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parisc: Fix HPMC handler by increasing size to multiple of 16 bytes

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Make sure that the HPMC (High Priority Machine Check) handler is 16-byte
aligned and that it's length in the IVT is a multiple of 16 bytes.
Otherwise PDC may decide not to call the HPMC crash handler.

Signed-off-by: Helge Deller <deller@gmx.de>
Cc: stable@vger.kernel.org
This commit is contained in:
Helge Deller 2018-03-24 21:18:25 +01:00
parent c14b302c44
commit d5654e156b
1 changed files with 5 additions and 1 deletions
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6
arch/parisc/kernel/hpmc.S
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@ -84,6 +84,7 @@ END(hpmc_pim_data)
.text .text
.import intr_save, code .import intr_save, code
.align 16
ENTRY_CFI(os_hpmc) ENTRY_CFI(os_hpmc)
.os_hpmc: .os_hpmc:
@ -300,12 +301,15 @@ os_hpmc_6:
b . b .
nop nop
.align 16 /* make function length multiple of 16 bytes */
ENDPROC_CFI(os_hpmc) ENDPROC_CFI(os_hpmc)
.os_hpmc_end: .os_hpmc_end:
__INITRODATA __INITRODATA
.globl os_hpmc_size
.align 4 .align 4
.export os_hpmc_size .type os_hpmc_size, @object
.size os_hpmc_size, 4
os_hpmc_size: os_hpmc_size:
.word .os_hpmc_end-.os_hpmc .word .os_hpmc_end-.os_hpmc