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eb7c901995
freebsd-dev/sys/arm
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Matt Macy eb7c901995 hwpmc: simplify calling convention for hwpmc interrupt handling 
pmc_process_interrupt takes 5 arguments when only 3 are needed.
cpu is always available in curcpu and inuserspace can always be
derived from the passed trapframe.

While facially a reasonable cleanup this change was motivated
by the need to workaround a compiler bug.

core2_intr(cpu, tf) ->
  pmc_process_interrupt(cpu, ring, pmc, tf, inuserspace) ->
    pmc_add_sample(cpu, ring, pm, tf, inuserspace)

In the process of optimizing the tail call the tf pointer was getting
clobbered:

(kgdb) up
    at /storage/mmacy/devel/freebsd/sys/dev/hwpmc/hwpmc_mod.c:4709
4709                                pmc_save_kernel_callchain(ps->ps_pc,
(kgdb) up
1205                    error = pmc_process_interrupt(cpu, PMC_HR, pm, tf,

resulting in a crash in pmc_save_kernel_callchain.
2018-06-08 04:58:03 +00:00
..
allwinner aw_mmc: Get max-frequency from the dtb 2018-05-31 15:41:56 +00:00
altera/socfpga dwmmc: Fully subclass driver 2017-12-30 22:01:17 +00:00
amlogic/aml8726 Align OF_getencprop_alloc API with OF_getencprop and OF_getprop_alloc 2018-04-09 22:06:16 +00:00
annapurna/alpine Align OF_getencprop_alloc API with OF_getencprop and OF_getprop_alloc 2018-04-09 22:06:16 +00:00
arm hwpmc: simplify calling convention for hwpmc interrupt handling 2018-06-08 04:58:03 +00:00
at91 ifnet: Replace if_addr_lock rwlock with epoch + mutex 2018-05-18 20:13:34 +00:00
broadcom/bcm2835 Unbreak RaspberryPi 2 boot after r332839 2018-05-02 20:04:25 +00:00
cavium/cns11xx ifnet: Replace if_addr_lock rwlock with epoch + mutex 2018-05-18 20:13:34 +00:00
cloudabi32 Correct some more places where TO_PTR() should be used. 2017-11-26 14:53:56 +00:00
conf Since we don't enable BUF_TRACKING and FULL_BUF_TRACKING buffer debugging 2018-06-05 05:24:42 +00:00
freescale Properly support the GPIO_PIN_PRESET_{LOW,HIGH} options when configuring 2018-05-04 19:28:05 +00:00
include Allow us to read the physmap data into our own array and use this to build 2018-05-24 15:32:49 +00:00
mv Fix SoC identification issue on Marvell platforms 2018-05-03 01:10:41 +00:00
nvidia Align OF_getencprop_alloc API with OF_getencprop and OF_getprop_alloc 2018-04-09 22:06:16 +00:00
qemu Revert r327250 as it broke the build for some armv6 kernel and all armv4/5 2017-12-28 07:31:14 +00:00
ralink ifnet: Replace if_addr_lock rwlock with epoch + mutex 2018-05-18 20:13:34 +00:00
rockchip dwmmc: Fully subclass driver 2017-12-30 22:01:17 +00:00
samsung/exynos arm: Fix duplicate ehci DRIVER_MODULE 2018-04-27 21:05:58 +00:00
ti ifnet: Replace if_addr_lock rwlock with epoch + mutex 2018-05-18 20:13:34 +00:00
versatile Revert r327250 as it broke the build for some armv6 kernel and all armv4/5 2017-12-28 07:31:14 +00:00
xilinx arm: Fix duplicate ehci DRIVER_MODULE 2018-04-27 21:05:58 +00:00
xscale ifnet: Replace if_addr_lock rwlock with epoch + mutex 2018-05-18 20:13:34 +00:00