Anup Patel ff0e2a7bd1 RISC-V: Fix FIXMAP_TOP to avoid overlap with VMALLOC area ... The FIXMAP area overlaps with VMALLOC area in Linux-5.1-rc1 hence we get below warning in Linux RISC-V 32bit kernel. This warning does not show-up in Linux RISC-V 64bit kernel due to large VMALLOC area. WARNING: CPU: 0 PID: 22 at mm/vmalloc.c:150 vmap_page_range_noflush+0x134/0x15c Modules linked in: CPU: 0 PID: 22 Comm: kworker/0:1 Not tainted 5.1.0-rc1-00005-gebc2f658040e #1 Workqueue: events pcpu_balance_workfn Call Trace: [<c002b950>] walk_stackframe+0x0/0xa0 [<c002baac>] show_stack+0x28/0x32 [<c0587354>] dump_stack+0x62/0x7e [<c002fdee>] __warn+0x98/0xce [<c002fe52>] warn_slowpath_null+0x2e/0x3c [<c00e71ce>] vmap_page_range_noflush+0x134/0x15c [<c00e7886>] map_kernel_range_noflush+0xc/0x14 [<c00d54b8>] pcpu_populate_chunk+0x19e/0x236 [<c00d610e>] pcpu_balance_workfn+0x448/0x464 [<c00408d6>] process_one_work+0x16c/0x2ea [<c0040b46>] worker_thread+0xf2/0x3b2 [<c004519a>] kthread+0xce/0xdc [<c002a974>] ret_from_exception+0x0/0xc This patch fixes above warning by placing FIXMAP area below VMALLOC area. Fixes: f2c17aabc9 ("RISC-V: Implement compile-time fixed mappings") Signed-off-by: Anup Patel <anup.patel@wdc.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Palmer Dabbelt <palmer@sifive.com>		2019-03-28 23:16:04 -07:00
..
boot	RISC-V: Build flat and compressed kernel images	2018-11-20 05:19:09 -08:00
configs	RISC-V: defconfig: Add CRYPTO_DEV_VIRTIO=y	2019-01-23 14:09:01 -08:00
include	RISC-V: Fix FIXMAP_TOP to avoid overlap with VMALLOC area	2019-03-28 23:16:04 -07:00
kernel	RISC-V: Always compile mm/init.c with cmodel=medany and notrace	2019-03-26 18:25:06 -07:00
lib	RISC-V: lib: minor asm cleanup	2018-12-21 08:17:02 -08:00
mm	RISC-V: Always compile mm/init.c with cmodel=medany and notrace	2019-03-26 18:25:06 -07:00
net	bpf, riscv: add BPF JIT for RV64G	2019-02-05 16:56:10 +01:00
Kconfig	DMA mapping updates for 5.1	2019-03-10 11:54:48 -07:00
Kconfig.debug	RISC-V: Remove EARLY_PRINTK support	2018-12-17 10:23:46 -08:00
Makefile	bpf, riscv: add BPF JIT for RV64G	2019-02-05 16:56:10 +01:00