# git rev-parse -q --verify 95edc4da89c32317b6ce22c90cb4793d3646565d^{commit} 95edc4da89c32317b6ce22c90cb4793d3646565d already have revision, skipping fetch # git checkout -q -f -B kisskb 95edc4da89c32317b6ce22c90cb4793d3646565d # git clean -qxdf # < git log -1 # commit 95edc4da89c32317b6ce22c90cb4793d3646565d # Author: Anshuman Khandual # Date: Thu Mar 29 11:53:37 2018 +0530 # # powerpc/fscr: Enable interrupts earlier before calling get_user() # # The function get_user() can sleep while trying to fetch instruction # from user address space and causes the following warning from the # scheduler. # # BUG: sleeping function called from invalid context # # Though interrupts get enabled back but it happens bit later after # get_user() is called. This change moves enabling these interrupts # earlier covering the function get_user(). While at this, lets check # for kernel mode and crash as this interrupt should not have been # triggered from the kernel context. # # Signed-off-by: Anshuman Khandual # Signed-off-by: Michael Ellerman # < /opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-gcc --version # < git log --format=%s --max-count=1 95edc4da89c32317b6ce22c90cb4793d3646565d # < make -s -j 80 ARCH=powerpc O=/kisskb/build/powerpc-next_wii_defconfig_powerpc CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- wii_defconfig # make -s -j 80 ARCH=powerpc O=/kisskb/build/powerpc-next_wii_defconfig_powerpc CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- /kisskb/src/kernel/rcu/srcutree.c: In function 'init_srcu_struct_fields': /kisskb/src/kernel/rcu/srcutree.c:127:33: warning: 'levelspread[]' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/rcu/srcutree.c:94:6: note: 'levelspread[]' was declared here /kisskb/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl': /kisskb/src/kernel/printk/printk.c:183:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/mac80211/mlme.c: In function 'ieee80211_rx_mgmt_beacon': /kisskb/src/net/mac80211/mlme.c:1350:3: warning: 'pwr_level_cisco' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/mac80211/mlme.c:1307:6: note: 'pwr_level_cisco' was declared here /kisskb/src/drivers/net/wireless/broadcom/b43/phy_n.c: In function 'b43_nphy_rf_ctl_override_rev7': /kisskb/src/drivers/net/wireless/broadcom/b43/phy_n.c:202:21: warning: 'val_addr' may be used uninitialized in this function [-Wuninitialized] INFO: Uncompressed kernel (size 0x86e640) overlaps the address of the wrapper(0x600000) INFO: Fixing the link_address of wrapper to (0x900000) Completed OK # rm -rf /kisskb/build/powerpc-next_wii_defconfig_powerpc # Build took: 0:00:50.886199