diff options
| author | Paul Burton <paul.burton@mips.com> | 2019-05-01 00:53:31 +0200 |
|---|---|---|
| committer | Paul Burton <paul.burton@mips.com> | 2019-05-02 20:20:59 +0200 |
| commit | 783454e2bc7ce491b5cd50154433cde993bfd849 (patch) | |
| tree | 3b8906fb5290e2a80dfefa92f5b5ccb3e70d2299 | |
| parent | MIPS: Always allocate exception vector for MIPSr2+ (diff) | |
| download | linux-783454e2bc7ce491b5cd50154433cde993bfd849.tar.xz linux-783454e2bc7ce491b5cd50154433cde993bfd849.zip | |
MIPS: Sync icache for whole exception vector
Rather than performing cache flushing for a fixed 0x400 bytes, use the
actual size of the vector in order to ensure we cover all emitted code
on systems that make use of vectored interrupts.
Signed-off-by: Paul Burton <paul.burton@mips.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Serge Semin <fancer.lancer@gmail.com>
Tested-by: Serge Semin <fancer.lancer@gmail.com>
Cc: linux-mips@vger.kernel.org
| -rw-r--r-- | arch/mips/kernel/traps.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c index 9b565ed51662..2775190adbe7 100644 --- a/arch/mips/kernel/traps.c +++ b/arch/mips/kernel/traps.c @@ -2454,7 +2454,7 @@ void __init trap_init(void) else set_handler(0x080, &except_vec3_generic, 0x80); - local_flush_icache_range(ebase, ebase + 0x400); + local_flush_icache_range(ebase, ebase + vec_size); sort_extable(__start___dbe_table, __stop___dbe_table); |