||||
+ * but we want to enable 5-level paging.
|
||||
*
|
||||
- * The problem is that we cannot do it directly. Setting or clearing
|
||||
- * CR4.LA57 in long mode would trigger #GP. So we need to switch off
|
||||
- * long mode and paging first.
|
||||
- *
|
||||
- * We also need a trampoline in lower memory to switch over from
|
||||
- * 4- to 5-level paging for cases when the bootloader puts the kernel
|
||||
- * above 4G, but didn't enable 5-level paging for us.
|
||||
- *
|
||||
- * The same trampoline can be used to switch from 5- to 4-level paging
|
||||
- * mode, like when starting 4-level paging kernel via kexec() when
|
||||
- * original kernel worked in 5-level paging mode.
|
||||
- *
|
||||
- * For the trampoline, we need the top page table to reside in lower
|
||||
- * memory as we don't have a way to load 64-bit values into CR3 in
|
||||
- * 32-bit mode.
|
||||
- *
|
||||
- * We go though the trampoline even if we don't have to: if we're
|
||||
- * already in a desired paging mode. This way the trampoline code gets
|
||||
- * tested on every boot.
|
||||
+ * The problem is that we cannot do it directly. Setting LA57 in
|
||||
+ * long mode would trigger #GP. So we need to switch off long mode
|
||||
+ * first.
|
||||
*/
|
||||
|
||||
/* Make sure we have GDT with 32-bit code segment */
|
||||
@@ -371,18 +355,13 @@ ENTRY(startup_64)
|
||||
/* Save the trampoline address in RCX */
|
||||
movq %rax, %rcx
|
||||
|
||||
- /*
|
||||
- * Load the address of trampoline_return() into RDI.
|
||||
- * It will be used by the trampoline to return to the main code.
|
||||
- */
|
||||
- leaq trampoline_return(%rip), %rdi
|
||||
|
||||
/* Switch to compatibility mode (CS.L = 0 CS.D = 1) via far return */
|
||||
pushq $__KERNEL32_CS
|
||||
- leaq TRAMPOLINE_32BIT_CODE_OFFSET(%rax), %rax
|
||||
+ leaq compatible_mode(%rip), %rax
|
||||
pushq %rax
|
||||
lretq
|
||||
-trampoline_return:
|
||||
+lvl5:
|
||||
/* Restore the stack, the 32-bit trampoline uses its own stack */
|
||||
leaq boot_stack_end(%rbx), %rsp
|
||||
|
||||
@@ -559,14 +538,8 @@ adjust_got:
|
||||
ret
|
||||
|
||||
.code32
|
||||
-/*
|
||||
- * This is the 32-bit trampoline that will be copied over to low memory.
|
||||
- *
|
||||
- * RDI contains the return address (might be above 4G).
|
||||
- * ECX contains the base address of the trampoline memory.
|
||||
- * Non zero RDX on return means we need to enable 5-level paging.
|
||||
- */
|
||||
ENTRY(trampoline_32bit_src)
|
||||
+compatible_mode:
|
||||
/* Set up data and stack segments */
|
||||
movl $__KERNEL_DS, %eax
|
||||
movl %eax, %ds
|
||||
@@ -607,34 +580,24 @@ ENTRY(trampoline_32bit_src)
|
||||
1:
|
||||
movl %eax, %cr4
|
||||
|
||||
- /* Calculate address of paging_enabled() once we are executing in the trampoline */
|
||||
- leal paging_enabled - trampoline_32bit_src + TRAMPOLINE_32BIT_CODE_OFFSET(%ecx), %eax
|
||||
+ /* Calculate address we are running at */
|
||||
+ call 1f
|
||||
+1: popl %edi
|
||||
+ subl $1b, %edi
|
||||
|
||||
- /* Prepare the stack for far return to Long Mode */
|
||||
+ /* Prepare stack for far return to Long Mode */
|
||||
pushl $__KERNEL_CS
|
||||
- pushl %eax
|
||||
+ leal lvl5(%edi), %eax
|
||||
+ push %eax
|
||||
|
||||
- /* Enable paging again */
|
||||
+ /* Enable paging back */
|
||||
movl $(X86_CR0_PG | X86_CR0_PE), %eax
|
||||
movl %eax, %cr0
|
||||
|
||||
lret
|
||||
|
||||
- .code64
|
||||
-paging_enabled:
|
||||
- /* Return from the trampoline */
|
||||
- jmp *%rdi
|
||||
-
|
||||
- /*
|
||||
- * The trampoline code has a size limit.
|
||||
- * Make sure we fail to compile if the trampoline code grows
|
||||
- * beyond TRAMPOLINE_32BIT_CODE_SIZE bytes.
|
||||
- */
|
||||
- .org trampoline_32bit_src + TRAMPOLINE_32BIT_CODE_SIZE
|
||||
-
|
||||
- .code32
|
||||
no_longmode:
|
||||
- /* This isn't an x86-64 CPU, so hang intentionally, we cannot continue */
|
||||
+ /* This isn't an x86-64 CPU so hang */
|
||||
1:
|
||||
hlt
|
||||
jmp 1b
|
||||
--
|
||||
2.17.1
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user