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Sun, 17 May 2020 21:29:33 -0700 (PDT) Date: Sun, 17 May 2020 21:29:32 -0700 From: Guenter Roeck To: Ira Weiny Subject: Re: [PATCH V3 07/15] arch/kunmap_atomic: Consolidate duplicate code Message-ID: <20200518042932.GA59205@roeck-us.net> References: <20200507150004.1423069-1-ira.weiny@intel.com> <20200507150004.1423069-8-ira.weiny@intel.com> <20200516223306.GA161252@roeck-us.net> <20200518034938.GA3023182@iweiny-DESK2.sc.intel.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200518034938.GA3023182@iweiny-DESK2.sc.intel.com> User-Agent: Mutt/1.9.4 (2018-02-28) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200517_212935_286775_A17FCA0A X-CRM114-Status: GOOD ( 16.99 ) X-BeenThere: linux-snps-arc@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on Synopsys ARC Processors List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Zijlstra , Benjamin Herrenschmidt , Dave Hansen , dri-devel@lists.freedesktop.org, linux-mips@vger.kernel.org, "James E.J. Bottomley" , Max Filippov , Paul Mackerras , "H. Peter Anvin" , sparclinux@vger.kernel.org, Dan Williams , Helge Deller , x86@kernel.org, linux-csky@vger.kernel.org, Christoph Hellwig , Ingo Molnar , linux-snps-arc@lists.infradead.org, linux-xtensa@linux-xtensa.org, Borislav Petkov , Al Viro , Andy Lutomirski , Thomas Gleixner , linux-arm-kernel@lists.infradead.org, Chris Zankel , Thomas Bogendoerfer , linux-parisc@vger.kernel.org, linux-kernel@vger.kernel.org, Christian Koenig , Andrew Morton , linuxppc-dev@lists.ozlabs.org, "David S. Miller" Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-snps-arc" Errors-To: linux-snps-arc-bounces+linux-snps-arc=archiver.kernel.org@lists.infradead.org On Sun, May 17, 2020 at 08:49:39PM -0700, Ira Weiny wrote: > On Sat, May 16, 2020 at 03:33:06PM -0700, Guenter Roeck wrote: > > On Thu, May 07, 2020 at 07:59:55AM -0700, ira.weiny@intel.com wrote: > > > From: Ira Weiny > > > > > > Every single architecture (including !CONFIG_HIGHMEM) calls... > > > > > > pagefault_enable(); > > > preempt_enable(); > > > > > > ... before returning from __kunmap_atomic(). Lift this code into the > > > kunmap_atomic() macro. > > > > > > While we are at it rename __kunmap_atomic() to kunmap_atomic_high() to > > > be consistent. > > > > > > Reviewed-by: Christoph Hellwig > > > Signed-off-by: Ira Weiny > > > > This patch results in: > > > > Starting init: /bin/sh exists but couldn't execute it (error -14) > > > > when trying to boot microblazeel:petalogix-ml605 in qemu. > > Thanks for the report. I'm not readily seeing the issue. > > Do you have a kernel config? Specifically is CONFIG_HIGHMEM set? > See below. Yes, CONFIG_HIGHMEM is set. The scripts used to build and boot the image are at: https://github.com/groeck/linux-build-test/tree/master/rootfs/microblazeel Hope this helps, Guenter --- CONFIG_SYSVIPC=y CONFIG_POSIX_MQUEUE=y CONFIG_AUDIT=y CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y CONFIG_SYSFS_DEPRECATED=y CONFIG_SYSFS_DEPRECATED_V2=y CONFIG_BLK_DEV_INITRD=y # CONFIG_BASE_FULL is not set CONFIG_KALLSYMS_ALL=y CONFIG_EMBEDDED=y CONFIG_SLAB=y CONFIG_KERNEL_BASE_ADDR=0x50000000 CONFIG_XILINX_MICROBLAZE0_USE_MSR_INSTR=1 CONFIG_XILINX_MICROBLAZE0_USE_PCMP_INSTR=1 CONFIG_XILINX_MICROBLAZE0_USE_BARREL=1 CONFIG_XILINX_MICROBLAZE0_USE_DIV=1 CONFIG_XILINX_MICROBLAZE0_USE_HW_MUL=2 CONFIG_XILINX_MICROBLAZE0_USE_FPU=2 CONFIG_XILINX_MICROBLAZE0_HW_VER="10.0.a" CONFIG_HZ_100=y CONFIG_MMU=y CONFIG_HIGHMEM=y CONFIG_PCI_XILINX=y CONFIG_MODULES=y CONFIG_MODULE_UNLOAD=y # CONFIG_BLK_DEV_BSG is not set CONFIG_PARTITION_ADVANCED=y # CONFIG_EFI_PARTITION is not set CONFIG_NET=y CONFIG_PACKET=y CONFIG_UNIX=y CONFIG_INET=y # CONFIG_IPV6 is not set CONFIG_BRIDGE=m CONFIG_PCI=y CONFIG_DEVTMPFS=y CONFIG_DEVTMPFS_MOUNT=y CONFIG_MTD=y CONFIG_MTD_CFI=y CONFIG_MTD_CFI_INTELEXT=y CONFIG_MTD_CFI_AMDSTD=y CONFIG_BLK_DEV_RAM=y CONFIG_BLK_DEV_RAM_SIZE=8192 CONFIG_NETDEVICES=y CONFIG_XILINX_EMACLITE=y CONFIG_XILINX_LL_TEMAC=y # CONFIG_INPUT is not set # CONFIG_SERIO is not set # CONFIG_VT is not set CONFIG_SERIAL_8250=y CONFIG_SERIAL_8250_CONSOLE=y CONFIG_SERIAL_OF_PLATFORM=y CONFIG_SERIAL_UARTLITE=y CONFIG_SERIAL_UARTLITE_CONSOLE=y # CONFIG_HW_RANDOM is not set CONFIG_XILINX_HWICAP=y CONFIG_I2C=y CONFIG_I2C_XILINX=y CONFIG_SPI=y CONFIG_SPI_XILINX=y CONFIG_GPIOLIB=y CONFIG_GPIO_SYSFS=y CONFIG_GPIO_XILINX=y # CONFIG_HWMON is not set CONFIG_WATCHDOG=y CONFIG_XILINX_WATCHDOG=y CONFIG_FB=y CONFIG_FB_XILINX=y # CONFIG_USB_SUPPORT is not set CONFIG_UIO=y CONFIG_UIO_PDRV_GENIRQ=y CONFIG_UIO_DMEM_GENIRQ=y CONFIG_EXT2_FS=y # CONFIG_DNOTIFY is not set CONFIG_CRAMFS=y CONFIG_ROMFS_FS=y CONFIG_NFS_FS=y CONFIG_CIFS=y CONFIG_CIFS_STATS2=y CONFIG_ENCRYPTED_KEYS=y CONFIG_DEBUG_INFO=y CONFIG_KGDB=y CONFIG_KGDB_TESTS=y CONFIG_KGDB_KDB=y CONFIG_DEBUG_SLAB=y CONFIG_DETECT_HUNG_TASK=y CONFIG_DEBUG_SPINLOCK=y _______________________________________________ linux-snps-arc mailing list linux-snps-arc@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-snps-arc